PARTS & SERVICE MANUAL
Contents
1. LETTER PART NUMBER DESCRIPTION 369418 Heating Element 208V 1PH 369419 Heating Element 240V 1PH 369450 Heating Element 220V 1PH A 369456 Heating Element 380V 1PH 369476 Heating Element 220V 3PH 369477 Heating Element 240V 3PH 370105 Heating Element 400V 1PH 370165 Heating Element 230V 3PH B 370409 Blower Impeller Mixed Flow C 369408 Air Pump D 369192 Capacitor E 370101 Mounting Bracket Capacitor 369485 Motor Main Fan 60HZ 1PH 208V F 369480 Motor Main Fan 50 60HZ 1PH 220 240V 369423 Motor Main Fan 50 60HZ 1PH 208 240V G 369940 Motor Mount H 9002997 Motor Plate Assembly 369474 Insulation Air Pump Panel J 369936 Plenum Barrier Panel K 369470 Insulation Seal L cdi Air Outlet Duct Assembly 369935 Cover Plate Domestic all models except 400 230V 3PH 370728 Cover Plate CE 400 230V 3PH model only Not Shown 370020 Motor Cover Assembly see General View section for illustration Not Shown 369453 Flue Duct Assembly see General View section for illustration Digital Countertop Service Manual Digital Countertop Service Manual OVEN BACK ASSEMBLY VIEW 27 28 STANDARD LETTER PART NUMBER DESCRIPTION 369443 Complete Standard Conveyor Assembly 31 length A 369462 Idler Axle B 369515 Drive Sprocket C 369516 Conveyor Bearing D 369463 Drive Axle E 369471 Rol2. Lincoln PARTS amp SERVICE MANUAL Digital Countertop Series 2500 REV 9 10 10 Lincoln Foodservice Products LLC 1111 North Hadley Road Fort Wayne Indiana 46804 Telephone 260 459 8200 Fax 888 790 8193 Technical Support 800 678 9511 lincolnfp com MODEL NUMBER KEY EXAMPLE 2501 000 U 0001620 0 Platform Size Agency Code i e CE amp RoHS combined Custom Configuration Code i e General Market Version Language Code Indicates voltage i e 208V 1 phase 60 Hz Model i e Digital Countertop Finger Setup CODE LANGUAGE COUNTRY CODE LANGUAGE COUNTRY 0 English Dom amp Int Default N Finnish Finland French France Luxembourg Restricted Norwegian Norway D Italian Italy Q English Japan E Spanish Spain R Swedish Sweden F English UK India Africa Hungary S English Australia G Spanish Mexico Latin America T Mandarin China H Portuguese Portugal U Restricted Not Used V English Pacific Rim Korea J Danish Denmark English Middle East K Belgium x Not Used m L Dutch Netherlands Y Not Used Greek Greece Z Not Used AGENCY CODE TABLE CODE AGENCY N No Agency E CE amp RoHS compliance combined U US amp Canada compliance only A Advantage style oven to be phased out B Australia AGA Digital Countertop Service Manual SEQUENCE OF OPE
3. DIAGRAM 268000002 Jain 0 183 313 9N 1V3H AvV138 18 1 NOLOM NJAO 4014314102 83981411 p 941005 NOLO 2 VNVIONI 3NAVM 1404 lens e EG 13NYd HOLIMS 3NYHGW3M 15 D 85143313 9NI1V3H H ZH IH ul 2 NJAO LIMIT IH LYASONUIHL EL 3 ejompoxg 9NI1002 1YISOMN3HI 21 VS 75108102 NOION 3504 14 4311081NOD ULND EE Av138 31V1S 01105 YSS SOLIIVAVD 2 1003 1138 23 Th 59 73 y S N01123NNOD IW 15 705 1 09134 02 S HE s mE she 9 8012390 1 m Digital Countertop Service Manual TROUBLESHOOTING GUIDE SYMPTOM POSSIBLE CAUSE EVALUATION Oven fan will not run Incoming Power Supply Check circuit breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed 5 Amp Fuse and Fuse Holder Check fuse for continuity replace if necessary Check fuse holder for line voltage Hi Limit Thermostat Control Box Terminals are normally closed and opens at 140 60 if open reset thermostat and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Oven Power Switch Check for 208
4. continuity replace if necessary Control Box Hi Limit Thermostat Oven Power Switch Check for continuity through the switch T2 Terminals are normally closed and open at 140 60 if open reset thermostat and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 replace thermostat Check for 208 240VAC supply to switch If no voltage is present trace wiring back to fuse holder and control box high limit thermostat T2 Check continuity between switch terminals Replace switch as needed Cooling Fan Motor Check for 208 240VAC supply to the cooling fan If no voltage is present trace wiring back to the relay R2 If voltage is present and motor does not run check for opens shorts or grounds WITH POWER OFF Check for locked rotor Cooling fan continues to run Control Box Thermostat Check cooling fan thermostat Thermostat closes at 120 F 49 and opens at 100 F 38 C Please note Thermostat will remain closed if control box temperature remains above 120 F 49 Oven will not heat Cavity High Limit Thermostat Check High Limit Thermostat T1 for continuity through switch Terminals are normally closed open at 660 F 350 If open push in reset button and retest If thermostat will not hold for maximum oven temperature and oven is not exceeding temperature dial setting check for proper location of capi
5. 2 1YISOWU3MI 21 YS 51081902 P NOIOM 3504 13 2 7011403 11111 C gov 4311081802 8109 pono 3115 01105 uss 89 A18N3SSY 4011384 2 183 12 NMOG 1009 138 1 1 30119 4 gt 2 AO KO HILIMS 38055384 NIV SdV 81 8 02 v GD aD a GD tp q n CY 2 tO T D m z 18113 18084 801234802 m Digital Countertop Service Manual SCHEMATIC DIAGRAM 2505 000 851000002 NJAO dOLYILNNOI YIONI WI VNVIONI 3NAVM 1804 ou ejonpog our 811A 150811 801291802 Im 5838 1818 7081NOD U3NHOJSNYHI 900 100 f 314f020NN3Hl 2018 TYNIW331 NJAO 11WI1 IH 1VISONN3HI 9N11002 1VISONN3HI 1031402 LIMIT IH 1VISONN3H 186 Av138 31415 01105 0 ux 01 21 81 1 e 11 uss NMOG 1003 Av138 183 313 ONII1V3H 1V138 IU 303 YOLOW 100 8O10N ZW NIVN 3010 IN HOLIMS JNVYGNIW 15 1N3W313 9NI1Y3H H VS 81081803 HOLOW 3Sfi 14 8311081802 81 2 434 v388 1102812 82 YOLIIVd D I 81 18 C 6 o D D 7 Qn am 69 3 aja 9 Digital Countertop Service Manual 2508 000 2509 000 2512 000 2512 004 SCHEMATIC
6. 240VAC supply to switch If no voltage is present trace wiring back to fuse holder and Control Box High Limit Thermostat Check continuity between switch terminals Replace switch as needed Oven Fan Time Delay Relay and Oven Fan Relay Check for 208 240VAC at terminals 1 and 6 on Time Delay Relay TD If no voltage is present at TD check Main Switch If voltage is present at TD 1 and 6 then check for 208 240 VAC output to Oven Fan Relay R2 coil If no voltage is present replace Time Delay Relay If voltage is present check normally open N O contacts of relay R2 for 208 240 VAC on both sides of the contact If voltage is present to coil and to one side of the N O contact but not the other replace relay If voltage is present then proceed Main Fan Motor and Capacitor Check for 208 240VAC supply to the motor If no voltage is present trace wiring back to the relay R2 If voltage is present but motor does not turn WITH POWER OFF Turn fan blade to check for locked rotor WARNING Capacitor has a stored charge discharge before testing Check capacitor with multimeter Check motor for opens shorts or grounds No Control Box Cooling Fan Incoming Power Supply Check circuit breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Digital Countertop Service Manual 5 Amp Fuse and Fuse Holder Check fuse for
7. 415V Green 200V 3 PH Orange 380V 3 PH Violet 400V 3 PH Brown 415V 3 PH Green Oven will not heat Thermocouple type j testing WITH POWER ON AND THERMOCOUPLE ATTACHED TO THE OVEN CONTROL Measure the DC millivolt output of the thermocouple Refer to the chart below for readings If these are not achieved replace thermocouple TEMP F D C MILLIVOLTS APPX 200 93 34 250 121 4 9 300 149 6 5 350 177 8 0 400 204 9 5 450 232 11 1 500 260 12 6 550 288 14 2 600 316 15 7 Temperature Probe Placement To verify the oven cavity temperature insert your temperature meter probe tip under the conveyor and approximately 3 8 10mm into the bottom finger 4 3 row from outside edge 3 hole from the rear This process is also used when calibrating the oven temperature Allow temperature in oven to stabilize for 30 minutes before calibrating Note For best result we recommend disconnecting the conveyor drive coupling to stop the conveyor from moving Conveyor will not run Control Transformer With the Main Fan Switch S on check for 208 240VAC at the primary of the transformer If no voltage is present check for voltage at the 10 Digital Countertop Service Manual Digital Control power switch If voltage is present at the primary check for voltage on the secondary side of transformer 24 VAC If no 24 VAC present on secondary check circuit breaker CB o
8. 80H5 Digital Countertop Service Manual CONTROL PANEL ASSEMBLY MODELS 2512 000 2512 004 2509 F06 LETTER PART NUMBER DESCRIPTION A 10004413 25A SSR 3PH B 369507 Cooling Fan Thermostat C 370732 Transformer D 70002102 Mounting Plate E 370740 Rail Contactor F 9002882 Terminal Bracket Assembly G 371155 EMI Capacitor H 370117 Terminal Block 5 Pole 370739 J 370466 Module Time Delay 230V K 369422 Relay L 369430 Air Switch M 369431 Hi Limit Control Box O M ic 9 83460020 9 3 Be L E K F J Digital Countertop Service Manual CONTROL PANEL ASSEMBLY MODELS 2508 000 2509 000 LETTER PART NUMBER DESCRIPTION A 10004413 25A SSR 3PH B 369507 Cooling Fan Thermos
9. RATION Power Supply Electrical Power is supplied to the oven by a three conductor cord set Black conductor is HOT White conductor is HOT Green conductor is ground Line voltage is supplied through the fuses F1 F2 and line one L1 through the manual resettable control box high limit T1 to the ON OFF switch the Cooling Fan Thermostat T2 the Cool Down Timer TD and to the Main Fan Relay R2 Control Box Auto Cool Down The cooling fan thermostat is connected to the axial fan that cools the control box Line two L2 connects to the other side of the Control Box Cooling Fan motor bypassing the ON OFF switch The thermostat closes at 120 F cycling the fan keeping the control box below 120 F Main Fan Circuit Upon activating the ON OFF switch power is supplied to the Cool Down Timer TD through the timer TD to the Main Fan Relay R2 through the relay R2 to power the Main Fan M1 Heating Circuit When the heating contactor then closes supplying line voltage to the SSR for the heater Line voltage is then supplied to the element through the SSR as needed to maintain set point temperature Oven Control Upon closing the ON OFF switch the transformer is supplied line voltage and then supplies 24 VAC to the control board and controls the conveyor motor The control reads the thermocouple and cycles the SSR to the heater to maintain set point temperature The control board also reads the input from the key
10. enching B 371109 Control Board C 10004756 Membrane Switch with Buttons models except 2501 002 and 2502 002 371108 Membrane Switch with Buttons Models 2501 002 and 2502 002 only Digital Countertop Service Manual CAVITY ASSEMBLY LETTER PART NUMBER DESCRIPTION A 90000140 Cover Panel Assembly Left Side B 70001559 Cover Front Top C 90000142 Cover Panel Assembly Right Side D 369495 Conveyor Baffle E 370656 Lower Air Duct Panel all models except 2501 002 amp 2502 002 370655 Lower Air Duct Panel models 2501 002 amp 2502 002 only F 370913 Top Air Duct Panel all models except 2501 002 amp 2502 002 Digital Countertop Service Manual 17 18 CONTROL BOX LETTER PART NUMBER DESCRIPTION A 369413 Key Square Drive 369460 Compression Spring C 350259 Screw THMSS 6 32 x 3 8 D 369410 Coupling Sleeve E 70001433 Plate Reinforcement F 369953 Flat Washer G 70002100 Fan Cover H 370749 Strain Relief J 370364 Ground Lug 371154 EMI Filter models 2512 000 2512 004 2508 000 2509 000 2509 F06 371157 EMI Filter models 2504 000 2504 001 2505 000 2514 000 L 357067 Switch Hi Limit 7 370342 Fuseholder HTB 361 369492 Fuse Time Delay 5A N 370767 Circuit Breaker 371110 Motor Stepper P See Control Panel Assembly section in this manual Q 7009014 Fuse Cover R 90001070 Cover Assembly Control Box No
11. estal off outer back assembly Remove four 4 nuts from front motor studs and remove mounting pedestal Reassemble in reverse order and check operation Digital Countertop Service Manual 13 NOTE Be certain to replace insulation seal when oven back is re installed pn 369470 Conveyor 14 To remove or add section of Belting Locate connecting links on the conveyor belt turn belt to place the links on the top left end of the conveyor approximately 8 203mm from the shaft If belt is too tight or loose a belt link will have to be installed or removed Proper tension allows the belt to be lifted within 2 51mm from the top of the conveyor opening You can remove the connecting links by grasping them with a pair of pliers and slipping the eye of the connecting link over the wire of the other belt links Remember this process for reinstallation To add a belt link just insert or snap in one belt link at a time into the last link of the upper section of belting To remove a belt link just grasp the end of the last belt link of the upper section and pull out Reconnect connecting links by reversing process as they were removed To replace Belting Remove the connecting links by grasping them with a pair of pliers and slipping the eye of the connecting link over the wire of the other links Also notice the direction of the opening on the links The belts will have to be reinstalled with the
12. l Pin 5 32 x 7 8 F 1343 Entry Shelf 12 1344 Entry Shelf 4 G 369412 Conveyor Splice Clip H 369411 Conveyor Belting 370185 Conveyor Belting 1 foot section 1341 Exit Shelf 12 1342 Exit Shelf 4 J 370094 Conveyor Frame Assembly Digital Countertop Service Manual EXTENDED CONVEYOR Digital Countertop Service Manual LETTER PART NUMBER DESCRIPTION 369909 Complete Extended Conveyor Assembly 49 length A 369462 Idler Axle B 369515 Drive Sprocket C 369516 Conveyor Bearing D 369463 Drive Axle E 369471 Roll Pin 5 32 x 7 8 F 369943 Conveyor Frame Extended G 369412 Conveyor Splice Clip H 369481 Conveyor Belting Extended Conveyor 370185 Conveyor Belting 1 foot section J 369921 Roller Slider Bed K 369954 Pop Rivet S S L 369922 Support Rod M 370172 Crumb Pan Support RH N 370171 Crumb Pan Support LH Not Shown 1345 Pan Stop Not Shown 369489 Crumb Pan Assembly A C C 29 30 This page intentionally left blank Digital Countertop Service Manual Digital Countertop Service Manual This page intentionally left blank 31 Lincoln m Gan STAR CERTIFIE D SERVICE ARTS
13. llary bulb in its bracket If in proper location and Hi Limit continues to trip replace Hi Limit Thermostat Heating Relay Control Transformer Check for 208 240VAC at coil of Heating Relay R1 If no voltage is present at coil then check Cavity Hi Limit If voltage is present at coil then check for 208 240 at output of relay If no output voltage replace relay Check for 208 240VAC at the primary of the transformer If voltage is present check for 24 on secondary side If no 24 VAC is present check circuit breaker CB on transformer If circuit Digital Countertop Service Manual breaker is not open and still no secondary voltage then replace transformer Solid State Relay Check for 24VAC at terminals A1 and A2 of the Solid State Relay SSR If no voltage is present then perform thermocouple checks Thermocouple type j testing If thermocouple checks good and still no voltage at terminals A1 and A2 then replace control board Heating Element If 24 is present at output of SSR but no heat check for 208 240 at element terminals Check amp draws at each supply line 208V oven is rated at 29 amps Element is 5600W with a cold ohms reading between 8 51 to 7 36 240V oven is rated at 24 amps Element is 5600W with a cold ohms reading between 11 33 to 9 81 If voltage is present but no amp draw replace element 208V Red 240V Blue 220V Yellow 200V Orange 380V Violet 400V 1 PH Brown
14. n transformer If still no secondary voltage then replace transformer Check for 24 VAC input to the control board at terminals J1 and J2 Check for 5 2 between A and on Conveyor Motor If resistance is 5 2 O replace main control board Conveyor will not run Conveyor Motor The GE conveyor motor on the 2501 2502 is a stepper type The only way to accurately test the unit at this time is by measuring the resistance between the windings From to A and from to B should measure approximately 5 2 ohms If the motor fails the above test replace motor Conveyor motor runs but Transformer intermittent or no speed control Check 208 240 input voltage to transformer If no voltage present check the On Off switch S and the Control Box Hi Limit T1 for continuity Also check 5 amp fuses F1 F2 for continuity If voltage is present Check for 24VAC output from transformer If no voltage is present check circuit breaker CB on output of transformer if still no secondary voltage from transformer replace transformer Conveyor Control Check for 2 29VDC output from conveyor control at J3 2 and J3 1 If no voltage present but 24 VAC input at J1 and J2 replace main control board Conveyor Motor The 4 wire conveyor motor on the 2501 2502 is a stepper type The only way to accurately test the motor at this time is by measuring the resistance between the windings From to A and from to B sh
15. on Be sure capillary tube is held securely in the bracket and the reset button has been pushed in and set NOTE All excess capillary tubing should be brought back into control box area Be certain to replace insulation seal when oven back is re installed Thermocouple Replacement WIT OVEN POWER OFF NOTE Remove oven back assembly See OVEN BACK REMOVAL Remove thermocouple sensor from wire form in rear of oven cavity Disconnect and mark wires from control board red neg white pos and remove thermocouple Reassemble in reverse order keeping junction inside the control box and not in the heating cavity Check operation Be certain to replace insulation seal when oven back is re installed 369470 Power Switch Replacement 12 OVEN POWER OFF Remove conveyor and oven side panels Remove two 2 screws from ends of control panel and remove panel Disconnect four 4 wires from switch assembly Mark wires for reinstallation Depress clips on side of switch and remove from panel Reassemble in reverse order and check operation Digital Countertop Service Manual Main Fan Removal ul OVEN POWER OFF Remove oven back assembly See OVEN BACK REMOVAL Loosen two 2 screws on fan hub and slide fan off of motor shaft Note location of fan on motor shaft for reinstallation is 3 16 4 5 mm from back wall Reinstall in reverse order and check system operation Allow 30 minute prehea
16. opening facing the same way Carefully pull out the belt rolling it up as you go To reinstall put the loose end of the belt around the idler shaft and back on the conveyor The belt must be routed on top of the lower conveyor slider bed NOTE If the belting does not curl around the sprockets and lay flat remove the belting and turn the belting over Remove belt links as needed for proper tension Reconnect connecting links by reversing process as they were removed Digital Countertop Service Manual GENERAL VIEW LETTER PART NUMBER DESCRIPTION A 340038 Switch Lighted Rocker B See Membrane Switch Assembly Section in this Manual C See Cavity Assembly Section in this Manual D See Rear Wall Assembly Section in this Manual E 370020 Motor Cover Assembly G 370041 Duct Inner Outer Assembly H 370102 Cap Flue Bottom 369453 Flue Duct Assembly Power Cord J 370019 models 2501 000 2501 010 2501 001 2501 002 2501 003 2502 000 2502 001 2502 002 2510 000 only K See illustration below Finger Assembly L See Membrane Switch Assembly Section in this Manual B C A FINGER ASSEMBLY Digital Countertop Service Manual D E Finger Cover 370657 G Columnating Plate 370658 H Finger Housing 369442 15 16 MEMBRANE SWITCH ASSEMBLY LETTER PART NUMBER DESCRIPTION 70001558 Bracket A 4070541 Stand Off 10001209 10 32 self cl
17. ould measure approximately 5 2 ohms If resistance is good replace digital control board If the motor fails the above test replace motor No Digital Display Transformer Check 208 240 input voltage to transformer If no voltage present check the On Off switch S and the Control Box Hi Limit T1 for continuity Also check 5 amp fuses F1 F2 for continuity Check for 24 VAC at J1 and J2 power into the digital control Check circuit breaker CB on output of transformer If no secondary voltage from transformer replace transformer If secondary voltage is present then replace main control board Digital Countertop Service Manual 11 REMOVAL INSTALLATION amp ADJUSTMENT GUIDE Oven Back Removal WITH OVEN POWER OFF NOTE Remove six 6 nuts and remove motor cover and vent piping Disconnect all wiring from motor and heating element Remove four 4 nuts holding oven back and remove oven back Reassemble in reverse order Be certain to replace insulation seal when oven back is re installed pn 369470 Oven Hi Limit Replacement OVEN POWER OFF Remove oven back assembly See OVEN BACK REMOVAL Remove two 2 wires from thermostat Remove retaining nut from the front of thermostat and remove thermostat Remove capillary tube from bracket in back of oven and remove assembly out through control box side Reassemble in reverse order Check for proper routing through insulati
18. pad to make adjustments for cook time and temperature Conveyor Drive The control board transformer s XR secondary supplies 24 VAC to the control board CNTR The conveyor control converts AC to DC and DC power is supplied to the conveyor motor M3 2 29 VDC is supplied to the motor M3 through 4 wires 2 sets A A amp B Digital Countertop Service Manual 2501 000 2501 001 2501 002 2501 003 2501 008 2501 009 2502 000 2502 001 2502 002 2510 000 SCHEMATIC DIAGRAM 285000002 3818 1 1N3M313 ONI1Y3H iv138 3 0 YOLOM NJAO dOLYILNNOI 9 14 VD AMENS 9NI1009 010 NJAO LIMIT IH 1 1650 1 1 3OIOM VNVIOQNI 3 1404 vxo 981103 zioni 21 TINVE HOLIAS 3NYUOMJM 15 in LINII IH 1915 11 1N38313 9 11 H DU Spa SOJAIOSPOO MIVM HOLIMS 5 S TONINOO NOIOM 3513 24 14 iv138 3lVIS 01105 855 4311081NO YINI NOL LVUNDIINOD S Digital Countertop Service Manual 2504 000 2504 001 2514 000 SCHEMATIC DIAGRAM Su38N N 3818 0 HOIOM 100180 UNUO ISNYAL a 9N 13002 040M 2K 1 v u NJAO dOLYILNNOI 9U39NI MI f 3140020883 1 21 VANVd HOLIMS 3NYNGN3M ISW NJAO LIMIT IH 1LYISONS3HI 183 313 9NI11V3H H VNVIONI 3NAVM 1404 941100
19. t Shown 369378 Fan Motor Not Shown 369131 Thermocouple Digital Countertop Service Manual CONTROL BOX VIEW 19 Digital Countertop Service Manual CONTROL PANEL ASSEMBLY MODELS 2501 000 2501 010 2501 001 2501 002 2501 003 2502 000 2502 001 2502 002 2510 000 LETTER PART NUMBER DESCRIPTION A 370732 Transformer B 70002102 Mounting Plate C 370551 Rail MDI Relay D 370739 Contactor E 371038 50A SSR F 370466 Module Time Delay 230V G 369422 Relay H 369431 Hi Limit Control Box J 369507 Cooling Fan Thermostat J A H B 6 Of yo 99 DEN F oll lo fj 20 Digital Countertop Service Manual CONTROL PANEL ASSEMBLY MODEL 2514 000 LETTER PART NUMBER DESCRIPTION A 371038 50A SSR B 369507 Cooling Fan Thermostat C 370732 Transformer D 70002102 Mounting Plate E 370117 Terminal Block 5 Pole F 9002882 Terminal Bracket Assembly G 371158 EMI Capacitor H 370740 Rail Contactor 370739 J 370466 Module Time Delay 230V K 369422 Relay L 369430 Air Switch M 369431 Hi Limit Control Box 5 RMU230
20. t and verify that fan is not rubbing NOTE Be certain to replace insulation seal when oven back is re installed pn 369470 Heating Element Removal OVEN POWER OFF Remove oven back assembly See OVEN BACK REMOVAL Remove three 3 screws from heating element brackets and slide element out of back assembly Reassemble in reverse order Verify by color code dot or band on element that correct element is being installed NOTE Be certain to replace insulation seal when oven back is reinstalled pn 369470 Air Pump Removal OVEN POWER OFF Remove oven back assembly See OVEN BACK REMOVAL Remove main fan See MAIN FAN REMOVAL Remove heating element See HEATING ELEMENT REMOVAL Remove five 5 screws from inner back assembly and lift off Loosen two screws on air pump hub and slide off shaft Note location for reinstallation approximately 3 64 1 2 mm clearance from back wall Reinstall in reverse order and check operation Allow 30 minute preheat and verify that fan is not rubbing NOTE Be certain to replace insulation seal when oven back is re installed pn 369470 Fan Motor Removal OVEN POWER OFF Remove oven back assembly See OVEN BACK REMOVAL Remove main fan See MAIN FAN REMOVAL Remove heating element See HEATING ELEMENT REMOVAL Remove air pump assembly See AIR PUMP REMOVAL Remove four 4 screws from motor mount pedestal and lift motor and ped
21. tat C 370732 Transformer D 70002102 Mounting Plate E 370740 Rail Contactor F 9002882 Terminal Bracket Assembly G 371155 EMI Capacitor H 370117 Terminal Block 5 Pole 370739 Contactor J 370466 Module Time Delay 230V K 369422 Relay L 369431 Hi Limit Control Box A 9 9 b o RJ3A60D20 5 3 9 B L C F SISISI le Slo ooo Digital Countertop Service Manual 23 CONTROL PANEL ASSEMBLY MODELS 2504 000 2504 001 2505 000 LETTER PART NUMBER DESCRIPTION A 371038 50A SSR B 369507 Cooling Fan Thermostat C 370732 Transformer D 70002102 Mounting Plate E 370740 Rail Contactor F 9002882 Terminal Bracket Assembly G 371158 EMI Capacitor H 370117 Terminal Block 5 Pole 370739 Contactor J 370466 Module Time Delay 230V K 369422 Relay L 369431 Hi Limit Control Box A RMIA23050H5 9 B 4 L C lt Pu K lt 000 24 Digital Countertop Service Manual Digital Countertop Service Manual This page intentionally left blank 25 26 OVEN BACK ASSEMBLY
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