Maytag MER6751AAB/Q/S/W ユーザーズマニュアル
Troubleshooting Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven before servicing, unless
testing requires power.
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
Disables all outputs
1, 2
Disables lights and timers
1c2c
Keyboard loop improper value
Nothing
Disables audible for key depression
Disables all outputs
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