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819-6606 - Frymaster

1. NYS 316 9 JYJY ZL Nid 26708 71 iL ano OL LHM 9 108 AWAWAA S MV3M 6 Nid M3MOd L 18 8 ae Mv TV NIAM3L 418 4 Nid N y lt 9 QNO LHM S 108 MT 252 d _ 2 7 9 LNOYS Q3M Nid AS _ lt 1 3M Z Nid NOMJ Q3M Nd AS LHM dOL WAWAAW M1 V Su3lv3H 7 LNOMJ 32018 2 JYNINYIL e NYO OZZM SAVdSIQ 413 5 alg UJ a Gay 2 c6V208 L Q3M Nid 43114 M3MOd 11510 slc 3 X HA 26 SoS 10018 pog JV NINM3L 42018 32018 LHM 2 1089 www yg TVNINS3L LHM wwwwns yd LHM Z 301 M NP SP w LHM 108 2 29 LHM 901 WWAA 18 CAS x 5431 SS doc 9 LNO3MJ 9 tl z amp a OE TA Nid 5 31385 S3MOd i EN wid eae O Q3M 2 Nid mz Nid 28 UE LHM OZIM X18 291M diN3L 3WILL ales ME
2. v8ecozcog 531 6 Nid oZ _ 8 Nid yg 18 lt 9 9N5 N e 3 2 jM v Nid AS 3M Nid as AS 2 S E S Eo L F A 26 p Oz k E YILI 43MOd 1510 1HM 24 28 292 4 AL N YOLSINVA eem E 9 L 108 eV ej 41H 29 N 2 108 61 81 wwz 108 ep ERR dol ww 1d EL ww 108 E A 40 gt g 91 JM E 108 AAA X118 Lr 7 EM 9467208 id 9769 08 T 23 SM31V3H LS 071 6r 5 USE 5 JHS 331113 p i pu 034 Z 669 08 Q3M Nid 5 ma NJN dW3L SW SAW LNOMJ 9167 08 2167108 ON T AV 14519 IOMIN
3. A gr981908 LB8ISLO8 _ J L Nid LL Nid OL 5 6 Nid M3MOd Jet NC 2 ONS LEE gt X18 9 Nid lano 9 N m A806 1 2 v Nid eese rune 2 Nid S ano om L oZ LHM 26 AS 331114 M3MOd 1518 IHM 24 x18 28 osz YOLSINVA os M18 29 SO 5 E N Z 2 O Z L108 wAA 118 eid WW qat dol wW M18 vZ6VL08 vC6vL08 LNOMJ L 109 118 vi vC6YL08 9677098 96 08 LNOMJ dOl 967708 SM3l V3H ose E LNO3J us Oo SAVIdSIQ J13HS ae NYO Nid yg Nid Z Nid 8o 3M L Nid 211 ae CET T wi uo uo INO 951 MV 3M 18 LHM ld MAN di ezeros 8 08 H T 28 ds LL ZL 8f x 2 00 V 1dSIG 4225 297980121519 YILSYN J O M3ISVM lesze risio c 8v 08 N n 3 auvog 1 11101687 96 E SNOILVOINQIWWOO 5 7 Ca
4. 77 77 70 Not Illustrated Latching Relays in US Natural Convection Cabinets no spe yeg Relay Introduced in Natural Convection Cabinet A 8073490 T T 8075265 Original Relay a 4 c c spea eyuM The natural convection cabinet without fans UHC HD uses a different latching relay in the US The new relay shares the same footprint as the original relay but the terminals are laid out differently See diagrams above The new relay can be used in all existing cabinets However the old relay can t be used as a service part in natural convection units in the US 4 4 Cabinet Wiring Diagrams 181508 LHM 9 L1O08 wA A AA 118 LHM 9 WWWWW 118 LHM S 108 18 LHM S 01 WAWAWv I8 QN93 O8S8IA qQuv og SNOILVOINAWWOSD NOT Diagram Wiring a LHM v 108 WWWW 1 18 LHM v dOL l 49019 TVNINWH3L ER UJ 9 z LHM 26 EG en 108 WWW M18 lt um dOL wwwws 18 gt LHM Z LOB ANWW M18 CN LHM Z dOL wwwws 198 l LHM 108 T l LHM 1 d01 SM31V3H x p DET LO E 6 1 cO 00 E E 9 L L NI NEN 1167 08
5. 02508 5 014 NYO 214 5 4 As ci n 9 108 9 NV3M 9 m 9 108 18A 611 QL G MV3M 9 01 19 Lt BLL S dOl NER A v 108 108 21 v I SF 1 6 401 A LL 911 267 08 7267208 9 LNO33 18194084 1 Nid 108 vi Ir 7467708 Pa T OT S LNOJ 0 Nig A lddNS Hi 946708 SM3LV3H EA o Ie X18 8 o 9 LNOMJ QF X18 Z lano AAA E 9 Nid 9N9 N TEE SAWIdSIG 41385 wr NYO OZZM 41g v Nid 7 mE 18 om L 2 2 Meurs 52 Nid S S Tu 1 os gt Mal 71134 MAMOd 1518 Ex Ed 1HM 2 252 E gt eu nes wwe 108 29 2 108 Ww 418 91 n v og x ANE Eje 91 JZ dol que BG ie
6. Defective sensor e Switch RTD lead from properly operating row to faulty row to isolate problem e Test continuity of heater plate 3 2 Cabinet Parts Parts Lists Exploded Views a BAe S0 000 oN osa 10 4 1 Cabinet Parts ftom Partnumber mn 6 88803 8 805 9 8262781 Bezel with boards front with short ribbon cabe Side 6 row vented right or left natural convection cabinet sides are not side specific 8 4 2 Cabinet Parts Component Shelves Original design component shelf Not to scale placement varies Au IS gt I IE j T ng Br pf lz 7 N N Y r x 4 3 Note Power supply is on the right side lower side of the natural convection unit Cabinet Parts Dem Been 0000000 Software update kit Updates master control distribution and row display boards LON board domestic non Cenelic Obsolete LON board international Cenelic Obsolete LON board international non Cenelic Obsolete Blower not used in natural convection cabinets Latching relay US natural convection cabinets see below Power supply on right cabinet side in natural convection units includes 2 8160892
7. TOS 108 A 2 301 Yw M18 726 208 MAT L 1 8 dOL 9v 67 08 5431 V3H SAV 18510 d 13HS NYS OCCM 19 v Nid aie SENI zero diN3L 165269 c diN3L 3WIL LNON4 9167408 9187 08 Om CO Ost CN OMNO core AV 1dSId YALSVW IOMLNOO 8Sd3lSVIN LESZ 6 LL Natural Convection Wiring Diagram WYE Power L1 N without LON L8LSZ08 NE O N NC 00 Nid D wig Z z 205 gt W18 9 m aay 2 Q3M Q3M Nid wid Nid 038 1 Nid 5 YsMOd LNI 95 NJN L1 wug na 4124 SI A lddfl LNI N3HM 13 8 2 Q3AOW3M N O 0 2 Z HOLIMS s3MOd X18 OF QU LHM OVS 431 Jd 43MOd 18 LHM L HO 9 Nug ng S wi uo uo AN9 mg 1H 5 6 Cabinet Wiring Diagrams Natural Convection 3 Row Wiring Diagram Delta Power L1 L2 with LON
8. ate 108 yg AA sg 20 5 Ww M3MOd w dOl sed dE ee 2 301 ww 18 5 Hes C LNO3J 5 mi LOB M18 vc6v 08 zk 9 6 08 _ 767208 INOX 7 2 L 01 AWw 18 9767 09 nm SM3lVv3H E 9d LNO34 lt J13HS H3MOd ya lt Nig THM Nid L 034 Z Nid gt gt Q3M A nyane S L ae 5 w uo u9 S QNO dN31 3AIL dWN3L 3Ml 2 7 e y p S 8v 08 9 Li Qo QNO gyro AV 1851 Ix lt lt IOMLNOO YSLSVW 6 risio Cf ELZ LLIOL6SZ9S v EZ Cabinet Wiring Diagrams Natural Convection Wiring Diagram WYE Power L1 N with LON 02981508 I8LS208 X ZL RE 9 108 amp 9 dol yg ae 2 X18 8 X18 4 gt X18 9 108 L m dOL AWWW 18 aay 2 aay B Nid 108 gt Nid S Nid WWW 19 S431 V3H AJddd S KI SAV1dSIO 41385 0 95 mr NaN miti CZ6v408 2 day L1 S vigne CRM Q3193NNOO SI AlddAS amp 3MOd M00 I8 TWNIWYSL B 2 N3HM 13 8 2 WONS Q3AOW3 00 38 OL OZ MOVIE 99 I r L SS SS ws s ws 2111 T YOLSIN
9. dW3L ANIL Sf 5 01 EH www 9 108 i 9 dOL m www 108 E el NES 2 108 VV 121 267208 267708 9 3 HIE SE Wr 9767208 9767L08 S 967208 6 n mE LNO3J NYO Nid SAW1dSIG J13HS 525 6 08 1 331114 71510 28 jen X18 262 5 014 gt 87408 4510 YALSVW cll vVVVVVVVv o LLL 108 Apes 401 91 wwa 108 lt i 108 www 267 08 INOJ 9r 6t L08 9767708 lNOJ 9767 08 LNOY4 41a SAV IdSIG 4TAHS 418 Nid G33 L Nid 669 08 LNOM4 9167 08 OY T orum Qn SISLLLOLESLZISHSS 60672708 YSLSVN 0384 044 CO N EN d S88 420 18 342018 IVNINWeS3L IVNINS3L N LHM 24 gt YOLSIYVA zs 2 ae S 2 UJ 1 2 29 CA x 5 m dJMOd 83 1 m uo 49 S 1 NAN 5 1 Cabinet Wiring Diagrams UHC HD WYE Power L1 N with Blowers and LON 15181608
10. td OA V 3dAL 431 19 diN3L 3W 9l6v 09 M3MOd INOYS LZ M18 NHO 261M 5 8 08 ove 5 QN93 NIN IHd 2 nyana S AW 1dSIq vo SNOILVOINQWINOO NOT 2 49 QNO 0168 96 21 S 6r 08 5 87 08 NAN 5 2 Cabinet Wiring Diagrams Natural Convection Wiring Diagram Delta Power L1 L2 with LON 20981608 5 5 019 e 9 108 9 MV3M 9 dOl 9 108 GE o gi S gn SP 9 401 SLL E S dOL a 5 108 www 18 A LIL MI L v dOl S dOL 7267108 726 08 9 LINOJ 1816408 X Z Nid 18 VIL 7467708 LL E 9767208 OL Adddns 2 or 9v6v 09 S LNOMJ ww 19 0 9 6 08 sae SM3l V3H n 6 8 lano L LNOMJ 2 2
11. chart on page 2 8 Switch plate on off with service code to ensure it is responding to cabinet circuits With plate on and calling for heat check amp draw on leads between distribution board and heater plate Amp draw on a properly functioning plate should be 1 67 Cabinet Troubleshooting Failure modes not accompanied by a master control display are shown below with possible causes and tests Symptom Possible Causes No power to cord Check for line voltage at the relay Unit fails to power e Blown 20 amp fuse power supply Circuit breaker open Reset circuit breaker Unit powers up and Broken or improperly Switch ribbon cable from functioning fans run a display seated ribbon cable display to failed component to isolate fails to light Defective display problem Unit powers up and ES fans run all Failed power supply Check for SVDC at communication displays fail to light board and distribution boards Ensure heater leads and power inputs on the distribution boards are properly seated e Test for 208VAC input on distribution board and 208VAC output from heater Improper wiring on leads to heater plate when the unit is distribution board calling for heat Rows heat improperly or not at all Defective distribution e Switch power leads from properly board operating row to faulty row to isolate Defective heater problem Check resistance of RTD lead against temperature chart See Page 2 4
12. CABINET UNLESS IT HAS BEEN PROPERLY INSTALLED AND CHECKED DO NOT OPERATE THE CABINET UNLESS ALL SERVICE AND ACCESS PANELS ARE IN PLACE AND PROPERLY SECURED DO NOT ATTEMPT TO REPAIR OR REPLACE ANY COMPONENT OF THE CABINET UNLESS ALL POWER TO THE UNIT HAS BEEN DISCONNECTED USE CAUTION WHEN SETTING UP OPERATING OR CLEANING THE CABINET TO AVOID CONTACT WITH HEATED SURFACES USE CAUTION WHEN LIFTING THE UHC HD THE UNIT WEIGHS 200 POUNDS THREE TO FOUR PEOPLE USING STANDARD SAFE LIFTING PRACTICES WILL BE NECESSARY TO HANDLE THE CABINET Table of Contents Theory of Operation Service Software Procedures Troubleshooting Illustrated Parts List Wiring Diagrams 4 1 5 1 Cabinet Service Procedures 1 Functional Description Master Control Display Power switch Timer displays on row board remaining time for all active timers Temperature displays on Row Mode key row board plate temperature alternating between top and bottom imer key Note The illustrations for these service procedures are of the 6 row full size UHC HD 1 2 Theory of Operation The cabinet operates on 208 250VAC 50 or 60 cycle single phase power The main switch activates a relay which supplies line voltage to two distribution boards three cooling fans and a power supply The power supply provides 5VDC to the master control board and the distribution boards The fans were removed from later versions of the UHC HD and the power supply m
13. out of the spacer Slide the replacement plate into position Make sure the plate is inserted squarely Tighten set screws Route the wires to one end of the row and wire tie the power wires together Also wire tie the RTD wires together Stand the row on the opposite end adjacent to the cabinet and feed the wires into the cabinet Carefully slide the row far enough into the cabinet to be stable Fig 11 12 Find the set screws under the foil insulation and push through with an allen wrench A wa T L 5 1 k A x On the opposite side reach into the cavity and direct the wires through the appropriate grommets to reach the power and RTD connections on the distribution board Slide the row assembly completely into the cabinet and return the spacers between the heater plates Ensure the row is evenly positioned in the cabinet There must be sufficient space to allow hot the bezel tabs to fit between the outside row plate and the cabinet interior wall hes 4 e int e t pe Me n a gt 2 11 Fig 13 The heater plate slides from the insulation Cabinet Service Procedures 10 Replace the bezels A CAUTION Ensure the heater plate setscrews are tightened securely to the spacer Tightening the setscrews will ensure the plate is properly grounded 2 12 Cabinet Troubleshooting The master control disp
14. with these steps if the cabinet is in a store with a LON system 7 With a menu in the master display press the programming button and enter 4557 8 Press OK 9 The display will scroll Press OK to activate service pin 10 Press OK 11 WINK appears on the master display and OK 15 illuminated 12 Press OK 2 6 3 Removing a Row NOTE Readdess the cabinet if multiple displays are removed and reinstalled l Remove the sides and top as shown m earlier steps during a service procedure such as a Disconnect the faulty row from the distribution board and heater plate replacement See page 2 5 terminal block 2 Remove the bezels on each end of the affected row as shown in earlier steps and the necessary adjacent bezels to remove the row 3 Remove wire wraps from wiring harness holding heater and control wires for affected row 4 Lifting slightly carefully slide the malfunctioning row out of the cabinet Do not allow the row to contact or damage the controls of the unit below Fig 10 2 6 3 Replace Heater Plate RTD 2 Remove row as shown above Run your fingers around the outside surface of the row assembly There are four raised areas These are the setscrews which hold the heater plate to the spacer Punch holes in the insulation directly above the location of the setscrews Fig 10 11 Use an allen wrench to loosen the four spacer setscrews along the edges of the plate Slide the malfunctioning plate
15. 8 99 lddnis 4d 3MOd 08 47 08 NYO 214 MOd HOLIMS wi uio 45 S QNO Cv 980LCL L9I 79 6 LL VLSHO ma itn S 5 8 Cabinet Wiring Diagrams Natural Convection 3 Row Wiring Diagram WYE Power L1 N with LON S6LSLO8 _ 99981908 438 lt _ JV NINWS3L IV NIWS3L m y z A gt gt 194 1519 2118 356 cr NH9 214 edwin ll m 5 pu dOl AA M18 B IL Y o 3 109 L 21 mx vn Oo dol AAA 91 oO 20 108 7 IL A H Zr dol wws 19d LL SYALV3H Ex um EN INOX SAV 14519 13 5 43MOd NYO OZZM v L aay 2 Nid gt 226 408 L Nid 1 LHM 341 41d 99IM gt MA Y9 M9 0115 169708 E MV3M ma 1H NAN ddy 18 diN3L 3MNILL 9167408 8467708 LNOUS 2267208 NYO AV 19510 15 IOMLINOO YSLSVW ONO3 NIN IHd 5 87 08 qav og SNOILVOINONWINOO NO I 5 9 Cabinet Wiring Diagrams Natural Convection 3 Row Wiring Diagram WYE Power L1 N without LON 618 08
16. K The display becomes Adjust Dim Intensity The cabinet s row displays become Decrease Increase 88888 03 Press the timer button next to the Decrease display to lessen the brightness the number displayed at the right will decrease Press the timer button next to the Increase display to increase the brightness is the minimum Press OK Cabinet returns to menu display 2 4 Cabinet Service Procedures Readdressing the Cabinet Addressing or assigning a position specific component such as a display or distribution board is done automatically by the cabinet on startup Communication errors can occur on start up after a board installation however If so follow the instructions below to readdress the cabinet This process can also be used during troubleshooting when displays are connected out of synch with their associated bezel on the same row level NOTE Readdess the Press the programming key cabinet if multiple displays 2 Enter 1111 at the Enter Access Sequence prompt are removed and reinstalled 3 The screen will scroll Row 1 Top Heater Off during a service procedure 4 Scroll with p gt through all the Heater Plate prompts until the Such as a heater plate screen displays Press OK to Re Address replacement 5 Press OK 6 Screen Displays Please Power Cycle Off 7 Turn the cabinet off and back on 8 The cabinet will start in the normal start up sequence 2 3 Accessing the Electronic Components 1 The compo
17. OO YJLSYW ieszeir 510 DCN gt I 5 10 I Frymaster anitowoc Frymaster L L C 8700 Line Avenue Shreveport Louisiana 71106 TEL 1 318 865 1711 FAX Parts 1 318 219 7140 FAX Tech Support 1 318 219 7135 SERVICE HOTLINE Price 6 00 PRINTED IN THE UNITED STATES 1 800 551 8633 819 6606 02 2015
18. UOIIOSAUOY pue 4 MOH 9 JO Frymaster Q Frymaster a member of the Commercial Food Equipment Service Association recommends CFESA using CFESA Certified Technicians Price 6 00 Hour Service Hotline 24 s E 819 6606 8 19 6 6 0 6 NOTICE IF DURING THE WARRANTY PERIOD THE CUSTOMER USES A PART FOR THIS MANITOWOC EQUIPMENT OTHER THAN AN UNMODIFIED NEW OR RECYCLED PART PURCHASED DIRECTLY FROM FRYMASTER DEAN OR ANY OF ITS AUTHORIZED SERVICE CENTERS AND OR THE PART BEING USED IS MODIFIED FROM ITS ORIGINAL CONFIGURATION THIS WARRANTY WILL BE VOID FURTHER FRYMASTER DEAN AND ITS AFFILIATES WILL NOT BE LIABLE FOR ANY CLAIMS DAMAGES OR EXPENSES INCURRED BY THE CUSTOMER WHICH ARISE DIRECTLY OR INDIRECTLY IN WHOLE OR IN PART DUE TO THE INSTALLATION OF ANY MODIFIED PART AND OR PART RECEIVED FROM AN UNAUTHORIZED SERVICE CENTER THE CABINET IS NOT SUITABLE FOR OUTDOOR USE WHEN OPERATING THIS UNIT IT MUST BE PLACED ON A HORIZONTAL SURFACE THE CABINET IS NOT SUITABLE FOR INSTALLATION IN AN AREA WHERE A WATER JET CAN BE USED THIS APPLIANCE MUST NOT BE CLEANED WITH A WATER JET FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE DO NOT OPERATE OR SERVICE THE CABINET WITHOUT FIRST READING THIS MANUAL DO NOT OPERATE THE
19. VA UJ A TV NIIASHALL 43MOd 1510 41d 58 X18 9SC aL SGT IT i 3553553 99 108 wwn 18 30 9 O 2 Z HOLIMS M3MOd 109 vWw 18 X18 O m dol 2 301 1 7267208 7267408 _________ L 109 gt oe 9767108 LNOY4 9767 08 1d 38 LHM OV 30 gt SYaLV3H 2 LNOY4 RE SAV dSIO JT3HS rm LHM 18 gt Gay Z Nid 6 108 Nid OZZM 5 dW3L 3WLL zuo 1 9167 08 6 87 08 NH9 96 OY TT onim o CO ny ro erre AV ldSIQ M3ISVW O IOMINOO 5 1 9 6 tisy QN93 NAN IHd SNOILVOINANWOO 5 5 Cabinet Wiring Diagrams V 0cS08 9 108 WV 18 9 401 18 S 109 VWW 18 dol Aw 18 108 vww 18 S LNOYS dOL AAAA 9767 08 SYSLV3H LNOMJ ITIIIII SAV 18519 13 5 cri 52 Nid 2 Q34 L Nid o a gt m zm X m T RZ LHM 26 831114 YaMOd 71510 28 i 262 Zn Ir e als O8 vw 18 1 dol ANVv
20. ater plate RTD resistance chart terminal on the board and the terminal block for the suspect heater Note Line voltage 1s only seen when the row is calling for heat 2 Check for line voltage between Distribution Board Message Test Unplug top board Board 0 message bottom board is 1 the power input terminal and the Board 1 message bottom board is 2 terminal block See Board Error Messages 3 Check for paseo 5VDC at the power in terminal and the terminal block for the power supply en A d e ua es E lr l s zt i NOTE After testing reconnect all connections to their original positions 2 5 4 Display 1 Remove power from unit Connect the ribbon cable from a suspect display to the connector of a properly working display to isolate the problem to the display or the distribution board 3 Reapply power to cabinet U fL m AD AF 1 mmm 1 n Fig 7 Distribution board shown with display cables removed 2 8 Cabinet Service Procedures 2 5 5 Shorted Triac 1 Turn the suspect row off and measure voltage between the suspect heater lead on the distribution board and the terminal block With the row off there should be no line voltage If the triac is shorted you will measure AC line voltage If the triac is half waving you will get DC voltage of approximately one
21. binet Wiring Diagrams Delta Power L1 L2 without Diagram ing Natural Convection 3 Row Wir LON VLV O0CcSO8 LHM 26 0 eS gt E GIL O08 N M 18 6 401 WW 18 BLL LOY LLL C dOL AAAA OLL L LOG www 18 VIL dOL AAAA 18 Ll Sa3lvaH ddl 194 YsMOd 1510 108 O N T amp A 1 7 dO C VINE 108 V V V V V 108 1 dOL diN3L 3WIL MVM ANI 1 84 A 1816408 rot Tg vC6v 08 vC6v 08 INOJ v66v 0g 9v 6v 08 7108 6 08 E LNOMH SAVldSId J13HS 08 Me OA V gsn 5287408 c Cv G 9 ENE LL cL AV 1dSIg ESL YJLSYN Ln Z L C S1Z1110169 9GSr Zl O IOYLNOO q31SVN SL8vVL08 SINT 19 18 JV NISL IVNIN331 a 222 2222 a a 10 NIT 22 222 LHM 34 1 5 1
22. enu cabinet configuration in the root file into the USB port of a cabinet to be pm ANTE 21515 identically configured E s o s Press the programming key and enter 31 090709 with the keypad A cabinet configuration can be transferred to multiple Press OK cabinets with a captured configuration held on a flash The master control will display drive RECONFIGURE UR CANCEL Press OK The master control will display PLEASE WAIT as the files are updated changing to the number of files copied Press OK The cabinet will return to the original menu setting changing row position displays to match items introduced with the configuration transfer Cabinet Access Codes Code Function 4557 LON Works service pin 090809 View software versions 1111 Service test mode 090709 Update language file Setup Change from 6 row to 3 row front display only SPOD for 3 or 6 row cabinets See instructions for use on page 2 10 2 3 Cabinet Service Procedures 2 2 Placing the cabinet in Service Mode The cabinet can be put in service mode a diagnostic settings which allows the heater plates to be controlled individually brightness settings on the displays adjusted and re addressing for unique arrangements of bezels Follow the steps below Switching Heater Plates Off Individually When troubleshooting it may be useful to switch heater plates off individuall
23. half the line AC voltage 2 5 6 Heater Plate 1 Disconnect power to the cabinet Remove side and top panels Disconnect the black heater lead and the RTD leads brown and red of the suspect plate from distribution board Measure resistance of the heater from the black lead to any terminal on the white terminal block Resistance should be 140 150 ohms 2 Measure resistance across the brown and red RTD leads Resistance must be within a range of 104 148 ohms Resistance at room temperature is approximately 107 ohms See chart on Page 2 4 for resistance at different temperatures If either resistance is incorrect replace the heater plate 2 5 7 Display Meanings 1 ROW TEMP HIGH OR ROW TEMP LOW and no audible alarm This is normal when the row is changing temperature in association with a menu change 2 LLLL means the RTD indicates a temperature below 50 F 10 C Unit will automatically heat at 20 percent until temperature is above 50 F 10 C then operate normally 3 HHHH means RTD indicates the temperature is above 255 F 124 C but below Open circuit resistance which causes SENS ALARM 4 UHC VERSION version number will vary appears for five seconds when the unit is turned on 5 The cabinet also displays a variety of error messages which are shown on page 3 1 Fig 8 Two screws see arrows at the base of each side of the cabinet secure the sides 2 6 Removing Replacing Bezels 1 Remove power from uni
24. lay and the row displays show error messages when there is a problem The messages are shown in the matrix below along with possible causes and diagnostic tests Error Message CALL SER ERRUR Row number also displayed CALL SERVIC BOARD ERRUR UR DISTRIBUTION BOARD 1 ERRUR CALL SERVICE BUISTRIBUTIDO BOARD ERROR DISTRIBUTION BOARD ERROR CALL SERVICE RATE OF RISE CALL SER RISE BUT ILE RATE OF CALL SERVICE ROW TEMP TOO HIGH CALL SERVICE BOT ROW TEMP TOO HIGH CALL SERVICE TOP ROW TEMP TOG COOL CALL SERVICE BOT ROW TEMP 00 001 CALL SERVICE TOP SENSOR ERROR HI CALL SERVICE SENSOR ERROR TEMP CALL SERVICE TOP SENSOR ERROR LOW TEMP CALL SERVICE SENSOR ERROR LOW E DISTRIBUTIO ROW DISPLAY n Cause The master control board has lost communication with the specified board The master control board has lost communication with the top distribution board Cabinets built after 11 1 10 display Board 1 for the top board The master control board has lost communication with the bottom distribution board Cabinets built after 11 1 10 display Board 2 for the bottom board Row s top plate failed to reach required temperature in prescribed time window after startup or when switching between menus Row s bottom plate failed to reach required temperature in prescribed time window after
25. n the cabinet The top is secured with at the tabs with screws Fig 1 The sides are held in place by screws near the base of the unit on each side NOTE Cabinet shown is original UHC HD The later design with a flat top disassembles the same wav 2 1 Updating Software Capturing Configurations The five sections of software on the cabinet can be updated individually To ensure compatibility between cabinet software and replacement boards the software should be updated to the latest version at any board replacement Follow the directions below Keypad Enter Power Switch Cycle SCORING power between each revision update Programming k y OK Press to confirm Arrows Scroll to Press prior to entering choices choices programming code Software updates use the master control display to enter programming codes scroll to areas to be revised respond to questions and exit The control is annotated above The arrow and OK buttons are illuminated when active Check Existing Versions 1 With the unit powered up press the programming key NOTE If the master control 2 Screen scrolls Enter Access Sequence displays an error message 3 Enter 090809 on keypad during the install process turn 4 Press OK the cabinet off for 30 seconds 5 Scroll with arrow keys to view all software revision numbers and back on Repeat install Main steps e Boot Loader Master Display e Distribution Board e R
26. nent shelf is accessed by removing two screws on each side of the unit Fig 1 2 Lift and remove the sides which exposes screws that hold the top in place Fig 2 3 The components for the original cabinet and the natural convection model are annotated below Fig 3 4 NOTE The component shelf changed with the introduction of the natural convection UHC HD The fans are removed and the power supply is mounted on the right side of the unit 2 5 Cabinet Service Procedures Line filters Master Control board LON board Power relay NOTE Power supply on this Display board model is on the right cabient side Figure 3 Natural convection design component shelf Master Display board LON board Master Control board Line filter Cooling fans Power relay Line filter Power supply Figure 4 Original design component shelf Cabinet Service Procedures 2 4 Circuit Board LED Diagnostics Master Control Board HB LED is heartbeat should be flashing when in the normal in use mode Flash rate is not critical Fig 5 Master Control Board LED s e ACT LED similar to HB but flashes at a faster rate OK LED toggles each time a valid communication packet is sent and received Normally a very fast flicker e ERR LED toggles when a communication error is detected it s not unusual to see a flash but regular flashing means communications problems LEDS LED6
27. oved to the right side The cabinets functionally are otherwise the same The cabinet without fans has a flat top A ribbon cable connects the master control board to both distribution boards Ribbon cables also connect the distribution boards to the displays The resistance of RTD s attached to the heater plates is monitored by the distribution boards The board switches power through solid state relays to the heater plates when the resistance which is used as an indicator of temperature falls out of the range for the product held in the cabinet The switch relay master control master control board line filter board line filter cooling fan original design and power supply original design are mounted under the top of the unit The cabinet is programmed using the key pad on the front bezel 1 1 Cabinet Service Procedures 1 3 Start Up Indicators and Test Points il b WI k 1 IP ii Distribution boards shown with ribbon cables removed Upon startup the cabinet beeps LED s on the distribution boards flash The displays show the version number of the cabinet s firmware and then the row s status Cabinet Service Procedures 2 Service Procedures DANGER Failure to disconnect power from the unit before servicing could result in serious injury or death The cabinet power switch DOES NOT disconnect all incoming power to the cabinet Fig 2 Tabs in the topcap extend to holes i
28. ow Display 6 Press OK 2 1 Cabinet Service Procedures Update Boards Loading Sequence 1 Turn power off Software should be loaded in this 2 Insert flash drive in USB port located on cabinet bezel sequence 3 Turn power on e Main Board 4 Cabinet displays version numbers followed by current menu e Language setting e Row Display 5 Press programming key e Distribution Boards 6 Screen scrolls Enter Access Sequence If the software update only involves a few p oe with keypad of the components follow the loading 9 Scroll with arrow key until software section see loading component sequence box to be updated is displayed on master control board 10 Press OK m 11 Screen displays Copying Files Please Wait This takes Incompatibility Message several minutes The cabinet can display an incompatibility 12 Screen messages will vary depending on software section message during software upgrades The being installed Follow screen instructions buttons will remain active Follow the 13 Screen displays Complete loading sequence and the incompatibility is 14 Press OK corrected as the software components are 15 Screen displays Main Boot Loading and a percentage of loaded completion 16 After 10096 is displayed screen goes blank and returns to menu display 17 Turn cabinet off for 30 seconds and back on Update Language File 1 With the unit on press program button 2 Enter 090709 with
29. qus 5 JHS 418 9 Nid ANS EI wr NYS X18 v Nid wid m 08 z v Nid l Siu ERE gt gt Z Nid o S Nid H ano O pum Q3M 1 w x a ug os UJ LHM 26 AD Y31714 M3MOd 71510 LHM 24 FG 59 osz MOLSIMVA 9 5 0148 z cl Wee 29 L 1 yg 6 IL gl c ae Z T T B DS cz WW 401 dOl ERE L 108 108 LM ND Tn Z 01 911 vZ6v 08 26 08 LNONJ L u L LOB v LL 7267708 A uh 9767 09 Fanaa N Z 9v6v 09 01 M 9767 08 d m SM3LV3H 6r 9d nD LNON4 EE Td J13HS 83113 H3MOd OZZM Nid ru 059 5 gt 2267408 T Gay Nid 5 QNO L16v408 V T1B LHM NAN NOS 9167 08 xs GZ6v 08 4 Z Et 8 08 erig 6 LL ZL AV 1dSIG viet 519 OP IOSLNOS ISESVIN amp Esp Le 8 08 aon 3 2110168 96 21 SNOILYOINAWWOO NYO 214 5 3 Cabinet Wiring Diagrams Natural Convection Wiring Diagram Delta Power L1 L2 without LON
30. startup or when switching between menus RTD sensor is producing a reading that is out of range The problem can be a failed RTD heater or distribution board Shown on master control display Shown on affected row display Tests Turn the cabinet off and back on Ensure there are no software incompatibilities Inspect ribbon cable connections A display connection can produce this display Before replacing a distribution board remove power from the unit and disconnect the displays from the affected distribution board Return power to the unit and one at a time plug in the displays cycling power each time If the problem is display related it will go away with the affected display disconnected Turn the cabinet off and on which can clear the problem if it is software related Check top plate RTD output against chart on page 2 4 Enter service code see page 2 1 and switch top plate on and off to ensure it is responding to cabinet circuits Check for environmental causes AC vents cold trays etc Turn the cabinet off and on which can clear the problem if it is software related Check bottom plate RTD output against chart on page 2 4 Enter service code see page 2 1 and switch bottom plate on and off to ensure it is responding to cabinet circuits Check for environmental causes AC vents cold trays etc Compare plate temperature to displayed temperature Compare plate RTD resistance to
31. t NOTE Readdess the cabinet if 2 Remove screws at the base of each side and remove side multiple display d removed and reinstalled during a service panels See figure 8 _ procedure such as a heater plate 3 Unplug the bezel from the distribution board replacement See page 2 5 4 Plug the replacement bezel Into the distribution board return power to the unit and test the bezel cabinet for accurate operation 5 Remove replacement bezel and remove power from the unit 6 Loosen the hex nut which secures the row and remove the allen screw which holds the bezel Also remove if present the small bezel securing screw See photo below 7 Push if necessary on the mounted bezel through the access port in the inner panel to loosen the bezel See Figure 9 below 8 Remove bezel clean and degrease the groove in the heater plate 2 9 Cabinet Service Procedures Route ribbon cable for the new bezel through the inner panel of the cabinet and press the new bezel into place Ensure it is firmly seated and tighten hex nuts and replace allen SCIOWS 10 Return sides and reposition cabinet for operation Board Replacement on SPOD 3 Row Units NOTE IF replacing a master control board on a SPOD front bezel displays only 6 or 3 row or 3 row dual side display unit the cabinet must be reset for that style of operation Service boards are defaulted to operate on 6 row dual display units Follow the instructions below Af
32. ter the board is replaced return power to the unit Press the programming key on the master display and enter 11111 5 175 Scroll through options on the master display with the illuminated gt key 6 shelf single side 6 shelf dual side 3 shelf single side 3 shelf dual side With the desired configuration displayed press the illuminated OK key Are You Sure appears on the master display screen Press OK Fig 9 Loosen the hex bolt and remove the allen screw arrows upper photo Some row positions may have an additional screw securing the bezel to the cabinet lower photo Push through the access port arrow upper photo if necessary to remove the bezel from the cabinet 2 6 1 Removing Replacing a Distribution Board or Communication Board 1 Remove power 2 Remove and mark the wires on the faulty component 3 Remove the board by lifting it from its standoffs 4 Position the new board and attach Wires 5 Reapply power 6 If applicable see SPOD 3 row instructions above 7 readdress steps on page 2 4 2 6 2 Replace a LON Board 1 Remove power Access the component shelf as describe in 2 3 Remove the board marking the wires for attachment to the new board Position the new board and attach the wires Reapply power and allow the unit to boot up to a steady display 2 10 Fig 10 A row is shown partially removed from the cabinet Cabinet Service Procedures 6 Continue
33. the keypad 3 Press OK 4 Screen displays Reconfigure OK or Cancel 5 Press OK 6 Screen displays Please Wait Lang Bin 7 Screen displays 9 files copied 8 Press OK 9 Screen returns to normal display 10 Turn cabinet off for 30 seconds and back on Capture Cabinet Menus Configurations The menu items and cabinet configurations in a cabinet can be captured and used to configure cabinets with identical software setups Follow the instructions below to capture the menus s and configuration from a cabinet Insert an empty flash drive in the p USB socket on the cabinet with o e menus and configurations to be copied The mn of a cabinet can be captured on an empty 2 Press the programming key flash drive for transfer to cabinets with the same software 3 Enter 759248 with the keypad setup 4 Press OK See Exporting and Importing named 2 The master cous ol will display L P 5 configurations in the user s manual 819 6560 on FROM UHC USB page 3 11 2 2 7 8 9 Cabinet Service Procedures Press OK The master control displays PLEASE WRIT as files are transferred to the flash drive changing to the number of files copied when the process is complete Press OK Remove flash drive 10 Cabinet returns to normal display Configure Cabinet with Menu Configuration Captured on another Cabinet l Place a flash drive with only a captured m
34. used for programming debugging have no diagnostic function e LED7 When lit the master control is executing a time or temp query operation on the front side LED8 When lit the master control is executing a time or temp query operation on the back side Distribution Board e HB LED is a heartbeat LED toggles on off to indicate processor is running e ACT LED flashes when it receives a valid communication packet it should be flashing every few seconds or faster e LED3 Toggles if there is a communications error on a packet directed to the distribution board Can flash on occasion shouldn t flash regularly e LEDI flashes if there is voltage being applied to one or more heaters on that distribution board one or more plate 1s calling for heat Fig 6 Distribution Board LED s 2 7 Cabinet Service Procedures 2 5 Tests 2 5 1 Power Supply Sensor Sensor F Resistance C 1 Disconnect power and check all terminals and connections for loose or disconnected wires 80 110 380 26 66 2 Apply power and check for 5VDC at the power in 90 112532 3222 terminal on the distribution board and chassis ground 2 5 2 RTD 1 Remove the leads from the suspect RTD and test for resistance Selected temperatures and resistances are AME B show in chart at right NOTE After testing reconnect all leads to their original positions 2 5 3 Distribution Boards 1 Check for line voltage between the he
35. y Follow the instructions below P P ns 5 6 Press the programming key Enter 1111 at the Enter Access Sequence prompt The screen will scroll Row 1 Top Heater Off pressing OK turns it back on Voltage can be measured between the plate specific heater leads on the distribution board and the common block to the right of the distribution board as the heater plates are switched individually on and off Scroll to other plates with lt gt Ensure the plates on before backing out of the Service Mode with the Adjusting Display Brightness When multiple row positions are timing the same item the display with the least remaining time is the brightest All others are dimmer as are positions not actively timing a product The relative brightness of the bright display and the dim display can be adjusted Follow the instructions below St E 10 11 12 Press the programming key Enter 1111 at the Enter Access Sequence prompt Press OK The screen will scroll Row 1 Top Heater Off Scroll with through all the Heater Plate prompts until the screen displays Press OK to Adjust Bright Row Display Press OK The cabinet s row displays become Decrease Increase 88888 20 Press the timer button next to the Decrease display to lessen the brightness the number displayed at the right will decrease Press the timer button next to the Increase display to increase the brightness 20 1s the maximum Press O

819-6606 - Frymaster

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