Service Manual MCO-18AIC
Contents
1. EF iE I HU jj n EE Ac3Bv C c ENS EEI El A m RTI m E EEE 5 5585 emus pom ui ow v j m oe du 5 F l o 2 I 81 gu L el e 5 mo Pm gt el os os I ri wes A138 HDSN3S 50 8 BA Auqa 18 M3gNvHa3 QL 3A TTYA ZH ZD Ir a NENNEN i VEL TY HSENYHJ 1 aawa 209 Bp AFF Lj PEN tha E QN 2 Li 3 diia BA ANS F ABE dA d Iv E Age t t Diagram Ir cul C 1 Components on PCB HEAT 22 MM hat OPIS m d T33 JI3z _ uv DP102 OOO RH PAN 5 EF103 5 QVER HE 5 VER HEAT 2 22 rin Bal OPAL S4 5 256 I e 18 0102 Ju VET ida 9 5 5 A sida 5 au wi L ser BUZZER in Ru D ea T JIB5 58 Jeg 1 z xo _ RI9 5 _ A50 JI58 alia A T e H 7 a 5107 m m m lt pr 52. Input F15 on temperature display and press ENT key to display an adjustment value on CO display for temperature zero point If you press ENT key or leave the device for 90seconds automatically returns to PV display In 37 0 is displayed on the control panel and actual temperature is 37 8 if you perform temperature calibration actual temperature 37 8 is input 0 8 would be housed in F15 In Function Mode input F15 and press ENT key to display the value on CO display Set serial communication ID initial 000 Input F21 on temperature display and press ENT key to show 000 on display Then input the value that identifies the product serial communication ID Number and press ENT key to set serial communication ID The range is 000 255 000 communication OFF Set serial communication mode initial 000 Input F22 on temperature display and press ENT key to show 000 on CO2 display Then change the 3 digit to set the communication mode Control mode the 3 digit 0 Local initial 1 Remote 0 2400bps 1 4800bps 2 9600bps Baud rate the 2 digit Interlock the remote alarm with buzzer initial 000 Input F24 on temperature display and press ENT key to show 000 001 on CO display Then change the 1 digit to 000 to set the interlock mode 000 Buzzer Remote alarm not interlocked 001 Buzzer Remote alarm interlocked F14 Direction for use F15 lt Direct
3. 18 UV lamp malfunction UV lamp is optionally provided When the time to turn the UV lamp on F01 is set the microcomputer checks the output voltage in UV detect circuit that is detected 30seconds after the door was opened 4 shut If the detected voltage is 0 2V or lower it is judged as UV lamp malfunction E18 and internal temperature are displayed alternately at the time the buzzer sounds intermittently Press BZ key to cancel the error High temperature alarm When the internal temperature is out of SV OVERHEAT lamp illuminates displaying PV with E12 main heater malfunction or E16 SSR for each heater is open circuit alternately The buzzer sounds intermittently It is impossible to stop the buzzer sounding by BUZZER key At the time heaters main heater bottom heater and door heater will be OFF Automatic temperature alarm When the internal temperature is 1 0 out of SV all digits in temperature display blink and intermittent buzzer sounds with 15minutes delay Automatic level alarm When the internal CO level is 1 0 out of SV all digits in display blink and intermittent buzzer sounds with 15 minutes delay CO Auto Zero adjustment calibration See details in Auto Zero adjustment Page 26 In PV display keep pressing gt gt key shift key over 5 seconds to enter key lock mode display will change to LO Press key to set 1 Key lock ON Press key to set O
4. Key lock OFF Press SET to memorize the set then automatically returns to PV display In Key Lock ON the device can enter into SET mode to check SV however the value cannot be changed The device also cannot enter into Function mode When the door is opened DOOR lamp illuminates When the door is closed DOOR lamp goes off When the door is opened fan motor turns off valve shuts off UV lamp turns off if it is optionally fitted If the door left opened for 60seconds the heater turns off In setting mode Key Lock mode and Function mode if any key is not operated for 90 seconds or more the display automatically returns to PV without storing the value to be changed In PV display press CAL key for approx 5seconds to enter the device into temperature calibration mode Input a proper value with HR key gt gt key then press ENT key to store the value Finally the device returns to PV display Key lock function Note Lock mode Door alarm Display Safety operation Auto return Function Calibration Temperature calibration CO calibration n PV display press CAL key for approx 5seconds to enter the device into temperature calibration mode then press CAL key again to enter the device into calibration mode Input a proper value with Al key and gt gt then press ENT key to recognize and store a span calibrated value Finally the device returns to PV display a span
5. Stacking base for stacking MCO 18AIC 17AIC 17AC 15AC on MCO 175 175M 1 Remove four clips on the top of lower unit 2 Fasten four screws A tentatively from where the clips were remove 3 Set the OStacking base and fix with screws tentatively fastened 4 Stick the Protective sticker on the OStacking base as shown in Fig 1 5 case of stack MCO 18AIC 5 11 Put the upper unit on it Fix the upper unit with Front fixing plate GRear fixing plate ORear fixing plate R and MRear fixing plate L are not used In case of stack MCO 17AIC 17AC 15AC 5 17 Put the upper unit on it Fix the upper unit with Front fixing plate Rear fixing plate R and Rear fixing plate L S Rear fixing plate is not used 6 Check the both units are level G Rear fixing plate R or Rear fixing plate for TTAICHTACHSAC 1 G Rear fring piate for 18A 2 G Poedwesike f2 FningscrewA aT G BT TFB 6 P104 041 000 MCO 21SB Setting Procedure Stacking base for stacking MCO 18AIC 17AIC 17AC 15AC on MCO 20AIC 1 Stick the Buffer rubber at each corner on the bottom of OStacking base Stick the Protective sticker on the OStacking base as shown in Fig 1 Attach the Base mounting plate onto the top of MCO 20AIC by using Fixing screw Remove 2 hooks on the rear side of MCO 20AIC Fix the OStacking base onto t
6. m cy Connection on PCB The following shows connections of connector CN on main PCB Power transformer To supply the power to PCB Between 1 2 AC8 5V To supply the power AC36V for Auto 3 GND zero air pump 4 and 5 AC18V Power supply cna Between 1 2 GND DC5V To supply the power to PCB 212 Overheat protect sensor To measure the temperature of each 3 4 Temperature sensor 5 6 box temp sensor pans Switch display PCB CN101 1 2 CO valve 723 844 CO auto changer valve option Er Remote alarm output CN10 1 2 Open during normal operation Output of remote alarm contact CN11 Communication board option 821 82 Auto zero air pump CN12 3 4 Air pump hinge sub heater CN15 To check water level in humidify pan The following shows connections of connector CN on power PCB CN301 Main PCB CN1 CN2 CN3 CN4 CN6 CN8 N9 1 Heater for heat control 5pcs CN302 3 Bottom heater 4pcs To control heater 5 Front panel heater Door heater 2pcs C303 1 A B heater To control the sensor BOX temperature 823 Agitating fan motor To control the pump for circulation 1 gas circuit Auto Zero air pump 25mm Cap tube Filter Air pump 25mm Solenoid Cap tube valve ia sensor T connector Filter u Sample port Gas supplied front lt Back view gt Prevention of contamination
7. SANYO FILE No Service Manual Incubator MCO 18AIC En um noo OOS 8060 SM9910023 Contents Page mollem LE EE 1 de u u u praebe Ide UD IM 2 P ertormarce SPECICATION mu kaa Vor t RC qs 3 Eom 4 T T u a aa a 5 6 1660681 7 Temperate 601311011 8 920310151811010 TETTE TTE 9 10 19 Winnog ODE 20 sio Kc E 21 amp ON SS 22 GONMECHOMN ON PO E UU UIT 23 TERR aah we a 24 Prevention ol ColntarBIiBgli i uu u u idi e btw re aun tubos d e uwa Qan 25 PAULO Zero Adusien uuu um D E 26 7 Specifications OF artc tu emat 28 9 29 31 MCO 18UVS installation procedure eta rau data Ra eee eee be bate 32 35 Mounting procedure of 21 36 39 How to replace water level sensor 40 MGO TSPS 666 1166 41 42 MCO 18SB Setting procedur
8. In Auto Zero zero adjustment for sensor is automatically performed based in ambient air Auto Zero is performed per every 10minutes in 1 hour when the main power is supplied after that it is performed per every 4hours F05 lt Direction for use gt F06 lt Direction for use gt lt Direction for use gt F08 Direction for Auto Changer mode setting in the 3 digit on CO display use Input F08 on temperature display and press ENT key to show a current SV in the 3 digit on CO display The value 0 is the normal mode Auto Changer is inoperative the value 1 is Auto Changer is operative Demonstration mode setting in the 2 digit on display Input F08 on temperature display and press ENT key to show a current SV in the 2 digit on display The value 0 is the normal mode Auto Zero is operative the value 1 is Demonstration mode is operative Change the Qn digit to a desired digit and press ENT key to return to PV display Auto Zero setting in the 1 digit on display Input F08 on temperature display and press ENT key to show a current SV in the 1 digit on CO display The value 0 is the normal mode Auto Zero is operative the value 1 is Auto Zero is inoperative Change the 1 digit to a desired digit and press ENT key to return to PV display Display the temperature sensor box Input FO9 on temperature display
9. initial O30 F30 Display ROM version Direction for use PV display press CAL key for 5seconds or more to enter the device into temperature calibration mode Input a desired function code with hn key and IP key then press ENT key F01 Time length of UV lamp illuminating is set initial range 0 30min Note UV lamp is optionally provided Direction Input F01 on the temperature display then press ENT key to show a present SV for use on the CO display Input the desired value with H key and gt key then press ENT key to store the value Finally returns to PV value out of the range is input then ENT key is pressed the buzzer beeps for a second continuously to keep the previous set lt Action gt After the door is opened and shut UV lamp illuminates in appointed time then automatically goes off There is approx 3 5seconds delay to active the mode due the device would check water level in the humidify pan just after the door shut With UV lamp illuminating the lamp goes off if the door is opened F02 UV lamp 24hours sterilization mode set Note UV lamp is optionally provided Direction Input F02 on temperature display to show 000 on CO display foruse Input 001 with H key and pp key to enter the device into 24hours sterilization mode At the time press ENT key displaying with 001 to simply return to PV display Action When 24hours sterilization mode is set in F02 UV lamp starts ill
10. short circuit When the micro computer detects an internal temperature as 0 C or lower it is judged as open circuit displaying alternately E05 with PV and sounding intermittent buzzer When the micro computer detects an internal temperature as 60 or higher it is judged as short circuit displaying alternately E05 with PV and sounding intermittent buzzer In E05 and E06 displayed PV is different from product s actual temperature CO box temp sensor malfunction open short circuit See E05 E06 in details Note In E07 and E08 CO valve is closed Ambient temperature sensor malfunction open short circuit See E05 E06 in details sensor output voltage is abnormal When sensor box temperature is stable and high or low temperature alarm is not occurred it is judged as sensor malfunction if output voltage is lower than 1000mV or higher than 4800mV E11 and internal temperature are displayed alternately and buzzer sounds intermittently At the time valve is closed Main heater is abnormal When high temperature alarm is activated when the main heater is open circuit and when the main heater SSR is short circuit E12 and an internal temperature are displayed alternately and buzzer sounds intermittently An error is not displayed just after failed because the self diagnosis for SSR and heater failure is done only in every 40min or in the power supplied Abo
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12. 5 FG TP BACK HEATER rE E T J 15 gt Al 50Hz Y oom ise SB esh m y gt nt E za lt lt C7 p d FREQUENCY SIDE HEATER D Z N CHANGE SWITCH Ma L 5 5 5 O ol T 8 ES Fo m ME BL cC 7 ONLY BADA OPTION 37737 E SIDE HEATER L z Mi g 0 B B B B B B B B BT Y BL FLANGE HEATER 227 3 d ai 5 CNle GY BL BOTTOM SIDE HEATER oy A RRAN 5 BOTTOM SIDE HEATER L Qo v 5 gt ks C es T o8 OVER HEAT BOTTOM FRONT HEATER fF ee e ae RLY3 PROTECT RELAY ne II L C LJ RLY2 UY LAMP RELAY Y e ass o REMOTE ALARM Uv5v7 9uv eee RELAY Y BL 5 O m W 5 ARERI E FRONT PANEL HEATER D gt ih OUO o PWB Y at O Y BL DIT BIMETAL DOOR i f _ THERMO HEATER LI W Ww 2 S zz M MAIN coe 6002 L BL alam RLY301 z HEATER A HEATER B 5 5 FAN MOTOR RELAY aJ CIS i 2 2 002 98 8 a 2 gt 7 sx T Q 8 D EST 855 5 ana n AGITATING lt o Osmo FAN MOTOR G m s uy o CNS 87T82rvt 5 o iX e ola
13. ENT key to show UV lamp used foruse time a period to turn UV lamp on by unit of 96 Description microcomputer calculates UV lamp whole life span as 1000hours A period to turn UV lamp on is displayed in the unit of 96 For example the period less than 5minutes is considered as 5minutes the period of 6 30minutes is simply counted as they are In 24hours mode simply 24hours is added just after 001 is input and ENT key is pressed in F02 ignored with the cancel for 24hours mode caused by the door is opened in the middle The added value is stored in the non volatile memory in every 24hours Display the added value in F04 then display 000 on CO display with H key and key and press ENT key to clear the value The display range is 0 2609 A value over than 260 is not added If the added period is over than 1000hours UV indicator on the control panel flashes to inform UV lamp run down The run down is provided by the microcomputer s calculation it does not mean the actual time to be UV lamp run down UV lamp life span UV indicator on the control panel UV lamp ON UV lamp OFF 1000hours or less Illuminates 1000hours or more Illuminates Display the voltage sensor converter voltage in microcomputer the main PCB Input F05 on temperature display and press ENT key to show the voltage in sensor on display Press ENT key to be Auto Zero forcibly performed within a mi
14. adjustment If CO level is lower than 0 9 or higher than 20 on the display or if a value to calibrate is higher than 2 0 the buzzer beeps to cancel the data input then automatically returns to PV display During Auto Zero adjustment the decimal point of the 2 digit is blinking on CO display calibration cannot be performed 10 Function mode FOO Simply pass through F01 Time length of UV lamp illuminating is changed initial 000 UV lamp is optionally provided F02 UV lamp 24hours sterilization mode set UV lamp is optionally provided F03 Service code input code 384 F04 UV lamp life span check UV lamp is optionally provided F05 Display the voltage CO sensor F06 Change the output ratio of bottom heater initial 12 F07 Change the output ratio of door heater initial 4 F08 Auto changer DEMO mode Auto Zero mode set initial 000 F09 Display a temperature in sensor box F10 Display a coefficient of adjustment value for zero point F11 Display a coefficient of adjustment value for span point F12 Display the temperature in ambient temperature sensor F13 lnitialize non volatile memory F14 LEDs and drivers performance check F15 Display a value to adjust zero point in temperature initial 008 F21 Communication device address ID set initial 000 F22 Communication parameter set initial 000 F24 Interlock the remote alarm with buzzer initial 000 F25 Ring Back time set
15. and press ENT key to show the temperature in sensor box If you press ENT key or leave for 90seconds automatically returns to PV display In SV is 45 C valve turns OFF when the temperature is out of SV 2 0 C Once the temperature retrieves in SV 2 0 C Auto Zero is forcibly executed since the apparatus falls into the condition that the main power is supplied When is not injected the temperature in sensor box may be out of 2 0 C or it may be within 6Ominutes after the main power is supplied or Auto Zero may be being executed Display a coefficient of adjustment value for zero point initial 500 Input F10 on temperature display and press ENT key to display a coefficient of adjustment value for CO zero point on CO display If you press ENT key or leave the device for 90seconds automatically returns to PV display The condition is that sensor voltage should be adjusted in 4 0V when internal level is 0 Perform Auto Zero and ensure the sensor output voltage should be approx 4 0V when ambient air is got properly by the pump At that time the value should be approx 500 If CO in the ambient air is several 96 the value would be lower than 500 since CO sensor output voltage is lower than 4 0V CO sensor output voltage during Auto Zero pump performs 4 0V x 5000 Only bigger three digits are displayed e g 5000 displayed as 500 Display a coefficient
16. just before Auto Zero performed is flashing The CO density SV is changeable CO indication Flashing NOTE If CO density is set at 0 indication shows nothing so the decimal point also cannot be seen 4 Auto zero adjusting method Auto zero adjustment is carried out by adding a quarter of difference between each measurement so as not to change the density rapidly Ex 0 0 1 0 CO density The added value is 0 25 ours 5 Auto zero adjustment OFF setting Auto zero adjustment can be set OFF in F08 In case Auto Zero adjustment is not performed you should observe CO density that changing as time goes by CO qas density calibration and Auto Zero adjustment MCO 18AIC provides both the manual gas density calibration and the automatic Auto Zero adjustment 1 gas density calibration When either the density SV or the display value is not match with the actual value calibrate gas density according with CO calibration Page 9 to input the actual value again 2 Auto Zero adjustment Refer to Auto Zero adjustment 3 The relation the CO gas density calibration with the Auto Zero adjustment The description is as follow Ex density 596 Ideal line for the set value and the actual value fact it could not straight line due to the characteristics of the pu sensor 8 Point calibrated by gas density calib
17. lamp ON time is settable between 0 to 30 minutes 000 to 030 The UV lamp is not turned ON if the setting is 000 The UV lamp is turned off when the outer door is opened while the lamp is on The lamp is turned on for pre set duration after the outer door is closed The condensation in the chamber can be caused and or the chamber temperature distribution can be affected due to the heat from UV lamp when the setting of UV lamp ON time is longer than 5 minutes or the only the outer door is opened closed repeatedly In such case the life of UV lamp is shortened In the procedure 2 above pressing CAL key for 5 seconds causes the calibration mode In this mode it is possible to calibrate the temperature and CO density and miss operation of the key may affect the basic performance of the unit Take care of the key operation Even if the key is operated wrongly the unit returns to the current value display mode automatically when no key is operated for 90 seconds In this case the setting not entered by pressing ENT key is not effective 12 Check that the UV lamp is turned on Check the UV lamp is turned on by the following procedure Open the outer door push the switch with the inner door is closed Check that the UV indicator on the control panel is on after a few seconds Check the visible blue light from the front side of the humidifying pan cover Check the light with the inner door closed
18. left digit figure to 1 Press CAL key for 5 seconds means 0 NOTE Don t change center digit figure and right digit figure 11 Press ENT key Setting of MCO 21GC is finished ENT The current chamber temperature is displayed gas supply line indicator is lighted Procedure for automatic gas switching operation check When the installation of MCO 21GC is completed check the automatic gas switching operation according to the following to the following procedures Le aR TIT TYE OT Stop gas supply of cylinder use cylinder only for gas supply on the power switch of MCO 20AIC 18AIC and set 3 decC and 0 I on CO gas supply line indicator with CO gas supply line switching key Wait for 1 hour approx until the machine can control the CO density It takes about 1 hour from turning on the power switch until CO control is enabled Set CO density 5 and check the inject lamp turns on NOTE In case of low ambient temperature it may take more than 1 hour until the machine can control CO density and the CO inject lamp turns on o Check the 1 gas cylinder empty alarm and buzzer turn on about 2 minutes later from the CO inject lamp s turning on stably NOTE CO density control is interrupted when automatic calibration of sensor Check the CO gas density indicator reaches to the set value 5 and keep
19. using 9 Fix tubes securely using and 2 as shown in Fig 4 10 Replace the rear cover Rear cover Fig 2 NOTE Every tubes should be connected surely to prevent CO leakage CO valve B N Z C G y N z k gas su pply line lt cap yellow MA 2 fay uA CO gas 7 supply line B Fia 3 Fig 4 Setting procedure of Control panel When use MCO 21GC the automatic cylinder changer system it is necessary to set the MCO 20AIC 18AIC automatic gas switching mode according to the following procedures Description of operation Key Indication after operation operated 1 Turn the power switch ON The current chamber temperature is displayed 2 Press CAL key for 5 seconds The left digit in the temperature indicator is CAL flashed 3 By pressing ppkey and 4 key F03 set the figure to 4 Press key density indicator 000 is displayed and the right digit is flashed 5 By pressing PP key and amp key wa Press ENT key The current chamber temperature is displayed ENT The left digit in the temperature indicator is CAL flashed By pressing key and 4 key ii set the figure to F08 a Press ENT key CO density indicator d ENT is displayed and the right digit is flashed 7 10 By pressing key 2 set only the
20. Never look at the UV light directly 7FB6P104035003 Mounting Procedure of MCO 21GC Automatic cylinder changer for MCO 20AIC 18AIC Parts list CO valve assy EN 3 connecting port for amp 3 Q tube band S CO gas pipe Q nut 7 screw spring washer tube 2 y pipe assy tube band L CTD 0 tube L100 Used for MCO 18AIC ONLY Before mounting This kit is applicable to both MCO 20AIC and MCO 18A IC Following procedure is necessary only when mounting to 18 1 Remove the tube band on the valve assy and then remove the hose and capillary 2 Attach the tube L100 9 and fix the tube by the tube band removed in procedure 1 Make sure the tube band is fixed firmly to prevent gas leakage L LA D CO valve assy tube band tube L100 6 4 Fix the edge the Remove the tube and tube band capillary Fig 1 Mounting procedure 1 Disconnect the power cable and make sure that the unit is not supplied with the power 2 Remove the rear cover by unscrewing the 6 fixing screws 3 Fix by using the enclosed screws 9 4 Remove cap and fix with and 5 Connect the wiring harness of CO valve B to wiring harness from CN9 on Main board 6 Disconnect upper tube of CO valve A Connect CO valve A and CO valve B and tube X by using as shown in Fig 4 7 Connect bottom tube of to 8 Connect with CO gas supply line B by
21. Stacking plate Protective sticker lt When stacking of combination as shown in Fig 2 gt lt MCO 17AIC MCO 17AIC MCO 17AC MCO 18AIC MCO 17AC p MCO 15AC MCO 17AIC MCO 17AIC MCO 18AIC MCO 17AC MCO 17AC MCO 15AC MCO 15AC Fig 2 1 Turn off the power switch and disconnect a plug of each unit 2 Check that the lower unit is level 3 Apply the protective sticker enclosed in this kit at each corner on the top of the lower unit to avoid scratches or damage 4 Stack the unit so that both units can be aligned straight Also check the upper unit is level If it is not level keep the unit even by adjusting the leveling legs un Remove 2 hooks on the rear side of the lower unit by unscrewing each 2 fixing screws eo Remove 1 screw on the bottom right and left on the rear side of the upper unit only MCO 18AIC N Fix the stacking plate B at the right and left on the rear of the lower and upper unit with 3 screws removed in step 5 and enclosed in this kit 8 Fix the stacked unit to the wall with 2 hooks on the rear of the upper unit and rope or chain X Stacking plate A is not used Stacking plate B Protective m sticker aS NWARNING Select a level and sturdy floor having enough strength for installation of stacked module Never stack 3 or more units Take care not to drop or tip over the unit when stacking as this can cause injury or damage of the unit 7FB6P104038000 MCO 18SB Setting Procedure
22. d CO are flashing and buzzer sounds Alarm system intermittently after 15 min Independent alarm for overheat Door lamp When outer door is opened Door switch Inside fan OFF valve OFF UV lamp OFF and heater OFF only when door is kept opening for 1 min or more When an alarm is triggered Remote alarm Remote alarm ON Alarm and buzzer are interlocked Contact output rating of contact 30VDC 2A Error code and internal temperature are displayed alternately Self diagnosis function Buzzer and remote alarm contact ON Automatic ON OFF control changeable with Function mode 1 Interlocked with the door UV lamp control UV lamp ON for 5 min after every door closed 2 OFF mode UV lamp does not turn on UV lamp is optionally provided CO gas inlet Glow starter Option Power cable Power cable Sample Power switch Remote alarm terminal 2 7 7 7 7 z 7 2 2 2 7 2 am TL J Ss 11000 5 8 1000 1 SS k Humidity pan 6 35 4 4 LL um 8 Water level Option Sensor Electrica parts Optionally provided for MCO 18AIC UV MCO 18AIC AC110 120v 60Hz _AC220v 60Hz AC220 240v 50Hz BOX temp sensor Overheat protect 103AT 1 sensor CO BOX t
23. data in non volatile memory FOO lt Direction for use gt F10 lt Direction for use gt lt Description gt lt Calculation gt Note F11 lt Direction for use gt lt Description gt F12 lt Direction for use gt Note F13 lt Direction for use gt Followings are initial values in non volatile memory Internal temperature SV 37 0 CO level SV 0 096 Balance value of humidifying heater F06 12 Balance value of door heater F07 4 CO zero adjustment data F10 5000 span 11 5000 Internal temperature zero adjustment 15 008 Key Lock data Key Lock OFF Auto Changer data the 3 digit F08 Demo Mode data the 2 digit in F08 Demo Mode OFF Auto Zero the 1 digit in F08 Auto Zero ON Input F13 on temperature display and press ENT key to display 000 on CO display then change the 1 digit to 2 and press ENT key to initialize zero adjustment data and CO span data in non volatile memory Note Service code should not be initialized Auto Changer OFF Check the performance for LED drivers Input F14 on temperature display and press ENT key to perform with lamp and the all digits flashing at every 0 5seconds intervals Press ENT key to stop performance If there is no key operation for approx 90seconds automatically comes to end Display an adjustment value for temperature zero point initial 0 8
24. density display is less than 2 0 an error tone will be emitted and the input data will be ignored and the display will revert to the present temperature S CO calibration should be done after CO density measuring was done at least three times after checked that there is no error of measurement S This unit has auto zero adjustment function It is necessary to check that the room installed the unit is not filled with gas If the unit is installed in smaller room be sure to change the room air timely Please request to your customers S calibration should be done in consideration of the difference for CO density meter Key and switch When an alarm LED is flashing and the buzzer sounds Buzzer and remote alarm output Force to turn off When an alarm lamp flashing and the buzzer does not sound buzzer remains OFF Press once to enter the device into setting mode Press twice to enter the device into CO level setting mode Press third times to enter the device into over heat protection temperature check mode Press four times to return the device to internal temperature PV display In the setting mode the device can be shifted the 2 digit lt gt the 1 digit lt the 1 decimal place In PV display keep the key pressing 5 seconds or more to enter the key lock mode In the setting mode the blinking digit counts up In PV display keep the key pressing approximately 5 seconds to enter the device into th
25. e 43 NICO 2 SB Setting 616680 018 uu c ei iss nc aus 44 Instruction manual 45 Effective models This service manual is effective following models Model name MCO 18AIC 823 279 56 230V 50Hz XE 1 PID control with micro computer This unit has PID control Proportional Integrate Differential accurate controls internal temperature as well as air sensor system monitoring internal temperature 2 Infrared sensor installed Infrared CO sensor is not affected by humidity 3 UV sterilization system Option Water and the circulating chamber air in the humidifying pan are sterilized by UV lamp Optional setting of light mode is available 4 Rounded Ball corners Inside chamber wall made by stainless steel and its corner made rounded type This made cleaning easier and de contamination 5 Reduce contamination Inside chamber material is made by anti bacteria SUS Appearance and durability are almost same with ordinary SUS Anti bacteria SUS has effect same as copper alloyed except for humidity pan 6 Expandability Module concept The control circuit is adopted commonly with MCO 20AIC 7 Options 1 Castor with adjustor roller base MCO 18RB 2 gas tank switcher a
26. e calibration mode press again to enter the device into the calibration mode When the CO setting value SV is 0 the device goes into PV display instead of the calibration mode In the temperature calibration mode input FXX with H key and then press ENT key to enter the device into the function mode to obtain information of each mode During Auto Zero adjustment the decimal point of indicator is flashing the 002 calibration will not be performed with beeping the buzzer for a second continuously even if ENT key is pressed During setting mode CAL mode and Function mode press the key to store the value The function is not valid for the unchangeable values The key is available only in optionally Auto changer mode in F08 In Auto changer mode press the key to switch the cylinder in use to another one Lighting A or B indicates as the cylinder in current use If the Auto changer mode is not installed the cylinder switcher lamp does not activate When the cylinder in use is emptied automatically switches to another one At the time the lamp of cylinder emptied will blink and the lamp of another one will illuminate Ex When the cylinder in current used is emptied the lamp cylinder switches to blink and then the lamp cylinder B will illuminate BZ SET CAL Note ENT A B Temperature control Setting range 0 C 50 C Display range 0 99 9 Setting method Press the SET
27. emperature is recovered to 36 5 C after door opened for 30 seconds CO level range 0 20 CO level distribution range 0 15 10 minutes less CO level recovery period until the level is recovered to 4 5 after door opened for 30 seconds Internal humidity 95 5 RH Internal humidity recovery ne red anod until the internal humidity is recovered to 90 RH after door 0 opened for 30 seconds Supplied gas pressure 0 03MpaG 0 3kg cm G when the gas supplied Power supply Single phase local voltage Total power consumption 310W Total current 110 120VAC Maximum 2 8A 220 240VAC Maximum 1 4A Quantity of radiation Maximum 1120kJ h Test condition Set point 37 CO set point 5 0 No load Ambient temperature 20 Ambient humidity 45 x Based on the measuring method on validation service manual control specification I Heating method Direct Heat Air jacket Temperature control WEN Sensor temperature sensor 103AT 1 y Detect and control the inside temperature directly Temperature indication Digital display resolution 0 1 C measuring system Infrared sensor PID control CO level indication Digital display resolution 0 1 T Natural vaporization by water in humidify pan V m Humidify pan W293 x D407 x H41mm Inside air circulation Breeze circulation High low temperature alarm high low CO level alarm Both display for temperature an
28. eturn port of Sampling gas for sensor MCO 18UVS Installation Procedure 5 1 UV label 61 UV caution label 21 UV door switch caution label 1 Name plate 1 ballast amp glow assy r 1Patentlabel 4 Take out two insulations for the UV lamp lead wire hole shown in Fig 3 The insulation can be taken out easily by pushing it from inside of the chamber Keep the insulation for the future use again Insulation Fig 3 5 Set the UV lamp to the hole and make sure to be fitted properly Fix the UV lamp cover with 2 screws enclosed in this kit LA n ae D UV lamp 3 Screw em 2 UV lamp cover Fig 4 Kit of MCO 18UVS D 1 UV lamp 21 UV lamp cover GAP S S 36 screws M 4 Procedure 1 Unplug the unit and make sure that power is not supplied to the unit 2 Remove the duct from inside the unit then take off 2 caps and 2 screws shown in Fig 1 Screw Rear cover 6 the duct Place the humidifying tray 8 Remove a cap shown in Fig 7 then cover the tray with the humidifying tray By using 4 screws enclosed with this kit cover as shown in Fig 5 fix the ballast glow assy as shown in Fig 7 Humidifying tray cover lt 7 Replace the insulation into the UV lamp lead wire hole with the wire passed through the cut on the insulation See Fig 6 UV lamp lead wire Fig 6 9 Connect each lead wire co
29. f MCO 18PS 8 ze gt gt ES lt gt 52 02 Stacking plate B 22 Stacking plate 24 Protective sticker 4 Screws Procedure lt When stacking 2 units of MCO 18AIC gt 1 Turn off the power switch and disconnect plug of each unit 2 Check that the lower unit is level 3 Apply the protective sticker enclosed in this kit at each corner on the top of the lower unit to avoid scratches or damage 4 Fix the stacking plate A at 2 locations on the top front of the lower unit by using 2 screws enclosed in this kit 5 Remove the front panel on the upper unit by unscrewing the 4 fixing screws and then disconnect the wires and gas tube 6 Stack the unit so that both units can be aligned straight Also check the upper unit is level If it is not level keep the unit even by adjusting the leveling legs 7 Secure the upper unit with the stacking plate A and 2 screws enclosed in this kit 8 Remove 2 hooks on the rear side of the lower unit by unscrewing each 2 fixing screws 9 Remove 1 screw on the bottom right and left on the rear side of the upper unit 10 Fix the stacking plate B at the right and left on the rear of the lower and upper unit with 3 screws removed in step 8 and 9 11 Replace the front panel on the upper unit after connecting the wires and gas tube 12 Fix the stacked unit to the wall with 2 hooks on the rear of the upper unit and rope or chain Front panel TN sZ Stacking plate B
30. he top of MCO 20AIC by using S Fixing screw and 2 screws removed in step 3 5 In case of stack MCO 18AIC Put the upper unit on it Fix the upper unit with Front fixing plate Rear fixing plate Rear fixing plate R and Rear fixing plate L are not used In case of stack MCO 17AIC 17AC 15AC Put the upper unit on it Fix the upper unit with Front fixing plate Rear fixing plate R and Rear fixing plate L amp Rear fixing plate is not used 6 Check the both units are level SS Front fixing plate A LO Bearing ia io ener 7 Protective sticker 10 7FB 6 P104 040 00 0
31. hermal fuse 250VAC 7A TO Coff MV 10B MV 10B 220 240V Transformer for PCB Side heater Rating right amp left front amp back Left amp right Rating Rating right amp left Type Rating 250VAC 10A 250VAC 10A 250 10 DC 5V power supply a kum ER ee De OLS 1008085 X 0153 10035 OLS 1008 Ballast Rating 115V 60OHz 220V 60Hz 230V 50Hz Note When key lock mode is calibration mode is disabled 1 Press key for approx 5 seconds 2 The top the 3 digit of temperature display is flashing other digits will go off 3 Set the present correct temperature with key key Press key 4 The display will automatically revert to the present temperature A OOS m Example If the internal temperature display shows 37 0 C the set value and the actual measured value is 36 8 Press key for approx 5 seconds 2 The 3 top digit of temperature display is flashing other digits will go off Set the displayed value at 36 8 C of the actual measured value with PP key and 2 key then press key The display will automatically revert to the present temperature Note sln temperature calibration it is important to accurately measure the internal temperature Particularly for the thermometer used its grade of accuracy should be than 0 5 class The measure should be carried out at the cente
32. ion for use gt Ex F21 lt Direction for use gt 22 lt Direction for use gt F24 lt Direction for use gt F25 Ring Back time set initial 030 30min the range 0 60 Direction for Input F25 on temperature display and press ENT key to set current Ring use Back delay time Change the 2 digit to set delay time in the range of 0 60min Note Ring Back time set F25 000 means BZ would not comeback in former spec F30 Display the ROM version Direction for Input F30 on temperature display and press ENT key to show current ROM use version on CO display Bottom heater control In order to shorten the recovery time of humidity conduct electricity to humidity heater as follows e Inthe ordinary the maximum electricity conduct to bottom heater should be in the ratio of 80 e When the internal temperature is SV 0 4 0 6deg conduct 80 electricity to humidify heater for 10minutes max SV in F06 is applied except for above temperature e 80 electricity conduct should not be performed in the following cases 1 The period until an internal temperature reaches to SV 0 2deg after the power is supplied 2 The period until an internal temperature reaches to SV 0 2deg after the door is left opened continuously for 0 or more Door heater control Ordinarily conduct electricity to door heater in the same ratio with main heater SV in 07 is applied Remote alarm remote ala
33. it is activated and the decimal point of density indicator blinks Turn off E01 display with the buzzer key and select cylinder A with CO gas supply line switching key 7 All the procedure are completed Shut down the CO supply of cylinder A and cylinder B Turn off the main power switch Refer to the MCO 20AIC 18AIC instruction manual for usage of MCO 21GC 7FB6P104036000 HOW TO REPLACE WATER LEVEL SENSOR 1 Unplug the unit and check that power is not supplied to the unit then take the rear cover off 2 Unfasten the connectors for lead wire and take out the insulation for the lead wire hole Water level sensor lead wire connector Insulation for the lead wire hole 3 out the duct from inside 4 Unfasten the 2 screws to remove unit of water level sensor and installation grommets for water level sensor 5 replace water level sensor Be sure to set the water level sensor to the right direction 6 Place back the water level sensor Water sensor installation grommet as before Place back the insulation material to the hole for the lead wire Be careful for the length of lead wire for water level sensor inside the unit Length is connect 2 binder is located where it touches Water level sensor Installation grommet Water level sensor the water level sensor grommet Fig 2 refer to Fig 3 3 Put the rear cover in place Water level Sensor grommet MCO 18PS Installation Procedure Kit o
34. key Change to the desired value with H key and gt then press the ENT key The value will be stored and then the device shifts to setting mode Out of the range When a value is set out of the range and ENT key is pressed buzzer sounds 1 second continuously and the previous value is still remained PID control When PV is SV 1 C or higher the display digit blinks After 15 minutes later buzzer sounds and remote output turns ON Control Alarm Control specification 1 control Setting range 0 20 Display range 0 99 9 Setting method Press SET key twice Change to the desired value with HR key and gt gt key then press ENT key to store the value Then the device shifts to the Overheat protection temperature check mode Out of the range When a value is set out of the range and ENT key is pressed buzzer sounds 1 second continuously and the previous value is still remained Control PID Control Control OFF When a value is set in 0 0 CO display will be disappeared to be the Control OFF Alarm When the internal level deviates SV 1 or higher display blinks After the 15mininutes later buzzer sounds and remote alarm terminal turns ON Overheat protection temperature check mode Setting range 395 C 5T C Setting method Press SET key for three times to display the overheat protection temperature on PV display and HI on CO display Pre
35. lll In servicing for incubator it is important to prevent from contamination 1 than 90 of contamination in CO incubator is caused by mold Mold is a kind of true fungi it has high increasing power under high temperature and high humidity Accordingly it is easy for mold to increase inside incubator Those increased mold eat up culture mainly animal cell eventually precious test sample will be killed Cell that is independent from ecosystem is also independent from immune system it has no immunocompetence at all 2 Precautions for mold increasing There are many cases that mold is increasing by eating fat on the fingers as a source of nutrient in incubator Therefore DBe sure to wash and sterilize your hands prior to servicing Use 70 ethanol In installing sterilize the inside wall and shelves after removing shelves duct humidifying pan and so on with 70 ethanol 3 In the case that mold is already increasing Sterilize the interior walls and shelves with 70 ethanol after removed all items from the chamber as same as 2 2 above And you should sterilize again after 24 hours once sterilized when the root of spore is geminated because it is too difficult to remove spore of mold Repeat sterilization is effective NOTICE In general stainless steel is known that it is not easy hard to rust However depends on the conditions rust might generate When you remove rust we recommend the fo
36. llowing agents Besides the surface may become foggy Recommended agent 1 Cream cleanser Gif Nippon Leva 2 Picasso SUS300 W Chemical YAMAMOTO lt Picasso has greater capability of clean for rust than Gif gt Auto zero adjustment 18 uses the infrared sensor and it has to be adjusted CO density and output voltage that they are changing as time goes by In the first stage when the power is supplied auto zero adjustment is carried out every 10 minutes and repeats this cycle six times total 1 hours then auto zero adjustment will be carried out every 4 hours Refer to the timing chart below 1 Mechanism of auto zero adjustment oRun the auto zero pump for 2 minutes to feed ambient air into CO sensor During this period sampling air pump is off CO density in the atmosphere is almost 0 0 03 0 07 adjust automatically that the measured is 0 oThen do usual sampling for 2 minutes compare density of the ambient air with the inside of the chamber Atthe time only the sampling air pump is running 2 Timing chart of auto zero adjustment Auto zero 4 min 4 min 4 min 4 min 4 min When 10min 20min 30min 40min 50min BOX temperature is reached 10min 10min 10min 10min 10min 4hours 4hours to 45 2 3 Indication during Auto Zero adjustment The indication of CO density is locked and the decimal point of the indicator which is displayed
37. nnector of ballast glow assy as shown in Fig 8 is O L CJ c L3 BL UE l Glow starter Main board l WHITE WHITE D uv lamp lt T WHITE La BLUE IF YELLOW PI RED GHT BLUE Seen IP Connect after removing i the cover TI ciue ln e Power trans filter WHITE 1 gF N GREEN Name plate Patent label Fig 8 10 Attach the labels UV door switch caution label UV caution label Fig 9 11 Set the UV lamp ON period through control panel When using UV lamp option it is needed to set the UV lamp ON period Refer to the following procedure Description of operation Key Indication after operation operated Turn the power switch ON The current chamber temperature is displayed Press CAL key for 5 seconds CAL The left digit in the temperature indicator is flashed 3 By pressing 4 key and u a Press ENT key In CO density indicator ENT 000 is displayed and the F01 01 000 right digit is flashed E 5 By pressing 4 key and M key set the figure to 005 5 minutes of ON period Press ENT key The setting of UV lamp ON time is ENT memorized and the current chamber temperature is displayed lt lt gt gt The UV lamp ON time is settable between 0 to 30 minutes However it is recommended to set 5 minutes in general The UV
38. nute Since the 90seconds Auto Return is invalid in this mode press ENT key to come to the end Adjust humidity level by changing the electricity output ratio in the bottom heater initial 12 the range 0 19 Input F06 on temperature display and press ENT key to show a current SV on CO display Sum the value up to make humidify higher Lessen the value to make humidify lower Press ENT key to store the value and automatically returns to PV display Prevent dew condensation by changing the electricity output ratio in the door heater initial 4 the range 0 9 Input F07 on temperature display and press ENT key to show a current SV on display If there is dew condensation on the door sum the value on display up and press ENT key to store the value and automatically returns to PV Auto Zero and Auto Changer ON OFF set Demonstration mode set initial 000 In Auto Changer mode both of CO cylinders are available when is requested to supply A lamp of cylinder in current used either lamp A or lamp B is illuminated to switch manually one to another with A B key If the cylinder in current used is empty automatically switches to another cylinder and the lamp of empty cylinder flashes In Demonstration mode SV for both temperature and are displayed it seems to be under control At the time the heater is not conducted and CO valve is not opened Demonstration mode is used in exhibitions
39. of adjustment value for span point initial 500 Input F11 on temperature display and press ENT key to display an adjustment value for CO zero point on CO display If you press ENT key or leave the device for 905660505 automatically returns to PV display The value is adjusted when CO is calibrated For example calibrate with SV 4 5 when the CO level is displayed as 5 0 however the actual level is 4 5 At that time the value in F11 should be lower than 500 ex 460 If the value is abnormal ex 999 the actual internal level can be 1 0 however the is displayed as 5 096 Display a temperature in ambient temperature sensor Input F12 on temperature display and press ENT key to display a temperature of ambient temperature sensor on CO display If you press ENT key or leave the device for 90seconds automatically returns to PV display This temperature is not synchronized with actual ambient temperature since it is affected by waste heat in electrical parts indicated approx 4 C higher than the actual temperature Initialize the non volatile memory initial 000 This function should be used only when data in the non volatile memory cannot be restored owing to unexpected events ex noise Do not use in normal condition Input F13 on temperature display and press ENT key to display 000 on display then change the 1 digit to 1 and press ENT key to initialize all the
40. r of the chamber sThe temperature calibration range is between the set value 1 0 C If the value over this range is input an error tone will be emitted the input data will be ignored and the display will revert to the present temperature Therefore if you need to calibrate more than 1 0 C you should repeat above procedure several times Illi Temperature calibration ML Calibration UM Note When key lock mode is ON calibration mode is disabled 1 Press key for approx 5 seconds 2 The top the 3 digit of temperature display is flashing other digits will go off 3 Press key again 1 2 3 4 The top the 3 digit of CO density display is flashing other digit will go off 5 6 5 Set the present correct CO density with PP key and 4 key Press key 6 The display will automatically revert to the present temperature Example If the internal CO density display shows 5 0 the set value the actual measured value is 4 5 Press key for approx 5 seconds 2 The top digit of temperature display is flashing and other digits will go off Press key again The top digit of CO density display is flashing other digits will go off Set the displayed value at 4 596 of the actual measured value with gt gt key and 2 key then press key The display will automatically revert to the present temperature Note sln calibration if
41. ration 6 O 5 2 lt 0 I 0 5 Set density COz Point calibrated by auto zero adjustment IL specifications of sensor III Temperature Resistance for temperature sensor 103AT 1 The measure of internal temperature internal temperature overheat protection and Resistance 7 19 6 94 ambient temperature Temperature Temperature C 34 35 6 70 6 47 6 25 6 03 5 83 5 63 5 44 5 26 5 08 4 91 4 75 4 59 4 44 14 12 Followings are reference voltage In actual use it is no problem if the calibration could be done in reliable Specification for CO density output voltage in IR sensor CO density Output voltage amplify value in main PCB 96 voltage V 96 voltage V 96 voltage V 00 40 287 160 247 10 374 90 28 10 24 20 2 40 3 0 2 37 4 0 5 0 60 30 10 25 o o 29 150 258 Parts layout agitating fan motor monitoring hole Auto Zero air pump of JL M M Remote alarm terminal CO valve filter CO gas inlet remote alarm terminal sensor BOX transformer for PCB noise filter sensor BOX temp sensor thermal fuse CO2 IR sensor power comsumption resistance R13 sensor BOX heater UV lamp connection port Water level sensor CO2 gas inject port Overheat protect sensor Temp sensor Inlet port of Sampling gas for sensor R
42. rm contact In normal condition Open In alarming condition Close Note The recovery time after BZ key is pressed and linkage between remote alarm and buzzer are depending on F24 F25 setting Storing in non volatile memory 2 times comparison method When the main power is supplied a data storing in non volatile memory is called for 2 times to compare If the data 1 called coincides with the data of called the data would be stored RAM Otherwise the comparison would be repeated until the one coincides with another Temperature offset value The difference between temperature sensed in temperature control sensor and temperature in internal 1 2H should be offset Offset value 0 8 Example for displays Current temperature 36 2 CO level 5 0 E FU Set temperature 37 0 Auto Zero adjusting Ve Function F03 Auto Zero adjustment value 5021 gas error E01 Co IF Service code input Bottom heater ratio 004 Lock Mode L0 ILIO 11 12 13 14 15 16 Wiring Diagram L BL ee BL L BL L BL UV LAMP FEY e BR 8 Y 5 ba 60Hz TOP HEATER 1 3 s US P EM BALLAST i AB t 7 PA foe u jo A L SUC PH sg GLOW STARTER BL wit o f amp B 00 gt ee m RETRES 70 a5
43. ss SET key again to return to PV display Alarm safety mode and self diagnosis In sensors malfunctions and CO control malfunctions an error code and PV is displayed alternately Note The remote alarm is controlled in every a minute exceptionally in Auto Zero That s why the remote alarm control is delayed 4minutes max after an error is displayed lt Error code gt E01 cylinder is empty E05 Temp sensor is open circuit E06 Temp sensor is short circuit E07 CO box temp sensor is open circuit E08 CO box temp sensor is short circuit E09 Ambient temperature sensor is open circuit E10 Ambient temperature sensor is short circuit E11 CO sensor output voltage is abnormal E12 Main heater is abnormal E13 Bottom heater is abnormal E14 Door heater is abnormal E15 CO sensor box heater is abnormal E16 SSR for each heater is open circuit E17 Sample pump and or Auto zero pump malfunction E18 UV lamp malfunction a lamp blown out a glow lamp unfitted etc The description of error codes are follow E01 CO oylinder is empty When the CO level is not 0 296 or more in a minute even though the valve is opened E01 and Internal temperature are displayed alternately and buzzer sounds intermittently The definite action that cylinder is empty repeats twice therefore it takes approximately 2minutes to display an error after the cylinder would be emptied Temp sensor malfunction open
44. ssembled in unit MCO 21GC 3 Extra stainless steel shelves 1 shelf 1 shelf support basis MCO 46ST 4 Stacking plate for double piled MCO 18PS 5 UV sterilization system MCO 18UVS Note Model name lO M CO 18 A alloy anti bacteria stainless steel l Infrared sensor A Air jacket 18 Chamber capacity 170L CO Incubator M Medical equipment Structural specification MCO 18AIC Exterior dimension W 620 x D 710 x H 900 mm 4pcs 450 x 450 x 12mm Shelves Maximum 15pcs available Maximum load 7kg Access port 630mm x 1 right hand on the rear panel Shelf support x 4sets Humidifying pan x 1 Tube x 1 200 Tube x 2 Stacking plate x 1set Net weight 93kg Parts for Antibacterial stainless Inner cabinet Shelves Shelf support Shelf support post Top duct Rear duct Humidifying pan cover OOOOOO O gt x The humidifying pan is not made of copper alloyed stainless steel Performance specification Temperature 5 35 Ambient temperature Humidity Less than 8096 RH humidity range In ambient temperature is lower than 15 original performance cannot be always obtained Temperature control range in Ambient temperature 5 C 50 C the unit Settable range 0 C 50 C Temperature distribution in DIS D 25 minutes or less Temperature recovery period until the internal t
45. uminating and automatically goes off after 24hours has passed In the middle of 24hours sterilization if the door is opened UV lamp goes off and 24 hours sterilization mode would be cancelled If 24hours sterilization mode is reset in the middle in F02 the mode would start operation from the beginning Note UV indicator lamp should illuminate when UV lamp illuminates so the indicator lamp illuminates if UV lamp is unfit Note that those who knows service code 384 should use F04 or the following functions except for F21 22 24 25 and 30 Direction Input the following code to use the following functions code 384 foruse Input F03 on temperature display then press ENT key to show 000 on display 384 is appeared if service code has been already input Input service code 384 with H key gt gt key and press ENT key to return to PV display Now F04 and the following functions are available If 203 or a following function code instead of the above code is input in F03 for example if F05 is input then ENT key is pressed the continuous buzzer beeps for a second to return to PV display In this case input the above code to enter the device into F04 or a following function Note The above code is stored unless 000 is input in F03 or the mains is OFF F04 Display life span of UV lamp Note UV lamp is optionally provided Direction Input F04 on temperature display and press
46. ve description is also applied for E13 E16 Bottom heater is abnormal When the bottom heater is open circuit or SSR is short circuit E13 and an internal temperature are displayed alternately and buzzer sounds intermittently Door heater is abnormal When the door heater is open circuit or SSR is short circuit E14 and an internal temperature are displayed alternately and buzzer sounds intermittently CO sensor box heater is abnormal When the sensor box heater is open circuit or SSR is short circuit E15 and internal temperature are displayed alternately and buzzer sounds intermittently SSR is open circuit When any SSR of main heater bottom heater door heater and sensor box heater is open circuit E16 and an internal temperature are displayed alternately and buzzer sounds intermittently Sample pump and Auto zero pump malfunction In SV is 3 5 or higher and the current level is 3 5 or higher if the difference of voltage between during Auto Zero and before Auto Zero is 150mV or lower it judges as Sample pump and Auto zero pump malfunction E17 and an internal temperature are displayed alternately and buzzer sounds intermittently At the same time CO valve is closed The judgement would be done in every Auto Zero adjusts however the judgement in the 1 interval in Auto Zero would be ignored E05 E06 Note E07 EO08 E09 E10 E11 E12 E13 E14 E15 E16 E17
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