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Apex 3-Stage Burnout Oven

1. 6 FAIL Thermocouple Failure The thermocouple or temperature sensor failed during firing Causes Defective thermocouple or disconnected loose wires Defective controller Electrical noise Thermocouple Paperclip Test Check the thermocouple wire connections See your burnout oven instruction manual If connections are tight perform this test 1 UNPLUG the burnout oven or disconnect the power Remove the controller Remove the two thermocouple wires from the back of the controller 6 2 Cut a thin paperclip in half Insert a U shaped paperclip piece or other piece of thin wire where you removed the thermocouple wires 3 Plug in the burnout oven FaIL will appear Press START Test results A If the controller displays room temperature and IdLE after you press START replace the thermocouple B If the display still shows FaIL after you press START return the controller for repair or replacement 7 FE Error Messages Message Problem FE 1 Memory Read Write Failure FE2 RAM Failure FE3 OEM Factory Data Corruption FE4 Thermocouple Noise FE5 Software Error To return to IdLE from an FE code Try pressing any key If that doesn t work turn the power off for 10 seconds Call the factory if the error message remains when you turn the power back on If you get an FE 4 message check the wire connections going from the back of the controller to the thermocouple A loose connection can cause the FE4 message 8 EIL Fire
2. controller it will be necessary to reset the internal clock The Day is a7 day calendar ranging Monday Sunday Monday Sunday display codes as below Monday _On Tuesday tUE Wednesday _Ed Thursday tHU Friday Fri Saturday SAt Sunday SUn INCREASE DECREASE buttons are used to set the date Press PROGRAM to advance to the next option If power failure occurs the clock date will reset to Monday 1 1 4 Ltt The operator can program a safety limit temperature This option appears only if the OEM option J3 2 is set for Safety relay If the limit temperature is detected during a firing the controller will abort the firing with the display code OTL Ready to Cast programming The controller programming should allow the operator to program a ready to cast time and date These program options will appear at the end of the final hold segment HLD3 After entering a value for HLD3 press the PROGRAM button to display CStd Cast DATE alternating with real time clock date Operator uses the INCREASE DECREASE buttons to set a ready to cast date NOTE operator can check the real time date is correct before setting a new cast date Press PROGRAM to advance to the TIME segment After entering a CStd press the PROGRAM button to display CStt Cast TIME alternating with real time clock time Operator uses the INCREASE DECREASE buttons to set a ready to cast time for the cast date NOTE operator can check the clock time is correct before s
3. F 1 1 1 F C Option Pressing the INCREASE button from the IdLE prompt will display the CHG option This option is the same as the AF3000 controller to allow temperature units to be displayed in degrees Fahrenheit or Centigrade CHG alternates on the display with the default setting Press increase button or decrease button to change the setting Press PROGRAM to advance to the next option CHG Selections F Default setting 1 1 2 Thermocouple Offset tCOS is currently available to the operator from the START prompt This option shall be moved to the new option menu The operator can increase or decrease the temperature display in 1 degree increments The default offset value is zero The offset range is increased from 20 F 11 C to 180 F 100 C INCREASE DECREASE buttons are used to set the TCOS Press PROGRAM to advance to the next option 1 1 3 CL t The controller should keep real time with internal clock and calendar Clock will not be battery back up so if power is lost to the controller it will be necessary to reset the clock options Time will be a 24 hour clock 0000 2359 set by the operator Default time is 1200 INCREASE DECREASE buttons are used to set the clock time Press PROGRAM to advance to the next option If power failure occurs the clock time will reset to 1200 CLd The controller should keep real time with internal clock and calendar Clock will not be battery back up so if power is lost to the
4. are connected to the correct terminals See your burnout oven s wiring diagram The thermocouple may be starting to fail and is sending erratic signals to the controller The thermocouple inside the burnout oven is much colder than the controller circuit board 16 OPEN Door Open This error occurs if the door has been left open and the temperature has fallen below 800 F 427 C for more than 10 seconds while trying to heat up to or maintain a temperature above 800 F 427 C This error can sometimes occur when high or full heat rates are used Trouble Shooter 17 Problem Controller display is blank No heat in burnout oven Is the burnout oven connected to the power Has the circuit breaker tripped or fuse blown Is power reaching the wall receptacle Test with a voltmeter or a test light if you are not sure Has the burnout oven switch box 1 2 amp fuse blown The burnout oven s Ya amp fuse is located in the burnout oven switch box Remove by pressing the fuse holder and turning counter clockwise half a turn Check the fuse by placing the probes of an ohmmeter on the ends of the fuse If the ohmmeter reads less than an ohm digital meter or reads 0 ohms analog meter the fuse is okay If the reading is OPEN digital meter or infinity no needle movement analog meter the fuse is bad Replacement fuse AGC 1 2 A 250V AC Is the controller receiving power Test the power INPUT connections on the back of the controller w
5. controller passes the Input Test perform the Controller Power Output Test Controller Power Output Test Is the controller sending voltage to the relay Test OUTPUT with a voltmeter 1 UNPLUG the burnout oven disconnect the power Remove the 4 screws holding the controller faceplate to the switch box Lift faceplate out of box and let the controller hang on the outside of the box with the back of 9 the board facing you Then plug the burnout oven back in Program the controller to fire to 1000 F at FULL rate in Ramp Hold mode Press START 2 Put the voltmeter in DC mode It must be in DC mode when testing OUTPUT voltage Touch probes to the red wire and black wire connections Measure the voltage when the relay clicks on Output Test Result No voltage at red and black wires The controller is not sending power to the relay Return the controller for repair or replacement Output Test Result 10 14 v at red and black wires The controller is sending correct power to the relay Unplug burnout oven disconnect power Remove the burnout oven switch box Look for disconnected wires between the controller relay and elements Check the wiring diagram to be sure wires are connected to the correct terminals Be sure connections are tight If the wiring is Okay replace the relay To replace relay see your burnout oven s instruction and service manual 19 Problem Burnout oven switch box 12amp fuses keep blowing What size fuse are yo
6. BEX Dental Technologies www ibexdental com User Manual Apex SP Burnout Dental Oven IBEX Dental Technologies Inc 850 N Dorothy Drive 502 Richardson TX 75081 877 370 4242 1 General 1 4 User Program heating cooling rate unit 15 Optons MENU iba die ie dia Geeta hs Sides wiv aes LSLE E OP ir id id E az 1 5 2 Thermocouple Offset 1 6 Ready to Cast programming 1 7 Delay Start for Ready to Cast time 1 7 1 Normal delay start 1 8 Status Indicators 1 8 2 READY Display message 1 9 Indefinite Hold at Ready 1 10 Deviation alarm Open Door 1 11 Program Review 1 12 Dental Flow Chart 2 Program Operation 3 Error Messages Initial Setup Thank you for your purchase of the IBEX Apex Burnout Oven Your Apex Burnout oven comes ready to plug in and program The only installation or setup would be the installation of the Floor Tray pictured below Due to the nature of the cast muffle the floor has a slight slant or decline from manufacture The Floor Tray has a high temperature pad adhered to the underside of the Floor Tray to raise the front end level with the back also pictured below Floor Tray with Lift Pad attached Floor Tray installed 1 General User Program heating cooling rate unit The Heating and cooling rates for the Dental Oven will be programmed in units of Degrees per minute Range is to 50 F minute FULL Full On translates to approximately 76 F per minute from room temp to 1600
7. d Too Long This message appears when both of the following conditions are met The temperature rise or fall is less than 27 F 15 C per hour The firing is 2 hours longer than programmed Programming a cooling segment target temperature that is below or even close to room temperature can also trigger the FtL message See Controller display turns on No heat in burnout oven page 14 Question The controller on my Paragon SC 2 jewelry burnout oven flashes FtL but only when I include a controlled cooling What is happening Answer FtL means firing too long But firing too long applies to cooling as well as to heating FtL can appear if you program a segment for slow cooling and the burnout oven is taking too long to cool Program a slower cooling rate FtL will also appear if you program a cooling segment target temperature that is below or close to room temperature 9 HtdE High Temperature Deviation Causes During a heating up ramp or a hold the temperature is 100 F 56 C above the programmed temperature During a cooling down segment the temperature is 100 F 56 C higher than the segment s starting temperature A fast rate caused the controller to overshoot the target temperature Also check for a stuck relay 10 PF 1 Power Failure The power failed during a cooling segment and the burnout oven cooled past the target temperature while the power was off The burnout oven will not resume firing To r
8. d far enough into the firing chamber A 1 8 diameter thermocouple should extend into the firing chamber Y A Y4 diameter thermocouple should extend into the firing chamber 1 or more Keep shelves posts and ware 1 1 2 away from the thermocouple Do the elements stay on after you press STOP If so the electrical contacts inside a relay are stuck in the closed position This will also cause elements to turn on as soon as you plug in the burnout oven Replace the relay
9. e delay would be calculated with these values Calculate Difference of cast time date and actual time date Tuesday 0800 Monday 16 00 16hours Calculate the total firing time Ramp hold stage 1 75F current TC start temp 925hours ramp lhour hold 1 925 hours Ramp hold stage 2 0 800 hours ramp 1 hour hold 1 800 hours Ramp hold stage 3 0 333 hours ramp 1 hour hold 1 333 hours Total time of firing 5 058 hours Calculate delay time by time date difference firing time 16 hours 5 058 hours 10 942 hours The controller would start at 4PM on Monday afternoon with delay time of 10 942 hours This would allow the firing cycle to begin at 3AM on Tuesday morning when the delay time expires Then the firing will proceed for the next 5 hours and be ready at the stage 3 cast temp at 8AM the same morning If the calculated delay time is equal to or less than zero start the firing immediately with zero delay For example if the firing cycle example above requires 5 hours but the operator has programmed a casting time and date of only 4 hours from actual time and date it is not possible to have the oven ready at cast temp in only 4 hours 1 3 1 Normal delay start The normal delay start that is accessed from the Strt prompt is no longer active Status Indicators The controller LEDS will be used to identify the firing status 1 4 1 LEDS The dental oven will use the 3 discrete LEDs to show the progress of the firin
10. etting a new cast time After entering the CStt press the PROGRAM button to advance to the normal Strt START prompt To begin the new firing press the PROGRAM button again to initiate the delayed firing Clarifications The setting in option menu for date and time will allow the operator to set the actual date and time for the controller This time and date will need to be reset only if the controller power is lost The operator must only set this time and date option once if the controller will remain powered on indefinitely Once the time and date is set by options the controller is expected to keep and update actual time as long as power is not interrupted In programming of the firing cycle the operator will set a desired time and date for the firing to be at the READY stage The operator must program the 3 step firing cycle and then program a time and date for the controller to calculate when to start the actual firing For example The operator programs this firing cycle at 4PM 16 00 Monday afternoon Stage 1 20 F min to 1000F hold for 30 min Stage 2 35 F min to 1400F hold for 30 min Stage 3 50 F min to 1500F hold for 1 hour Next the controller offers the parameters for Casting time and date This is the time the operator plans to come in the next morning and have the burnout oven preheated and ready to load the product The controller will show CStt alternating with actual time 16 00 The operator can adjust the cast ti
11. eturn to the IdLE display press any key 11 PF 2 Power Failure The power failed during firing and burnout oven temperature was below 212 F 100 C when the power came back on The burnout oven will not resume firing To return to the IdLE display press any key 7 12 PF 3 Power Failure The power failed during firing and temperature dropped more than 72 F 40 C by the time the power came back on The burnout oven will not resume firing To return to the IdLE display press any key 13 tC Thermocouple Failure The thermocouple failed during the IdLE display See the paperclip test under FAIL page 11 14 tCL Thermocouple Lag The heating rate is slower than 9 F 5 C per hour and the actual burnout oven temperature is more than 100 F 56 C away from the programmed temperature The tCL alarm becomes inactive above 500 F To return to the IdLE display press any key Causes Worn or burned out elements defective relays low voltage and defective thermocouple On burnout ovens that use a portable controller the thermocouple has fallen out of the firing chamber A bare spot on the thermocouple lead wires has touched a grounded object inside the burnout oven switch box causing the thermocouple to short out You have programmed a cooling segment temperature that is below room temperature 15 tCr Thermocouple Reversed This usually means the thermocouple lead wires are reversed Check that the thermocouple lead wires
12. g program Top LED on when the 1 ramp segment and hold is in progress or complete Middle LED on when the 2 ramp segment and hold is in progress or complete Bottom LED on when the 3 ramp segment and hold is in progress or complete Note the graphic overlay will identify the 3 LEDs from top to bottom as STAGE 1 STAGE 2 STAGE 3 1 4 2 READY Display message When the burnout oven is ready to cast ramp 3 hold segment is complete the controller will toggle the message REdI and the current burnout oven temperature The onboard buzzer will beep for 30 seconds to announce the Ready condition Indefinite Hold at Ready At the end of the program the controller will hold the final hold temperature indefinitely The operator must stop the controller firing During the indefinite hold period the controller display will show REdI alternating with the current temp Deviation alarm Open Door A new alarm is required for the temperature range 500 800F This alarm will be a safety shutdown in case of the burnout oven door being left open during the firing Note if the door is left open the burnout oven temperature is expected to stall near 650F The OPEn alarm aborts the burnout oven firing if the following 3 conditions are met for a duration of 10 seconds 1 The burnout oven temp is between 500 800F 2 The burnout oven temp is lagging the set point by more than SOF 3 The output power to the heater relay is at 100 If OPEn aborts
13. ge wire Input Test 2 Result Less than 20 Volts AC There are two possible reasons 1 Low voltage at the wall receptacle 2 defective transformer If wall receptacle voltage is correct replace the transformer Input Test 2 Result 20 24 Volts AC The transformer is sending correct voltage to the controller Yet when the INPUT plug was connected to the controller voltage was less than 20 This means the controller is draining the voltage and may be defective Return the controller for repair or replacement 18 Problem Controller display turns on No heat in burnout oven Is the relay making its normal clicking sound Yes the relay is clicking Test the elements with an ohmmeter Element Resistance Test 1 UNPLUG burnout oven disconnect the power Open the burnout oven s switch box Make sure the wires connecting the relay to the elements are secure If connections are okay continue to step 2 2 Touch the ohmmeter leads to the two element connectors of each element A no needle movement reading on an analog meter or OPEN on a digital meter indicates a broken element If the elements check out okay replace the relay To replace relay see your burnout oven s instruction and service manual No the relay is not clicking We know the controller is receiving voltage because the display is lit But the voltage from the transformer may be too low to power the relays Perform the Controller Power Input Test page 13 If your
14. ith a voltmeter Controller Power Input Test Unplug the burnout oven Remove the 4 screws holding the controller faceplate to the switch box Lift faceplate out of box and let the board hang on the box with the back of the board facing you Plug the burnout oven back in Touch voltmeter probes in AC mode to both INPUT connections the white and orange wires Do not let the back of the board touch a grounded object Make sure the voltmeter is in the AC mode when placing the probes on INPUT connections Controller Power Input Test Result No voltage UNPLUG burnout oven Check the switch box for disconnected wires between the cord transformer and controller If wiring is okay replace the transformer Controller Power Input Test Result 20 24 volts AC Correct current is reaching the board from the transformer But since the board is not lighting up it is probably defective Return the controller for repair or replacement Controller Power Input Test Result less than 20 volts Did you recently replace the transformer It may be the wrong voltage The voltage is below 20 which is not enough power for the controller To find out the cause of low voltage continue below Controller Input Test 2 The back of the board is still facing you and the burnout oven is plugged in Remove the INPUT plug which is the white orange and blue wires from the back of the controller Touch a voltmeter probe to the white wire and the other probe to the oran
15. me to 8AM the next morning or 08 00 The controller then offers the parameters for date This is the day the operator plans to come in the next morning and have the burnout oven preheated and ready to load the product The controller will show CStd alternating with actual day On The operator can adjust the cast day to Tuesday the next morning or TUE The controller then advances to the Strt prompt to begin the firing cycle at the calculated delay time Delay Start for Ready to Cast time The controller must calculate from the firing schedule and from the programmed ready to cast time date a delay start time The delay start time will be programmed automatically from the calculation 2 Delay time should include Program segment 1 ramp and hold time adjusted for current burnout oven temp at start Program segment 2 ramp and hold time Program segment 3 ramp and hold time Time difference between current time data and programmed ready time date Clarification When the operator presses the Start button from the Start prompt Strt the controller will determine or calculate the necessary delay time to begin the firing For example The operator programs this firing cycle at 4PM 16 00 Monday afternoon To be Ready at 8AM on Tuesday 1000F hour to 1000F hold 1hour 500F hour to 1400F hold 1 hour 300F hour to 1500F hold 1 hour the controller should calculate a delay start and begin a delay period In the example program above th
16. on t need select 0000 This will zero out any remaining unused segments Then press START 7 CL d will appear alternating with the current day of week Use the arrow keys to select the day of week when you will begin casting Press START 8 Cstt will appear alternating with the current time Enter the military time for the above day when you want to begin casting i e 8 00 a m 08 00 2 00 p m 14 00 9 Press START Strt will appear 10 Press START again On will appear alternating with dELA and the number of hours and minutes before the furnace will be ready for casting To stop the furnace press STOP the left button twice STOP will appear Press STOP again to make IdLE appear 3 Error Messages 4 bAdP Bad Programming The burnout oven will not fire because a the Ramp Hold program just entered has a rate of 0000 in segment 1 or b the target temperature in Single Speed or segment 1 of Ramp Hold is lower than the current temperature 5 EIH Electronics Too Hot The circuit board temperature is above 176 F 80 C Press any key to return to IdLE To lower the board temperature use a fan to blow air across the burnout oven switch box into the louvers But do not blow air into the burnout oven s peepholes If you have more than one burnout oven in the room place them farther apart Never allow the firing room temperature to exceed 110 F 43 C Measure room temperature three feet away from the burnout oven
17. the burnout oven firing the display toggles OPEn and current burnout oven temperature To clear the alarm display press any Button to return to Idle Program Review The normal program review that advances directly to the start prompt from Idle is no longer active Program review remains active during the active firing The discrete LED for program review is not active Dental Flow Chart key a O E Pr02 a de AB Pr19 EH O Raa 7 fray Y o frag 2 7719 nad o o o RA3 F3 ha O CL 1 CHG Esal O O O CL d o O calculated automatic Key Legend dELA SS SS SSS eee O Start Increase Program Review Y Decrease 2 Ready to Cast Programming Before programming close furnace door The controller must be set for the current day of the week and time See instruction manual 1 From IdLE press START the left button 2 Press the Up Arrow key not the Down Arrow key to select a program number Press START 3 rA 1 will appear Use the arrow keys to enter heating rate temperature change per minute for segment 1 Press START 4 F 1 or C 1 will appear Use the arrow keys to enter the target temperature for segment 1 Press START 5 HLd1 will appear Use the arrow keys to enter the hold time of segment 1 hours minutes If not needed enter 00 00 Press START 6 Continue entering values for the other 2 segments Do you need fewer than 2 segments When rA appears for the next segment that you d
18. u using Correct fuse AGC LS A 250V AC If the fuse is the correct size perform the following test Burnout oven Switch Box LS Amp Fuse Power Test 1 UNPLUG the burnout oven disconnect the power Remove the 4 screws holding the controller board faceplate to the switch box Lift faceplate out of box and let the board hang on the outside of the box with the back of the board facing you Disconnect both wire plugs from the back of the controller Then plug the burnout oven back in Apply power to burnout oven If the 1 2 amp fuse blows replace the transformer If the fuse does not blow the problem is a board or relay Go to step 2 2 Connect the INPUT plug orange blue and white wires to the board again Leave off the OUTPUT wire plug the one with the red and black wires Program the controller to fire to 1000 F at FULL rate in Ramp Hold mode Press START If the fuse blows replace or service the board If the fuse does not blow the problem is caused by a short in the coil of a relay Go to step 3 3 UNPLUG burnout oven disconnect power Reconnect the OUTPUT wire plug Reinstall the board in the switch box Replace the relay 20 Problem The burnout oven over fires Did you see an error message such as HTdE If not the thermocouple gave a faulty reading so the controller did not shut off the burnout oven Sometimes a shelf can bump against the thermocouple and push it out of the firing chamber Make sure the thermocouple is pushe

Apex 3-Stage Burnout Oven

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