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Troubleshooting Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven before servicing, unless
testing requires power.
©2004 Maytag Services 16023416 11
Diagnostic Code Checking
Code Description When Checked Detection
1c1c Shorted key Always 1 minute
1c2c Keyboard tail disconnected Always 1 minute
1c31 Cancel key circuit problem Always 20 seconds
1c32 Cancel key circuit problem Always 20 seconds
1c6c EEPROM error When accessing EEPROM 3 tries
1c7c Control not calibrated Always 3 tries
1c8c Cooking program error Cook or clean programmed 3 tries
1d11
Runaway temp (650°F), door unlocked
Latch unlocked 1 minute
1d12
Runaway temp (650°F), door unlocked
Latch unlocked 1 minute
1d21
Runaway temp (950°F), door locked
Latch locked 1 minute
1d22
Runaway temp (950°F), door locked
Latch locked 1 minute
3d11 Sensor open Cook or clean active 20 seconds
3d12 Sensor open Cook or clean active 20 seconds
3d21 Sensor shorted Cook or clean active 20 seconds
3d22 Sensor shorted Cook or clean active 20 seconds
4d11 Door switch position failure Clean or keyboard Lockout active 1 minute
4d12 Door switch position failure Clean or keyboard Lockout active 1 minute
4d21 No reverse airflow fan rotation (no/low RPM) Clean or Cook programmed 1 minute
4d31 Reverse airflow fan state (on when should be off) Suppose to be OFF 1 minute
4d51 Door switch circuit failure Convect, Clean or Keyboard Lockout programmed 1 minute
4d52 Door switch circuit failure Convect, Clean or Keyboard Lockout programmed 1 minute
9d11 Latch will not lock Latch should be locked
See Note
6
9d12 Latch will not lock Latch should be locked
See Note
6
9d21 Latch will not unlock Latch should be unlocked
See Note
6
9d22 Latch will not unlock Latch should be unlocked
See Note
6
9d31 Latch state unknown, both locked and unlocked Latch should be locked or when lock attempted
See Note
6
9d32 Latch state unknown, both locked and unlocked Latch should be locked or when lock attempted
See Note
6
Diagnostic Code Handling
Code Measurable What is Displayed Action Taken By Control
1c1c Keypress Nothing
Disables audible for affected key depression
Disables all outputs
1, 2
Disables 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 of range
“CAL” in the time digits Completely disables oven
4
1c8c CRC invalid Nothing Cancels active cook function
1d11
Sensor resistance > 2237
Ω
BAKE flashes
3
Disables all cook function for cavity
1d12
Sensor resistance > 2237
Ω
BAKE flashes
3
Disables all cook function for cavity
1d21
Sensor resistance > 2787
Ω
BAKE flashes
3
Disables all cook function for cavity
1d22
Sensor resistance > 2787
Ω
BAKE flashes
3
Disables all cook function for cavity
3d11
Sensor resistance > Infinite
Ω
BAKE flashes
3
Disables all cook function for cavity
3d12
Sensor resistance > Infinite
Ω
BAKE flashes
3
Disables all cook function for cavity
3d21
Sensor resistance > 0
Ω
BAKE flashes
3
Disables all cook function for cavity
3d22
Sensor resistance > 0
Ω
BAKE flashes
3
Disables all cook function for cavity
4d11 Door switch not closed when door is locked
Nothing Disables Clean and Lockout functions
5
4d12 Door switch not closed when door is locked
Nothing Disables Clean and Lockout functions
5
4d21 No reverse airflow fan rotation (no/low RPM) Nothing Disables all cook function for cavity
4d31 Reverse airflow fan state (on when should be off) Nothing No action
4d51 Door switch not open or closed Nothing
Disables Convect, Clean, and Lockout functions
4, 5
Turn off light and disable light from door switch
4d52 Door switch not open or closed Nothing
Disables Convect, Clean, and Lockout functions
4, 5
Turn off light and disable light from door switch
9d11 Lock switch not closed
LOCK flashes
3
Disables Clean and Lockout functions
4
9d12 Lock switch not closed
LOCK flashes
3
Disables Clean and Lockout functions
4
9d21 Unlock switch not closed
LOCK flashes
3
Disables Clean and Lockout functions
4
9d22 Unlock switch not closed
LOCK flashes
3
Disables Clean and Lockout functions
4
9d31 Latch both locked and unlocked
LOCK flashes
3
Disables Clean and Lockout functions
4
9d32 Latch both locked and unlocked
LOCK flashes
3
Disables Clean and Lockout functions
4