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Maytag MER6875BA Series, Technical Information, Page: 5 / 11

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Maytag MER6875BA Series Technical Information Download Page 5

Control 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 

5 

16027361 

©2006 Maytag Services 

 

Control Feature 

Procedure 

Results 

H2.5 Beeper 

Volume  Press and hold 

Upper Cancel

 and 

Delay

 

pads for 3 to 5 seconds to adjust beeper 
loudness level.  Change setting by pressing 
the 

Autoset

 pad. 

Volume settings are Low, Medium and 
High. 

H2.5 

Child lock out 

Press and hold 

Upper

 

Cancel

 and 

Cook & 

Hold 

pads for 3 to 5 seconds. 

"OFF"

 will 

display where the temperature normally 
appears. 

"LOCK"

 flashes while door is 

locking. 
To reactivate the control, press and hold 

Cancel

 and 

Cook & Hold 

pads

 

for 3 

seconds.  

This disables the electronic oven control 
and prevents children from accidentally 
programming the oven. 
 
Child lockout features must be reset after 
a power failure. 

H2.5 Diagnostic 

Code 

Display 

Press and hold 

Upper

 

Cancel

 and 

Autoset 

pads for 3 to 5 seconds.  
See "Quick Test Mode." 
Cycle through the codes using the number 
pads 1 through 5. 

The last 5 diagnostic codes are stored in 
non-volatile 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 Cancel 
Convect Bake 
Proofing 
Delay 
Clock 
Favorite 
Lower Clean 
Upper Clean 
Lower Bake 
Lower Oven Light 
Upper Keep Warm 
Upper Oven Light 
Autoset 
Lower Keep Warm 
Conv Roast 
Lower Broil 
Upper Bake 
Timer 2 
Cook & Hold 
Upper Broil 
Timer 1 
Toast 
Warm Zone 
Warm Zone 
Warm Zone 

Trace 

14 & 16 
16 & 17 
6 & 8 
6 & 7 
8 & 17 
7 & 14 
6 & 15 
5 & 14 
6 & 14 
8 & 14 
1 & 2 
1 & 3 
11 & 12 
11 & 13 
4 & 15 
4 & 14 
6 & 16 
5 & 16 
5 & 7 
5 & 15 
7 & 16 
8 & 15 
7 & 15 
7 & 17 
15 & 16 
14 & 17 
4 & 8 
8 & 16 
4 & 5 
14 & 15 
4 & 7 
5 & 6 
5 & 17 
4 & 16 
7 & 8 
4 & 6 
4 & 17 
6 & 17 

Measurement

Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 
Continuity 

 

Summary of Contents for MER6875BA Series

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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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