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Component Testing Procedures

WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to range before servicing, unless
testing requires power.

July 2006

16027361

Illustration Component

Test

Procedure

Results

Bake element, upper

Disconnect wire leads to element and
measure resistance of terminals...............

Measure voltage at bake element.............

Approximately 31.0

Ω

240 VAC, see wiring diagram for terminal
identification. If voltage is not present at
bake element, check wiring.

Bake element, lower

Disconnect wire leads to element and
measure resistance of terminals...............

Measure voltage at bake element.............

Approximately 21.3

Ω

240 VAC, see wiring diagram for terminal
identification. If voltage is not present at
bake element, check wiring.

Broil element, upper

Disconnect wire leads to element and
measure resistance of terminals..............

Measure voltage at broil element.............

Approximately 25.4

Ω

. If not, replace.

240 VAC, see wiring diagram for terminal
identification. If voltage is not present at
broil element, check wiring.

Broil element, lower

Disconnect wire leads to element and
measure resistance of terminals...............

Measure voltage at broil element..............

Approximately 18.6

Ω

240 VAC, see wiring diagram for terminal
identification. If voltage is not present at
broil element, check wiring.

Indicator lights

Measure voltage at indicator light ............. If voltage is present and light does not

work, replace light.
If voltage is not present at indicator light,
check wiring.

Rocker switch

Measure continuity of switch positions:

Open.....................................................
Closed ..................................................

Infinite.
Continuity.

Door plunger switch

Measure continuity at the following
points:

C-NO ....................................................

Plunger in:

......................Continuity.

Plunger out:

....................Infinite.

Limiter Normally

closed.

Verify proper operation.

Open....... Approx. 216° F (102° C) ......
Closed..... Approx. 176° F (80° C).........

Infinite.
Continuity.

Autolatch assembly
with switch

Disconnect wires and test for continuity
per wiring diagram....................................

Refer to Parts Manual for correct
autolatch switch associated with the
correct manufacturing number.

See wiring diagram for schematic layout.
Access assembly by removing left side
panel.

Temperature sensor

Measure resistances ................................ Approximately 1000

Ω

at room

temperature (75° F).

Convection element

Disconnect wiring to element and
measure cold resistance of terminals .......
Measure voltage at convect element ........

Approximately 30

Ω

240 VAC.

Convection motor,
2-speed

Measure voltage.......................................
Remove wires, check resistance..............
Check motor windings to ground ..............

Motor, hi-speed.....................................
Motor, low-speed ..................................

120 VAC.
Approximately 30

Ω

No continuity.
Approximately 1200 RPM.
Approximately 900 RPM.

Содержание MER6875BA Series

Страница 1: ...g 12 9 kW 9 7 kW Frequency 60 Hz Element Wattage 240 V Ribbon element 6 inch warmer 100 W Ribbon element 6 1 200 2 Ribbon element dual 9 2 400 1 100 Ribbon element triple 12 2 700 2 000 1 000 Convection Element 1 850 Oven Wattage 240 V Upper Bake 4 pass 1 800 Lower Bake 4 pass 2 600 Upper Broil 4 pass 2 200 Lower Broil 4 pass 3 000 Convection 1 850 Oven Interior Dimensions in cm Height 16 1 2 42 W...

Страница 2: ...VAC If voltage is not present check wiring 2700 1000 1000W triple Measure voltage at element Disconnect wiring to element and measure cold resistance of terminals 240 VAC 700 W Outer Approx 82 Ω 1000 W Middle Approx 57 Ω 1000 W Inner Approx 57 Ω 1300 1100W dual Measure voltage at element Disconnect wiring to element and measure cold resistance of terminals 240 VAC 1300 W Outer Approx 43 Ω 1100 W I...

Страница 3: ...ent Approximately 18 6 Ω 240 VAC see wiring diagram for terminal identification If voltage is not present at broil element check wiring Indicator lights Measure voltage at indicator light If voltage is present and light does not work replace light If voltage is not present at indicator light check wiring Rocker switch Measure continuity of switch positions Open Closed Infinite Continuity Door plun...

Страница 4: ...ure 5 degrees each time Wait 4 seconds for the data entry timer to expire to accept the change Temperature adjustment will be retained even through a power failure While increasing or decreasing oven temperature oven self cleaning temperature is not affected H2 5 Temperature Display Press and hold Upper Cancel and Upper Bake pads for 3 to 5 seconds Indicates F or C on the display H2 5 Clock Displa...

Страница 5: ...ile memory See Description of Error Codes for explanation Illustration Component Procedure Results Control Panel Assembly Continuity is indicated as follows Cancel and Warming Zone pads 6600 Ω max All other pads 10000 Ω max NOTE Pins 6 9 are jumped together in control NOTE Pins 1 10 and 11 18 are loops in circuit 1 18 11 10 Pad 1 2 3 4 5 6 7 8 9 0 Lower Cancel Lower Cancel Upper Cancel Upper Cance...

Страница 6: ... BROIL CONVECT ELEMENT CONVECT FAN OVEN LIGHT IDLE r r r r BAKE PREHEAT r r BAKE r r BROIL PREHEAT r r r BROIL r r r CLEAN PREHEAT r r r r CLEAN r r r r KEEP WARM r r r CONVECT BAKE PREHEAT CONVECT BAKE CONVECT ROAST PREHEAT CONVECT ROAST PROOFING PREHEAT r r r PROOFING r r r DRYING PREHEAT r r DRYING r r During preheat cycle upper oven bake and broil elements are used at full power when lower ove...

Страница 7: ...ion Fan on high speed CLEAN MDL relay activated COOK HOLD Displays last diagnostic code FAVORITE Displays EEPROM version number TIMER Displays main code version number CLOCK All display segments illuminated OVEN LIGHT Oven light activated CANCEL Exit Quick Test mode 1 Even segments on 2 Odd segments on 3 Convection Ring activated Convection Ring DLB activated 4 N A 5 N A 6 N A 7 N A 8 N A 9 N A AU...

Страница 8: ...ables lights and timers 1c2c Keyboard loop improper value Nothing Disables audible for key depression Disables all outputs 1 Disables lights and timers 1c31 Cancel key improper value BAKE flashes 3 Disables all outputs for cavity 1 1c32 Cancel key improper value BAKE flashes 3 Disables all outputs for cavity 1 1c6c No response from EEPROM Nothing Disables all outputs 1 1c7c Calibration value out o...

Страница 9: ...ked position is achieved The unlock position may be identified by a successful unlock switch closure or as the result of timing when the unlock switch is not functioning properly If the last known good position was unlock e g baking or idle and a latch fault occurs the motor is never moved The fault is logged to EEPROM and is not seen by the user Latch fault detection is in two stages The first st...

Страница 10: ...am and Schematic WARNING To avoid risk of electrical shock personal injury or death disconnect power to range before servicing unless testing requires power 16027361 10 July 2006 2006 Maytag Services Wiring Diagram ...

Страница 11: ... Schematic WARNING To avoid risk of electrical shock personal injury or death disconnect power to range before servicing unless testing requires power July 2006 11 16027361 2006 Maytag Services Schematic Control Circuits ...

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