Maytag CG31400ADW, Service Manual

Page: 18 / 63

Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power and gas to oven before servicing,
unless testing requires power and/or gas.
18 16023522
©2004 Maytag Services
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
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
1d21
Runaway temp (950
°
F), door locked
Latch locked 1 minute
3d11 Sensor open Cook or clean active 20 seconds
3d21 Sensor shorted Cook or clean active 20 seconds
9d11 Latch will not lock Latch should be locked 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
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 Ohms BAKE flashes
3
Disables all cook function for cavity
1d21 Sensor resistance > 2787 Ohms BAKE flashes
3
Disables all cook function for cavity
3d11
Sensor resistance > Infinite Ohms BAKE flashes
3
Disables all cook function for cavity
3d21
Sensor resistance > 0 Ohms 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
4d51 Door switch not open or closed
Nothing
Disables 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