tech-sheet-8301826
TECH SHEET – DO NOT DISCARD PAGE 1

WARNING PRECAUTIONS TO BE OBSERVED BEFORE AND Electrical Shock Hazard DURING SERVICING TO Disconnect power before servicing. AVOID POSSIBLE

Replace all parts and panels before EXPOSURE TO EXCESSIVE operating. MICROWAVE ENERGY

Failure to do so can result in death a. Do not operate or allow the oven to be or electrical shock. operated with the door open.

Electrostatic Discharge (ESD) b. Make the following safety checks on all ovens to Sensitive Electronics be serviced before activating the magnetron or other microwave source, and make repairs as ESD problems are present everywhere. ESD may necessary: damage or weaken the electronic control assembly. The new control assembly may appear to work well 1. Interlock Operation after repair is finished, but failure may occur at a later date due to ESD stress. 2. Proper Door Closing

Use an anti-static wrist strap. Connect wrist 3. Seal and Sealing Surfaces strap to green ground connection point or (Arcing, Wear & Other Damage) unpainted metal in the appliance – OR – touch your finger repeatedly to a green ground 4. Damage to or Loosening of connection point or unpainted metal in the Hinges & Latches appliance. 5. Evidence of Dropping or Abuse Before removing the part from its package, touch the anti-static bag to a green ground connection c. Before turning on microwave power for any point or unpainted metal in the appliance. service test or inspection within the microwave generating compartments, check the Avoid touching electronic parts or terminal magnetron, waveguide or transmission line and contacts; handle electronic control assembly by cavity for proper alignment, integrity and edges only. connections.

When repackaging failed electronic control d. Any defective or misadjusted components in the assembly in anti-static bag, observe above interlock, monitor, door seal, and microwave instructions. generation, and transmission systems shall be repaired, replaced, or adjusted by DIAGNOSTICS procedures described in service manual before the oven is released to the owner. Before servicing, perform the following checks: e. A microwave leakage check to verify The most common cause for control failure is compliance with the Federal performance corrosion on connectors. Therefore, disconnecting standard should be performed on each oven and reconnecting wires will be necessary prior to release to the owner. throughout test procedures. f. Do not attempt to operate the oven if the door Check all connections before replacing glass is broken. components, looking for broken or loose wires, failed terminals, or wires not pressed into PROBLEM: Bake Temperature Needs connectors far enough. Adjustment

All tests/checks should be made with a VOM or 1. Press BAKE pad for 5 seconds. The default temp. 0° DVM having a sensitivity of 20,000 ohms per volt or a previously entered offset temp. will show in the DC or greater. Temp. Display.

Resistance checks must be made with power cord n Press the BAKE pad to increase the unplugged from outlet, and with wiring harness or temperature in 5° F or 3° C increments. connectors disconnected. n Press the BROIL pad to decrease the Is oven in “Sabbath Mode”? If so, “SAB” will appear temperature in 5° F or 3° C increments. in digital display. Press and hold “6” key for 5 seconds to end Sabbath Mode. Maximum offset temperature adjustment is ±35° F or ±21° C.

2. Press the START pad to save the temp. adjustment.

FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8301826

PAGE 2 TECH SHEET – DO NOT DISCARD

FAILURE/ERROR DISPLAY CODES Upon replacement, immediately return old electronic oven control using the mailing label supplied with each new control. NOTES: For combo ovens, the failure code is displayed on the side of Always disconnect power before touching internal parts of the display that corresponds to the oven with faulty part the oven! (upper oven = left side of display).

FAULT ERROR MEANING OF RECOMMENDED REPAIR PROCEDURE CODE CODE FAILURE CODE Will only be displayed if user presses and holds the UPPER OFF key for 5 seconds and F0 E0 Default F code – no failure there is no pre-existing fault. Press CANCEL to clear display. F1 E0, E1, & F2 Electronic control malfunction Check oven door switch. If OK replace control. E2 F3 E3 & E4 Electronic control malfunction Replace control. E0 or E1 Keypad keytail not connected F5 Key held down too long, or key 1. Check keypad connector for firm connection. F6 E2 is shorted 2. Press CANCEL. If error code returns after 60 sec., replace keypad. E0 Temperature sensor opened F8 (lower cavity) 1. Check lower cavity sensor connection. E1 2. Measure sensor resistance (1080 at 70° F [21° C]. Add 2 per degree F). Temperature sensor shorted 3. If resistance is not valid replace sensor. E2 (lower cavity) 4. If sensor resistance and connections are good, then the oven cavity temperature must

E3 Temperature sensor opened have exceeded a safe level. Check for welded-closed relays on the control. (microwave) E0 1. Check microwave sensor connection. E0 Temperature sensor shorted 2. Measure sensor resistance (280k at 70° F [21° C]; 1k at 392° F [200° C]). E1 (microwave) 3. If resistance is not valid replace sensor. E0 4. If sensor resistance and connections are good, then the oven cavity temperature must E1 Lower cavity over temperature E2 while cleaning have exceeded a safe level. Check for welded-closed relays on the control. E3 Lower cavity over temperature during cooking See F3 Error Code E0 (above). E4 Microwave cavity over temperature during cooking See F3 Error Code E0 (above). Self-clean latch will not lock Self-clean latch will not unlock See F3 Error Code E2 (above). Oven over temperature while door open and latch lock 1. Check the latch assembly: Check latch arm pivot joint, arm/motor connection, plunger Oven over temperature while and hook springs. door open and latch unlock 2. Check the Latch Motor: Oven over temperature while – Check for firm electrical connections. door close and latch unlock – Disconnect the two wires from the motor and measure the resistance of the motor. The resistance should be approximately 2450 . If the motor is open ( ) or shorted (0 ), it should be replaced.

3. Check the Latch Switch: Disconnect it and use a continuity tester:

– Door latched = switch closed, continuity should read 0 . – Door unlatched = switch open, continuity should read . 4. Check Door Open/Closed Switch:

Disconnect it and use a continuity tester: – Door open = switch closed, continuity should read 0 . – Door closed = switch open, continuity should read . 5. Check power and element connections.

Fahrenheit (° F) to Celsius (° C) 1. Fill a glass measuring cup with 16 oz. (453cc) of tap Conversion water. Stir the thermometer through the water until the temperature stabilizes. The default is Fahrenheit (° F). 2. Place the cup of water in the center of the oven. 1. Press the BROIL pad for 5 seconds. The Operate on HIGH for 60 seconds. temperature will be displayed in degrees Celsius indicated by the “C” in the temperature display. 3. Stir the thermometer through the water and record the maximum temperature. 2. To return the display to degrees Fahrenheit press the BROIL pad again for 5 seconds. “F” will show in 4. Subtract the cold water temperature from the hot the temperature display. water temperature. The normal result should be a 20 – 38° F (11.1 – 21.1° C) rise in temperature. Microwave Oven Power Output Test NOTE: Less than a 20° F (11.1° C) temperature rise The power output of the magnetron can be measured may indicate an operating voltage of less than 110 volts by the following test: (for accurate results, the line or a low power output from the magnetron. Cooking voltage must be 120 VAC and the oven cavity must be time can be adjusted to compensate for either clean). circumstance. Replace the magnetron only if the water temperature rise indicates a power output well beyond the normal result.

PART NO. 8301826 FOR SERVICE TECHNICIAN’S USE ONLY

TECH SHEET – DO NOT DISCARD PAGE 3

WIRE HARNESS SCHEMATIC T.O.D. (RESETABLE) LIGHT HEATING ELEMENT NOTES: When replacing the electronic control, be sure to attach the cavity select line to THERMAL FUSE/T.O.D. AC DRIVE the proper terminal (see “CAVITY SIZE” table below). (NON-RESETABLE ONE TIME) MOTOR SOLENOID RELAY COIL Dots indicate connections or splices. GROUND (CHASSIS) ENCLOSED RELAY THERMISTOR Circuit shown in standby/off mode with microwave oven door and lower oven PLUG WITH CONTACTS door closed. FEMALE CONNECTOR OPERATED BY DOOR RECEPTACLE WITH MALE CONNECTOR

BR LIGHT POWER SUPPLY

N L1 ELECTRONIC CONTROL J1-5 BK GND N L2

BK DOOR P8-2 R HALOGEN W SW R MICROWAVE CAVITY LIGHT 20A 15A CAVITY MAGNETRON R FUSE BK BK FUSE T.O.D. R BR P10-1 T.O.D. R BK R TAN P8-1 BU J1-1 PRIMARY

INTERLOCK BU TO P10-2 R BR MONITOR P10-4 BU SWITCH

BK TURNTABLE

ELECTRONIC FILTER N Y GY WP #4451934 P17-1 MAGNETRON FAN CONTROL TRANSFORMER Y BU P17-2 SECONDARY WW MAGNETRON TAN INTERLOCK GY 900W OUTPUT P17-3 L1 SWITCH J1-4 W N TAN P17-4 P10-3 Y Y MONITOR SWITCH VT P17-5

VT BK P17-6 W P17-8

P17-10

Y CONV FAN GY BU FROM PRIMARY CONVECTION BU/R R P14-1 AIR VENT INTERLOCK W P14-2 SWITCH TEMP SENSOR t° SOLENOID 280k AT 70°F/21.1°C BU/R 120 VAC BR CONV – 1500W W

P8-3 BR J1-2 W

P8-4 GY CONV. T.O.D. J1-7 R

0.6A P9-3 BU BK W J1-6 W

MICROWAVE P9-1 R GRILL T.O.D. GRILL – 1200W J1-3 R

LOWER OVEN BK P15-1 P15-5 W W V/W P7-6 VT W TEMP SENSOR W P7-5 UPPER BLOWER LOWER BLOWER 1080 AT 70°F/21.1°C P5-8 GY/W W t° V/W DOOR LOCK MOTOR LATCH W P5-9 120 VAC Y +5V SWITCH PULSE TAN P5-1 P7-3 ON LATCH ASSY DOOR SWITCH 1 INCANDESCENT BR BR/W P5-3 BK W BK W 15W/BULB TAN OR BK BU BU/W P5-6 P7-2 LATCH SWITCH 1 Y P5-10 W (OPERATED BY BK P7-1 OR/W W TAN MOTOR) TAN P7-7 CONV. FAN BK CAVITY SIZE TAN P2-3 SELECT

CAVITY SIZE R BAKE – 2000W R OVEN SHUTDOWN TAN Y 30″ P2-4 THERMAL FUSE

OPEN 27″ OR R P3-1 P15-3 BROIL – 3000W OR

BK P5-7 GN P3-2 GN

RELAY LOGIC LOWER OVEN RELAY LOGIC MICROWAVE OVEN

BRAELKAEYS LBUCOMOPRVOOPWOTNLIEETVLORRRFBBALLRNOEOLWWAEEYRR RCGMERAOILNGL.ALVYS LUCMIPAOGPNGHEVTFRAFBANLNOWER MODES RELAY LOGIC KEY MODES

OFF – OFF MICRO. FULL PWR BAKE – ON MICRO. VAR. PWR CUSTOM BROIL – CYCLING (MAX. PERIOD = 23 SEC.) BROIL CONV BROIL – CYCLING (MAX. PERIOD = 90 SEC.) MANUAL CRISP CONV BAKE – CYCLING (MAX. PERIOD = 60 SEC.) OFF CLEAN – ON OR OFF CONV. QUICK PREHEAT PREHEAT-BAKE – PULSED FOR LOCK/UNLOCK PHASE CONV. COOK PREHEAT-CONV SPEED COOK PREHEAT-CLEAN

IF LOWER OVEN IS IN CLEAN MODE, MICROWAVE WILL NOT FUNCTION

FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8301826

PAGE 4 TECH SHEET – DO NOT DISCARD PAGE 5

STRIP CIRCUITS CLEAN (OVEN) BROIL ELECTRONIC CONTROL N L2 (NO MICROWAVE ENERGY) P10-1 BR The following individual circuits are for use in diagnosis. L1 ELECTRONIC CONTROL N L2 LIGHT POWER SUPPLY Before starting diagnosis, check the line voltage L1 W and for blown fuses. TEMP SENSOR V/W 1080 AT 70° F/21.1° C W P5-8 BK RR HALOGEN BAKE AND PREHEAT-BAKE (OVEN) J1-5 MICROWAVE t° V/W CAVITY LIGHT P5-9 W TAN RETURN LINE MUST BE CONNECTED P5-1 P10-2 BU MAGNETRON FAN P7-6 VT +5V SWITCH PULSE DOOR SWITCH 1 ON DOOR SHOWN BK P10-4 GY LATCH ASSY IN CLOSED POSITION MONITOR BR SWITCH TAN OR BR/W PULSE R BR P5-3 RELAY LOCK P7-3 Y Y WW 15A CAVITY W 20A BK FUSE TAN T.O.D. R L1 LATCH SWITCH 1 UNLOCK BK FUSE BK J1-4

BK P2-3 ELECTRONIC CONTROL N L2 (OPERATED BY TURNTABLE BK P3-2 P2-4 R OVEN SOLENOID) DOOR LOCK J1-1 PRIMARY BK BK P7-1 SOLENOID BK P7-1 BAKE – 2000W R SHUTDOWN TAN TAN BU BU/W INTERLOCK UPPER THERMAL P5-6 120VAC BLOWER P5-10 FUSE CAVITY SIZE TAN Y SWITCH W P2-3 R SELECT P2-4 R BAKE – 2000W OVEN SHUTDOWN R THERMAL P3-1 OR BROIL – 3000W OR BK FUSE R

P7-6 VT W P3-1 OR BROIL – 3000W OR GRILL GRILL – 1200W P7-5 GY/W P3-2 T.O.D. P9-3 BU BK W J1-6 W BK P7-6 VT UPPER BLOWER W P9-1 R J1-3 R W LOWER BLOWER UPPER BLOWER

P7-5 GY/W W LOWER BLOWER BK P7-1

SPEED COOK (MICROWAVE) LIGHT POWER SUPPLY N L2 W ELECTRONIC CONTROL W

CONVECTION BAKE (OVEN) HALOGEN W R FULL POWER / VARIABLE ELECTRONIC CONTROL N P10-1 BR BK R MICROWAVE POWER (MICROWAVE) CAVITY LIGHT W R R

L1 ELECTRONIC CONTROL CONV. FAN N L2 LIGHT POWER SUPPLY L1 J1-5 W P7-7 OR/W W BK P7-1 P10-2 BU MAGNETRON FAN P2-4 R BK P2-3 HALOGEN BK P10-4 GY

OVEN SHUTDOWN R R MICROWAVE MONITOR SWITCH BAKE – 2000W THERMAL FUSE P10-1 BR BK CAVITY LIGHT R TURNTABLE BR

R R J1-5 DOOR SHOWN IN CLOSED L1 MAGNETRON FAN POSITION J1-4 GY P7-6 VT W BK P10-4 P10-2 BU CAVITY HIGH VOLTAGE W R SYSTEM 20A 15A T.O.D. MAGNETRON J1-2 UPPER BLOWER BK FUSE BK BK FUSE TAN R P8-2 R T.O.D. R 900W OUTPUT J1-7 BU J1-6 P7-5 GY/W W DOOR SHOWN MONITOR J1-3 IN CLOSED SWITCH J1-1 BK P8-1 POSITION PRIMARY BR W Y CONV FAN GY SECONDARY LOWER BLOWER TURNTABLE INTERLOCK P10-3 Y INTERLOCK J1-4 SWITCH SWITCH Y GY

HIGH VOLTAGE AIR VENT SYSTEM SOLENOID 120 VAC CUSTOM BROIL (OVEN) 20A CAVITY BU/R R P14-1 BK FUSE BK 15A T.O.D. 900W OUTPUT CONVECTION P8-3 BR BR W FUSE TAN TEMP SENSOR BK R P8-2 R R BU 280k @ 70° F/21.1° C t° W P14-2 GY CONV. T.O.D. CONV – 1500W J1-1 BK P8-1 W BU/R P8-4 PRIMARY BK P7-1 MAGNETRON SECONDARY P9-3 P9-1 BU BK W INTERLOCK T.O.D. INTERLOCK R GRILL T.O.D. GRILL – 1200W

ELECTRONIC CONTROL N L2 SWITCH P7-6 VT SWITCH W

L1 OVEN SHUTDOWN P7-6 VT

BK P3-2 P3-1 OR BROIL – 3000W THERMAL FUSE UPPER BK P7-1 R BLOWER BK P7-1 UPPER BLOWER OR

P7-6 VT W

P7-5 GY/W UPPER BLOWER MANUAL CRISP N L2 CONVECT (MICROWAVE) ELECTRONIC CONTROL N L2 W (MICROWAVE) W W LOWER BLOWER ELECTRONIC CONTROL LIGHT POWER SUPPLY LIGHT POWER SUPPLY P10-1 BR W W W W W L1 R HALOGEN HALOGEN R W BK R MICROWAVE DOOR SHOWN P10-1 BR BK RR MICROWAVE W J1-5 R CAVITY LIGHT IN CLOSED P10-2 CAVITY LIGHT POSITION P10-3 R J1-5 P8-3 CONVECTION BROIL (OVEN) L1 MAGNETRON FAN GY

DOOR SHOWN MAGNETRON FAN GY 20A 15A CAVITY BK P10-4 BU IN CLOSED BK FUSE BK BK FUSE TAN T.O.D. R BK POSITION BK P10-4 P10-2 BU R P14-1 BK P8-1 W P14-2 MONITOR BK P7-1 R TURNTABLE BR MONITOR J1-1 PRIMARY R BR SWITCH SWITCH L1 ELECTRONIC CONTROL CONV. FAN N L2 INTERLOCK Y Y CONV FAN GY TURNTABLE P7-7 OR/W BK P7-1 SWITCH J1-4 BK P3-2 J1-4 Y GY W OVEN SHUTDOWN 20A 15A CAVITY HIGH VOLTAGE CONVECTION BU/R AIR VENT BK FUSETAN T.O.D. R SYSTEM TEMP SENSOR t° SOLENOID 120 VAC BROIL – 3000W THERMAL FUSE FUSE 280k @ 70° F/21.1° C P3-1 OR OR R BK BK P8-2 R 900W OUTPUT BU/R R BU J1-2 BR BR W SECONDARY J1-1 PRIMARY MAGNETRON INTERLOCK P8-4 CONV. T.O.D. CONV – 1500W T.O.D. SWITCH P7-6 VT W INTERLOCK J1-7 P7-5 GY/W P7-6 VT UPPER BLOWER SWITCH GY UPPER BLOWER W P7-6 VT BLOWER LOWER BLOWER BK P7-1 GRILL GRILL

P9-3 BU T.O.D. BK GRILL – 1200W W J1-6 P9-3 BU T.O.D. BK GRILL – 1200W W J1-6

P9-1 R J1-3 P9-1 R J1-3

PART NO. 8301826 FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8301826

PAGE 6 TECH SHEET – DO NOT DISCARD

CAN BE TESTED COMPONENTS LOCATIONS AT CONTROL PANEL COMPONENTS FRONT/TOP/REAR Electronic Control Blower Motor Electronic SERVICEABLE CHECK (Behind Front Filter POINTS RESULTS Panel) (mounted on Electronic Control Front — — Tech Terminal Block Sheet L1 and Neutral)

Electronic Filter Front — —

Control Transformer Front — —

Membrane Switch Front — —

Incandescent Light Light Bulb – Front — — Membrane MW Light Light Assy. – Rear Switch Transformer 20 amp Door Unlocked = Microwave Fuse Control Transformer

Latch Switch Front P5-6 (BU/W) to Open Circuit P5-1 (TAN) Door Locked =

Closed Circuit Grill Element Halogen Convection Convection Fan Assembly Light Fan Motor Thermal P7-3 (Y) to & Element Fuse Latch Motor Front Neutral (W) Approx. 2450 Air Pressure on Back Cavity Relief Valve & Thermal Fuse Door Open = Secondary Grill Door Switch Front P5-3 (BR/W) to Closed Circuit Interlock Switch Thermal Fuse P5-1 (TAN) Door Closed =

Open Circuit Rectifier

Oven Temperature Front P5-8 (V/W) to 1080 @ 70°F 15-Amp Sensor P5-9 (V/W) Line Fuse

Lower Console Rear P7-5 (GY/W) to 14 to 18 Turntable High Voltage Blowers Neutral (W) Motor Capacitor

P2-4 (R) or Monitor Magnetron Interlock Switch Thermal Fuse Oven Shutdown Rear P3-1 (OR) Closed Circuit Thermal Fuse to Red Wire at Primary High Voltage Interlock Switch Transformer Terminal Block Magnetron Cooling Fan Motor Convection Fan Rear P7-7 (OR/W) to 18 Air Vent Motor (Lower Oven) Neutral (W) Solenoid

P2-4 (R) to Red

Bake Element Rear Wire at Termi- 25 to 30

nal Block

P3-1 (OR) to Lower Blower

Broil Element Front Red Wire at 32 to 35 Motor Oven

Terminal Block Incandescent Temperature Lights Primary 40 to 45 Sensor Winding Less than 1 (Rear Panel) Microwave Light Front (Rear Panel) Transformer (M/W) Secondary Convection Winding Fan Motor Door Latch Assembly Halogen Light Light Bulb – Front — — (Latch & (M/W) Light Assy. – Rear Latch Motor)

Upper Blower (M/W) Rear P7-6 (VT) to 10 to 15 Neutral (W)

Convection Rear P10-3 (Y) to 44 Motor/Fan (M/W) Neutral (W) Oven All Other Microwave Rear — — Shutdown Components Thermal Fuse (Rear Panel)

CONTROL TRANSFORMER

Low Voltage Transformer

1st Primary Secondary (P17-1) Y 2nd SEC 1 26 VAC Secondary (P17-2) Y 3rd (P17-3) TAN Secondary SEC 2 24 VAC (P17-4) TAN BLK (P17-8) (P17-5) V SEC 3 7.5 VAC 120 VAC PRIMARY (P17-6) V 60 Hz

W (P17-10)

PART NO. 8301826 FOR SERVICE TECHNICIAN’S USE ONLY

TECH SHEET – DO NOT DISCARD PAGE 7

TESTING THE MICROWAVE OVEN COMPONENTS

COMPONENT TEST PROCEDURE RESULTS HIGH VOLTAGE TRANSFORMER 1. Remove the leads from the terminals. Normal = Less than 1 . Normal = Less than 1 . MAGNETRON 2. Set the ohmmeter to Rx1 and touch the leads to the terminals. Normal = 0 . Primary Normal = Infinity. Secondary Normal = Infinity. Filament to Ground Normal = approximately 0 . 3. Measure resistance (Rx100) Primary Normal = Infinity. Filament

1. Remove the leads from the terminals.

2. Set the ohmmeter to Rx1 and touch the leads to the F and FA terminals.

3. Set the ohmmeter to Rx1k and measure filament to chassis.

CAPACITOR 1. Remove the leads from the terminals. Normal = Momentarily RECTIFIER 2. Set the ohmmeter to Rx1k and touch the leads to the terminals. indicates several ohms, and FAN MOTOR gradually returns to infinity. 3. Terminal to chassis. 1. Remove the leads from the terminals. Normal = Infinity. 2. Set the ohmmeter to Rx1k and measure forward resistance. Normal = Continuity. 3. Measure the reverse resistance. Abnormal = Infinity. NOTE: Some inexpensive meters may show infinity in both directions. 1. Remove the leads from the terminals. Normal = Infinity. 2. Set the ohmmeter to Rx1 and touch the leads to the terminals. Abnormal = Continuity.

Normal = approximately 25 . Abnormal = Infinity.

TURNTABLE 1. Remove the leads from the terminals. Normal = approximately 25 . MOTOR 2. Set the ohmmeter to Rx1 and touch the leads to the terminals. Abnormal = Infinity.

THERMAL FUSES 1. Remove the leads from the terminals.

2. Set the ohmmeter to Rx1 and touch the leads to the terminals. Normal = Continuity. Abnormal = Infinity. Open Close Normal = 14 for both bulbs. Cavity Thermal Fuse 329° F (165° C) Normal = 7 for one bulb. Abnormal = Infinity. Cavity Grill and Magnetron Grill Thermal Fuse 320° F (160° C) 284° F (140° C) Magnetron Thermal Fuse 293° F (145° C) 257° F (125° C) Thermal Convection Fan Thermal Convection Fan Thermal Fuse 293° F (145° C) 221° F (105° C)

Fuse Thermal Fuses Fuse

GRILL ELEMENT 1. Remove the leads from the terminals.

Bulbs 2. Set the ohmmeter to Rx1 and touch the leads to the terminals.

AIR VENT 1. Remove the lead from one terminal. Normal = approximately 1650 . SOLENOID 2. Set the ohmmeter to Rx1k and touch the leads to the terminals. Abnormal = Infinity.

OVEN SHUTDOWN THERMAL FUSE Thermal Fuse Opening Reclose Marking Part No. Temp. °F The oven shutdown thermal fuse Temp. °F (with Black Letters) is located at the back of the oven. It will shut down the elements if the 4452223 266°F ± 10°F Pink/Wht Stripe temperature at the back of the oven exceeds component limits. 4451442 248°F+18°F to 248°F – 0°F Yellow/Wht Stripe

Verify that the oven shutdown thermal fuse is OK. 4450934 338°F ± 11.7°F –31°F Red 4450334 275°F ± 11.7°F MAX Orange/Wht Stripe To replace this thermal fuse, refer to chart at right for 4450250 320°F ± 11.7°F correct part number. Blue

4450249 302°F ± 11.7°F Green/Wht Stripe

8300802 230°F+18°F to 230°F – 0°F Blue/Wht Stripe

FOR SERVICE TECHNICIAN’S USE ONLY PART NO. 8301826

PAGE 8 TECH SHEET – DO NOT DISCARD

MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING UNITED STATES PATENTS:

4,102,322 4,364,589 4,467,184

OTHER PATENTS PENDING

PART NO. 8301826 FOR SERVICE TECHNICIAN’S USE ONLY