GE JS998 Series Скачать руководство пользователя страница 14 | Manualshive

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30-in. Slide-In Range (

Shown with Cooktop Removed

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Rear View

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10

1

- Magnetron Thermal TCO

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- High Voltage Transformer

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- Left FAD (Fan Apparency Device) TCO

4

- Right FAD TCO

5

- High Voltage Capacitor

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- Stirrer Motor

7

- Oven Vent Fan

8

- Left Cooling Fan

9

- Right Cooling Fan

10

- High Limit Thermal One-Shot (TCO)

11

- Convection Fan

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- Current Limit Board (CLB)

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- EMI Filter Board

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- Main Power Board (MPB)

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Содержание JS998 Series

Страница 1: ...MODEL SERIES JS998 JT930 JT980 ZET3038 ZET3058 TECHNICAL SERVICE GUIDE GE Consumer Products 2003 Slide In Single and Double Wall Ovens with TrivectionTM Cooking PUB 31 9115 3 04 ...

Страница 2: ...st be returned to their original position and properly fastened PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY A Do not attempt to operate this oven with the door open since open door operation can result in harmful exposure to microwave energy It is important not to tamper with the safety interlocks B Do not place any object between the oven front face and the door or allow ...

Страница 3: ... Lower Cooling Fan Double Wall Oven Only 20 Lower Oven Bake and Clean Thermal TCO s Double Wall Ovens 22 Magnetron Capacitor and Diode 27 Magnetron Cooling Fan and Thermal TCO Wall Ovens 26 Microwave Components 26 Microwave Fuse 27 Microwave Leakage Test 39 Nomenclature 7 Operational Notes 10 Oven Components 15 Oven Light Bulb Assembly 17 Oven Temperature Sensor RTD 20 Oven Vent Fan 21 Right Cooli...

Страница 4: ...irculated with a reversing fan system The fan will change directions to provide optimal evenness and browning The Multi Rack option is ideal for evenly baking foods when using more than one rack The 1 Rack option used for one rack of food cooks food faster than BAKE mode Convection Roast Heat is provided by the upper element and circulated with the reversing fan system The fan will change directio...

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Страница 7: ...F MAR 2003 F G APR 2002 D H MAY 2001 A L JUN 2000 Z M JUL 1999 V R AUG 1998 T S SEP 1997 S T OCT 1996 R V NOV 1995 M Z DEC 1994 L The letter designating the year repeats every 12 years Example T 1974 T 1986 T 1998 Nomenclature Feature Pack Designates features the higher the number the more features Model Number GE Cooking Product J GE ZE Monogram Electric Configuration S 30 in Slide In Oven T 30 i...

Страница 8: ...and off Does not control the oven Oven Light Turns oven light on or off Clear Off Cancels ALL oven operations EXCEPT the clock and timer If F and a number or letter flash in the display and the oven control signals this indicates a function error code Press the CLEAR OFF pad Allow the oven to cool for one hour Put the oven back into operation If the function error code repeats disconnect the power...

Страница 9: ...ime Speed bake Bakes food faster than traditional cooking modes Speed broil Broils food faster than traditional Hi Lo Broil Bake Traditional bake mode Convection Conv 1 Rack Convection bake function used for baking on one rack Conv Multi Convection bake function used for baking on more than one rack ConvRoast Convection roast function Broil LO HI Traditional broil function Speed broil Features Add...

Страница 10: ...the cook time stops counting down when the oven door is opened They will resume when the door is closed PROOF will not operate when oven is above 125 F OVEN TOO HOT will show in the display In PROOF and DEFROST the convection fan will rotate for 1 minute in one direction then turn off for 10 minutes After 10 minutes the fan will rotate for 1 minute again in the opposite direction When the oven fir...

Страница 11: ...ATURES pad then the MORE pad To turn this feature on press the SABBATH pad To turn this feature off press the BACK pad for 3 seconds The control returns to the FEATURES screen where SABBATH was originally selected Note This feature remains active even after loss of power to the oven The only way to exit SABBATH is to hold the BACK pad for 3 seconds If power is lost while the Sabbath mode is in a h...

Страница 12: ...witch 6 Stirrer Motor 7 EMI Filter Board 8 R1 Sail Switch Relay 9 Right Sail Switch 10 Oven Vent Fan 11 High Voltage Transformer HVT Fan 12 Right Cooling Fan 13 Convection Fan 14 High Limit Thermal One Shot TCO 15 Main Power Board MPB 30 in Single Wall Oven 11 6 2 4 9 12 3 1 10 12 13 Rear View 11 5 14 7 8 Component Locator Views 15 ...

Страница 13: ... Switch 6 Stirrer Motor 7 EMI Board 8 a R2 and b R1 Sail Switch Relay 9 Right Sail Switch 10 Oven Vent Fan 11 High Voltage Transformer HVT Fan 12 Right Cooling Fan 13 Convection Fan 14 High Limit Thermal One Shot TCO 15 Lower Oven Relay Board 16 Lower Oven Cooling Fan 17 Main Power Board MPB 6 2 4 9 12 3 1 10 5 7 13 13 14 12 11 8a 8b 15 16 17 Rear View ...

Страница 14: ... 2 High Voltage Transformer 3 Left FAD Fan Apparency Device TCO 4 Right FAD TCO 5 High Voltage Capacitor 6 Stirrer Motor 7 Oven Vent Fan 8 Left Cooling Fan 9 Right Cooling Fan 10 High Limit Thermal One Shot TCO 11 Convection Fan 12 Current Limit Board CLB 13 EMI Filter Board 14 Main Power Board MPB 11 12 13 14 ...

Страница 15: ... these in the oven cavity Take special care not to strip any screws when replacing these components Oven Components S i n g l e W a l l O v e n D o u b l e W a l l O v e n S l i d e I n R a n g e Capacitor Convection Fan Capacitor Convection Fan Motor s Diode EMI Board High Voltage Transformer Left Cooling Fan Lower Oven Cooling Fan Magnetron Magnetron Cooling Fan Magnetron TCO Main Power Board On...

Страница 16: ...clear of the slot Note There is no gap at the bottom of the gasket on the TrivectionTM oven door To remove the inner glass assembly 1 Remove the eight 1 4 in hex head screws holding the insulation retainer 2 Remove the retainer and insulation 3 Lift the inner glass assembly off the inner door Cross the gasket and tuck loose ends into the slots at the bottom of inner panel as shown below Caution Ca...

Страница 17: ...sembly indicate the direction in which the oven door glass is installed The arrows should be pointing toward the oven cavity Inner Door Assembly The inner door liner glass and hinges are one assembly and should NOT be separated All the screws on the inner door assembly have been torqued to a specific setting and Loctite sealant applied to prevent microwave leakage To replace the TrivectionTM door ...

Страница 18: ...s an approximate resistance value of 22 Ω and draws approximately 9 amps The outside element is rated at 900 watts has an approximate resistance value of 63 Ω and draws approximately 3 2 amps Inner Element Outer Element The bake element is held is place on the back oven wall by six 1 4 in hex head screws Broil Element The broil element is rated at 2500 watts has an approximate resistance value of ...

Страница 19: ...an blade and motor Refer to the schematic in the back of this manual for circuitry for your specific model To remove the convection fan motor a Remove the four 1 4 in hex head screws on the inside of the oven cavity b On the back on the oven remove the 3 outer 1 4 in hex head screws from the 3 brackets that hold the convection motor in place Note The convection fan assembly in the lower oven of th...

Страница 20: ...rmal Device has a resistance of 1100 Ω at room temperature and 2650 Ω at clean temperature Sensor Right Fan Lower Cooling Fan Double Wall Oven Only The lower cooling fan is located between the upper and lower ovens and has an approximate resistance value of 68 Ω The fan can only be removed from the back of the oven Note The right cooling fan and the lower cooling fan of the Double Wall Oven are co...

Страница 21: ...at the rear of the component compartment in front of the cooling fans The sail switches monitor the presence of the airstream from the fans If either fan HVT fan or right cooling fan malfunctions the applicable sail switch opens and opens relay R1 which disables power to the microwave HVT and oven cooking elements In addition if the right cooling fan malfunctions on the double oven the right sail ...

Страница 22: ...lock motor switch Opens at 185 F and closes when cooled below 158 F The bake FAD can only be detected by the control when in non self clean operations unlock switch closed lock switch open Higher Temperature Clean FAD Is wired in series with the common of the lock unlock switch Opens at 275 F and closes when cooled below 205 F The clean FAD is always detected by the control If the thermal switch o...

Страница 23: ...le device and will open at 302 F indicating a thermal runaway condition If tripped the oven must be removed from installation in order for the one shot TCO to be replaced Cause of overheating should be determined before replacing the TCO Self Clean Latch Motor To remove the self clean latch motor assembly remove the two 1 4 in hex head screws Motor 1 2 1 Unlock Switch Blue and yellow wires Reads c...

Страница 24: ...crowave system When troubleshooting or replacing interlock switch assembly follow the procedure outlined below to verify proper switch operation To check the primary and secondary interlock switches 1 With power off attach meter probes to the leads of each switch 2 Verify the following Closed door circuit must have continuity Opened door circuit must read open To check the monitor switch 1 With po...

Страница 25: ... Remove all surface unit knobs 3 Unscrew the four plastic crystal retainers on the infinite switches by turning counter clockwise Note The retainers should only be hand tightened when reinstalling 4 Lift the glass touch assembly 3 inches away from the control panel and unplug the ribbon cable from the assembly Note The ribbon cable and connector are very fragile Take extra care when removing When ...

Страница 26: ...gnosing oven with outer covers removed and power on The high voltage circuit of the magnetron power area HVT capacitor diode magnetron is 4400V potential with respect to ground Wait at least 5 minutes after disconnecting power before servicing the magnetron power area Left Fan PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY A Do not o...

Страница 27: ...mp fuse WB08T10027 If the door interlock switches fail monitor switch fails to open when door is closed or the right primary interlock switch fails to open when door is opened the fuse will open due to having 240V 208V across it The fuse may open if there is arcing across the switches or they open close too slowly The fuse may also open due to a voltage or current spike during normal operation Cap...

Страница 28: ... Press CHANGE to choose a different oven type 3 Press ACCEPT to confirm 4 Press EXIT J9 J2 J7 J3 J5 J9 DC power output and serial data bus to from Glass Touch Signal Board J2 J7 Input from Switches and Sensors J4 Single Wall Oven No connection Double Wall Oven DC power output and relay control outputs to Lower Oven Relay Board J9 Slide In Oven 5 VDC power output and 4 surface unit status signals i...

Страница 29: ...on element K10 Convection Element ON OFF Relay K103 Bake 2 ON OFF Relay Current Limit Board Slide In Range Only J2 L2 and power signals from surface unit elements J1 5 VDC power input and 4 surface unit status signals output to J4 Main Logic Board The current limit board receives power signals from the infinite switches and converts them to logic signals so the main logic board can detect on off s...

Страница 30: ...ion fan outputs J9 K20 K17 K14 K121 J11 J2 J1 Glass Touch Signal Board J1 Input and output signals from to Glass Touch Board J1 J2 DC power input and serial data bus to from Main Logic Board J9 1 LED Status Light The glass touch signal board provides a serial communication interface between the glass touch board and the main logic board The glass touch signal board has an LED status light which sh...

Страница 31: ...ard 4 Main Logic Board 5 Text Display Board 3 Glass Touch Board J1 J1 Output and input signals from to Glass Touch Signal Board J1 5 1 1 DC power and serial data from Text Display Board to Time Temperature Display Board hard wired to Time Temperature Display Board 2 DC power input and data Input from Main Logic Board J2 hard wired to Text Display Board 1 2 ...

Страница 32: ... Low Power supersedes Supply Open Neutral WARNING To prevent electrical shock use extreme caution when diagnosing oven with outer covers removed and power on The high voltage circuit of the magnetron power area HVT capacitor diode magnetron is 4400V potential with respect to ground Wait at least 5 minutes after disconnecting power before servicing the magnetron power area WARNING Heat sinks on mai...

Страница 33: ...nutes and the sensor temperature 200 F for 2 minutes or after about 20 minutes whichever comes first Slide In Range The vent fan turns OFF after 22 minutes and the sensor temperature 200 F for 2 minutes Both cooling fans turn OFF after about 20 minutes Note For the TrivectionTM oven bake broil or convection elements or the microwave to operate BOTH THE LEFT AND RIGHT COOLING FANS MUST BE ON and en...

Страница 34: ...ion will occur when the respective infinite switch hot light is lit CO SENSOR Kenmore models only Turns the CO sensor and heater on and off Press the EXIT pad to return to the home screen Service Mode The service mode allows the service technician to make adjustments and run several important tests on critical oven components To enter the service mode 1 Disconnect main power to the oven for at lea...

Страница 35: ...FF N J103 L1 J4 3 K105 NO MPB J1 16 MLB J3 16 N J103 L1 K7 NO MPB J1 6 MLB J3 6 MPB J1 1 MLB J3 1 L2 K11 COM DLB MPB J1 11 MLB J3 11 L1 K8 NO MPB J1 7 MLB J3 7 MPB J1 1 MLB J3 1 L2 K11 COM DLB MPB J1 11 MLB J3 11 L1 J113 K103 NO MPB J1 18 MLB J3 18 MPB J1 1 MLB J3 1 L2 K11 COM DLB MPB J1 11 MLB J3 11 L1 J4 1 K2 COM MPB J1 14 MLB J3 14 N J103 Note Ground reference for dc voltage measurements MPB Ma...

Страница 36: ...round reference for dc voltage measurements MPB Main Power Board OFF 0Vdc if Disable 14Vdc is J3 2 or J3 4 on MPB or J5 2 or J5 4 on MLB MLB Main Logic Board Right Cooling Fan R CoolingFan On Off Oven Door Latch DoorLatch Lock Unlock Convection Fan Clockwise CookingLoads ConvFan CW Left Cooling Fans Mag Stirrer Left Cooling Fan L CoolingFans On Off Oven Light Ovenlight On Off Broil Element Cooking...

Страница 37: ...zed MPB J1 15 ON 0Vdc MLB J3 15 ON 0Vdc Convection Fan Lower Clockwise CookingLoads down arrow ConvFan CW Broil upper must be turned off Convection Element Upper CookingLoads up arrow ConvElem Bake Element Upper CookingLoads up arrow Bake Bake2 Element Upper CookingLoads up arrow Bake2 Broil Lower and Bake Lower must be turned off Broil Element Upper CookingLoads up arrow Broil Door Latch Upper Do...

Страница 38: ...is opened and the keypanel does not respond first check DC power supply voltages Next check DC voltages at MLB J2 J2 2 J2 4 J2 6 J2 8 They should be 12VDC If not replace text display and or time temp display If DC power supply voltages are OK the display is blank and the keyboard is not responding replace MLB If just the display is blank replace the display If only the keyboard is not responding c...

Страница 39: ...urer of any oven found to have emissions in excess of 5 mW cm2 Make repairs to bring the unit into compliance at no cost to the owner and try to determine cause Instruct owner not to use oven until it has been brought into compliance Performance Testing Standard test load will be 1 liter 1000 mL of water with an initial temperature 59 75 F in a 1000 mL beaker PN WB64X73 1 Record initial water temp...

Страница 40: ... k O v e n D e a d K e y b o a r d a n d d i s p l a y s d o n o t w o r k Glass Touch Signal Board Glass Touch Assembly LH or RH Sail Switch R1 and R2 Relays B a k e 2 e l e m e n t d o e s n o t w o r k B r o i l e r d o e s n o t w o r k C o n v e c t i o n e l e m e n t d o e s n o t w o r k C o n v e c t i o n f a n d o e s n o t w o r k H a l o g e n l a m p s d o n o t w o r k L a t c h m o...

Страница 41: ...n f a n d o e s n o t w o r k Main Logic Board Lower Oven Logic Board Lower Broil Element Lower Bake Element Lower Convection Element Lower Halogen Lamps Plunger Switch Lower Motor Latch Lower Convection Fan L o w e r c o o l i n g f a n d o e s n o t w o r k Page 67 Lower Cooling Fan L F L R o r R R e l e m e n t d o e s n o t w o r k Surface Control LF Surface Control LF Surface Element LR Surfa...

Страница 42: ...1 J 1 0 2 a n d J 1 0 3 to th e M P B A r e th e f o llo w in g D C v o lta g e s p re s e n t 1 2 V D C fro m M P B J 3 p in 1 to p in 2 5 V D C fro m M P B J 3 p in 3 to p in 2 1 4 V D C fr o m M P B J 3 p in 5 to p in 2 Is 1 2 0 V A C p re s e n t o n th e E M I filte r b o a rd c o n n e c to r fr o m O U T 3 to th e M P B J 1 0 3 R e p a ir fa u lty w irin g fr o m th e E M I filt e r b o a r...

Страница 43: ... 43 Single Wall Oven and Double Wall Oven Models Slide In Models ...

Страница 44: ... signal board light up and beep when a key is pressed Repair faulty wiring from the MPB to the MLB Replace the 10 pin cable from the glass touch signal board to the MLB Does the oven work Replace the glass touch signal board Does the oven work Replace the glass touch assembly Replace the glass touch signal board Replace the 10 pin cable from the glass touch board to the MLB Does the oven work Repl...

Страница 45: ...work No Replace the MLB Does the oven work Replace the glass touch signal board Does the oven work No Replace the glass touch assembly Yes Replace the MLB No Replace the glass touch signal board Does the oven work No No Replace the 10 pin cable from the glass touch signal board to the MLB Does the oven work No Replace the 34 pin ribbon cable from the glass touch signal board to the glass touch ass...

Страница 46: ...element Yes No Replace the MPB Is 240 VAC present from the MPB relay K11 COM contact to K7 NC Repair the faulty wiring from the MPB relay K8 COM to K7 NC No Yes Is 240 VAC present from the MPB relay K11 COM contact to K7 COM Yes Is 4 6 VDC present from the MLB connectors J3 pin 7 to J5 pin 2 Replace the MLB Is 4 6 VDC present from the MPB connectors J1 pin 7 to J3 pin 2 Is 4 2 VDC present from the...

Страница 47: ... 47 ...

Страница 48: ...e the bake 2 elem ent Repair the faulty wiring from the MPB to the bake 2 elem ent Yes No Replace the MPB Is 240 VAC present from the MPB relay K11 COM contact to K7 NC Repair the faulty wiring from the MPB relay K103 COM to K7 NC Yes Is 240 VAC present from the MPB relay K11 COM contact to K7 COM Yes No Is 0 VDC present from the MLB connectors J3 pin 18 to J5 pin 2 Yes Replace the MLB Is 4 2 VDC ...

Страница 49: ... 49 ...

Страница 50: ... the MPB to the broil element Yes No Replace the MPB Is 240 VAC present from the MPB relay K11 NO to K7 COM contacts Repair the faulty wiring from the input of L1 or L2 No Is 4 6 VDC present from the MLB connectors J3 pin 6 to J5 pin 2 Yes Replace the MLB Is 4 6 VDC present from the MPB connectors J1 pin 6 to J3 pin 2 Is 4 2 VDC present from the MLB connectors J3 pin 1 to J5 pin 2 Replace the MLB ...

Страница 51: ... Repair the faulty wiring from the MPB to the convection element Yes No Replace the MPB Is 240 VAC present from the MPB relay K10 COM to K102 NO contacts Repair the faulty wiring from the input of L1 or L2 No Is 4 6 VDC present from the MLB connectors J3 pin 12 to J5 pin 2 Yes Replace the MLB Is 4 6 VDC present from the MPB connectors J1 pin 12 to J3 pin 2 Is 4 2 VDC present from the MLB connector...

Страница 52: ... 16 to J5 pin 2 Repair the faulty wiring from the MLB to the MPB Replace the MLB Yes No Replace the MPB Is 120 VAC present from the MPB relay K4 NO contact to AC IN NT Yes Repair the faulty wiring from MPB relay K105 to K4 Is 120 VAC present from the MPB relay K4 COM contact to AC IN NT No Yes Replace the EMI filter board or repair the faulty wire Is 0 VDC present from the MLB connectors J3 pin 15...

Страница 53: ...lace the halogen bulb Is 120 VAC present from the MPB relay K13 COM contact to AC IN NT Yes Is 0 VDC present from the MLB connectors J3 pin 4 to J5 pin 2 Yes No Is 120 VAC present from the EMI filter board OUT1 contact to AC IN NT No Is 120 VAC present from the EMI filter board IN1 contact to AC IN NT No Repair the faulty wiring from L1 input to the EMI filter board Repair the faulty wiring from N...

Страница 54: ...e the motor latch Is 120 VAC present from the MPB relay K2 COM contact to AC IN NT Yes Is 0 VDC present from the MLB connectors J3 pin 14 to J5 pin 2 Yes No Is 120 VAC present from the EMI filter board OUT1 contact to AC IN NT No Is 120 VAC present from the EMI filter board IN1 contact to AC IN NT No Repair the faulty wiring from L1 input to the EMI filter board Repair the faulty wiring from NT in...

Страница 55: ... MLB connectors J3 pin 9 to J5 pin 2 Yes No Is 120 VAC present from the EMI filter board OUT3 contact to AC IN NT No Is 120 VAC present from the EMI filter board IN3 contact to AC IN NT No Replace the one shot TCO or repair the faulty wiring from L2 input to the EMI filter board Repair the faulty wiring from NT input to the EMI filter board No No Replace the EMI filter board Repair the faulty wiri...

Страница 56: ...ooling fan Is 120 VAC present from the MPB relay K1 COM contact to AC IN NT Yes Is 0 VDC present from the MLB connectors J3 pin 10 to J5 pin 2 Yes No Is 120 VAC present from the EMI filter board OUT3 contact to AC IN NT No Is 120 VAC present from the EMI filter board IN3 contact to AC IN NT No Replace the one shot TCO or repair the faulty wiring from L2 input to the EMI filter board Repair the fau...

Страница 57: ...etween pins 1 and 3 of the connector Measure transformer secondary resistance 90 4 ohms between ground and single wire capacitor Note if HVT warm resistance will be higher Ohm out right interlock left interlock and monitor switches see page 24 Check door sense switch see page 24 Check relay board SWO board Disconnect right interlock connector Check voltage from pin 1 of harness side of connector b...

Страница 58: ... VAC present from the MPB relay K5 COM contact to AC IN NT Yes Is 0 VDC present from the MLB connectors J3 pin 9 to J5 pin 2 Yes No Is 120 VAC present from the EMI filter board OUT3 contact to AC IN NT No Is 120 VAC present from the EMI filter board IN3 contact to AC IN NT No Replace the one shot TCO or repair the faulty wiring from L2 input to the EMI filter board Repair the faulty wiring from NT...

Страница 59: ...nt fan Is 120 VAC present from the MPB relay K106 COM contact to AC IN NT Yes Is 0 VDC present from the MLB connectors J3 pin 3 to J5 pin 2 Yes No Is 120 VAC present from the EMI filter board OUT3 contact to AC IN NT No Is 120 VAC present from the EMI filter board IN3 contact to AC IN NT No Replace the one shot TCO or repair the faulty wiring from L2 input to the EMI filter board Repair the faulty...

Страница 60: ...place the LORB Is 240 VAC present at the lower bake element connectors Replace the lower bake element Repair the faulty wiring from the LORB to the lower bake element Yes No Yes No Is 240 VAC present from the LORB relay K121 COM contact to K14 COM Yes Is 4 6 VDC present from the MLB connectors J4 pin 4 to J5 pin 2 No Replace the MLB Yes Is 4 6 VDC present from the LORB connectors J9 pin 4 to MLB J...

Страница 61: ...4 pin 5 to J5 pin 2 No Replace the MLB Yes Is 4 6 VDC present from the LORB connectors J9 pin 5 to MLB J5 pin 2 No Yes Repair the faulty wiring from the MLB to LORB Replace the LORB Is 240 VAC present from the LORB relay K121 COM contact to K17 COM No Is 240 VAC present from the LORB relay K121 COM contact to K14 NC Repair the faulty wiring from the LORB relay K20 Com to K17 NC contacts Yes Is 240...

Страница 62: ...ace the MLB Yes Is 14 0 VDC present from the LORB connectors J9 pin 5 to MLB J5 pin 2 No Yes Repair the faulty wiring from the MLB to LORB Replace the LORB Is 4 6 VDC present from the MLB connectors J4 pin 6 to J5 pin 2 Is 4 2 VDC present from the MLB connectors J4 pin 2 to J5 pin 2 Replace the MLB No Yes Is 4 6 VDC present from the LORB connectors J9 pin 6 to MLB J3 pin 2 Yes Yes Is 240 VAC prese...

Страница 63: ... 63 ...

Страница 64: ...esent from the LORB relay K16 COM contact to AC IN L1 No Is 120 VAC present from the EMI filter board OUT2 contact to AC IN L1 No Is 120 VAC present from the EMI filter board IN2 contact to AC IN L1 No Repair the faulty wiring from AC IN NT to the EMI filter board Repair the faulty wiring from L1 input to the EMI filter board No No Replace the EMI filter board Repair the faulty wiring from the EMI...

Страница 65: ...AC present from the LORB relay K15 COM contact to AC IN NT Yes Is 0 VDC present from the LORB connectors J4 pin 13 to MPB J5 pin 2 Yes No No Is 120 VAC present from the EMI filter board OUT1 contact to AC IN NT Repair the faulty wire between LORB K15 and the EMI filter board OUT 1 contact Yes No Is 120 VAC present from the EMI filter board IN1 contact to AC IN NT Replace the EMI filter board Yes R...

Страница 66: ...the EMI filter board IN1 contact Is 120 VAC present from the from the LORB relay K122 NO or NC contact to contacts of the convection fan Yes No Is 0 or 12 VDC present from the MLB connectors J4 pin 12 to J5 pin 2 Yes Is 0 or 12 VDC present from the LORB connectors J9 pin 12 to J5 pin 2 No Yes No Replace the MLB Repair the faulty wiring from the MLB to the LORB Repair the faulty wiring from LORB re...

Страница 67: ... fan Is 120 VAC present from the MPB relay K1 COM contact to AC IN NT Yes Is 0 VDC present from the MLB connectors J3 pin 10 to J5 pin 2 Yes No Is 120 VAC present from the EMI filter board OUT3 contact to AC IN NT No Is 120 VAC present from the EMI filter board IN3 contact to AC IN NT No Replace the one shot TCO or repair the faulty wiring from L2 input to the EMI filter board Repair the faulty wi...

Страница 68: ...e H1 surface control contact Is 240 VAC present from the H1 to the H2 surface control contact Is 240 VAC present at the element input contacts Yes Yes Replace the element Repair the faulty wiring from the L1 or L2 input to the L1 or L2 contacts No Replace the surface control Replace the surface control NOTE The H2 contact of the surface control cycles on and off to adjust the heat to the desired s...

Страница 69: ...s Yes No No No No NOTE The 2 contact of the surface control cycles on and off to adjust the heat to the desired setting Make sure that the 2 contact is energized when taking voltage measurements Repair the faulty wiring from the L1 or L2 input to the L1 or L2 contacts Is 240 VAC present from the 4 to the P1 surface control contact Replace the surface control Yes Is 240 VAC present from the 4 to th...

Страница 70: ...of 3 Schematics and Wiring Diagrams WARNING Disconnect electrical power before servicing Caution Label all wires prior to disconnection Wiring errors can cause improper and dangerous operation Verify operation after servicing ...

Страница 71: ... 71 Double Wall Oven 2 or 3 ...

Страница 72: ... 72 Double Wall Lower Oven 3 of 3 ...

Страница 73: ... 73 Slide In Range Current Limit Board 1 of 3 ...

Страница 74: ... 74 Slide In Range 2 of 3 ...

Страница 75: ... 75 Slide In Range 3 of 3 ...

Страница 76: ...Single Wall Oven 1 of 2 ...

Страница 77: ...Single Wall Oven 2 of 2 ...

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