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Testing Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power to oven before servicing, unless
testing requires it.
Diagnostic Code Checking
Code
1c1c
Shorted key
1c2c
Keyboard tail disconnected
1c31
Cancel key circuit problem
1c32
Cancel key circuit problem
1c6c
EEPROM error
1c7c
Control not calibrated
1c8c
Cooking program error
1d11
Runaway temp (650°F), door unlocked
1d12
Runaway temp (650°F), door unlocked
1d21
Runaway temp (950°F), door locked
1d22
Runaway temp (950°F), door locked
3d11
Sensor open
3d12
Sensor open
3d21
Sensor shorted
3d22
Sensor shorted
4d11
Door switch position failure
4d12
Door switch position failure
4d21
No reverse airflow fan rotation (no/low RPM)
4d31
Reverse airflow fan state (on when should be off)
4d51
Door switch circuit failure
4d52
Door switch circuit failure
9d11
Latch will not lock
9d12
Latch will not lock
9d21
Latch will not unlock
9d22
Latch will not unlock
9d31
Latch state unknown, both locked and unlocked
9d32
Latch state unknown, both locked and unlocked
Diagnostic Code Handling
Code
1c1c
Keypress
1c2c
Keyboard loop improper value
1c31
Cancel key improper value
1c32
Cancel key improper value
1c6c
No response from EEPROM
1c7c
Calibration value out of range
1c8c
CRC invalid
1d11
Sensor resistance > 2237
1d12
Sensor resistance > 2237
1d21
Sensor resistance > 2787
1d22
Sensor resistance > 2787
3d11
Sensor resistance > Infinite
3d12
Sensor resistance > Infinite
3d21
Sensor resistance > 0
3d22
Sensor resistance > 0
4d11
Door switch not closed when door is locked
4d12
Door switch not closed when door is locked
4d21
No reverse airflow fan rotation (no/low RPM)
4d31
Reverse airflow fan state (on when should be off)
4d51
Door switch not open or closed
4d52
Door switch not open or closed
9d11
Lock switch not closed
9d12
Lock switch not closed
9d21
Unlock switch not closed
9d22
Unlock switch not closed
9d31
Latch both locked and unlocked
9d32
Latch both locked and unlocked
18
!
Description
Measurable
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
W ARNING
When Checked
Always
Always
Always
Always
When accessing EEPROM
Always
Cook or clean programmed
Latch unlocked
Latch unlocked
Latch locked
Latch locked
Cook or clean active
Cook or clean active
Cook or clean active
Cook or clean active
Clean or keyboard Lockout active
Clean or keyboard Lockout active
Clean or Cook programmed
Suppose to be OFF
Convect, Clean or Keyboard Lockout programmed
Convect, Clean or Keyboard Lockout programmed
Latch should be locked
Latch should be locked
Latch should be unlocked
Latch should be unlocked
Latch should be locked or when lock attempted
Latch should be locked or when lock attempted
What is Displayed
Disables audible for affected key depression
Nothing
Disables all outputs
Disables lights and timers
Disables audible for key depression
Nothing
Disables all outputs
Disables lights and timers
3
BAKE flashes
Disables all outputs for cavity
3
BAKE flashes
Disables all outputs for cavity
Nothing
Disables all outputs
"CAL" in the time digits
Completely disables oven
Nothing
Cancels active cook function
3
BAKE flashes
Disables all cook function for cavity
3
BAKE flashes
Disables all cook function for cavity
3
BAKE flashes
Disables all cook function for cavity
3
BAKE flashes
Disables all cook function for cavity
3
BAKE flashes
Disables all cook function for cavity
3
BAKE flashes
Disables all cook function for cavity
3
BAKE flashes
Disables all cook function for cavity
3
BAKE flashes
Disables all cook function for cavity
Nothing
Disables Clean and Lockout functions
Nothing
Disables Clean and Lockout functions
Nothing
Disables all cook function for cavity
Nothing
No action
Disables Convect, Clean, and Lockout functions
Nothing
Turn off light and disable light from door switch
Disables Convect, Clean, and Lockout functions
Nothing
Turn off light and disable light from door switch
3
LOCK flashes
Disables Clean and Lockout functions
3
LOCK flashes
Disables Clean and Lockout functions
3
LOCK flashes
Disables Clean and Lockout functions
3
LOCK flashes
Disables Clean and Lockout functions
3
LOCK flashes
Disables Clean and Lockout functions
3
LOCK flashes
Disables Clean and Lockout functions
16022506
Detection
1 minute
1 minute
20 seconds
20 seconds
3 tries
3 tries
3 tries
1 minute
1 minute
1 minute
1 minute
20 seconds
20 seconds
20 seconds
20 seconds
1 minute
1 minute
1 minute
1 minute
1 minute
1 minute
See Note
See Note
See Note
See Note
See Note
See Note
Action Taken By Control
1, 2
1
1
1
1
4
5
5
4
4
4
4
4
4
©2003 Maytag Appliances Company
6
6
6
6
6
6
4, 5
4, 5
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