Magic Chef CER3725AGW, Сервисная инструкция

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Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to range before servicing, unless
testing requires power.
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16026839 15
Diagnostic Code Checking
Code Description When Checked Detection
1c1c Shorted key Always 1 minute
1c31 Cancel key circuit problem Always 1 minute
1c4c Micro communication failure Serial communications 5 tries
1c5c Vcc or ground Cook active 1 minute
1c6c EEPROM error Cook active 5 tries
1c7c Control not calibrated Always 5 seconds
1c8c Cooking program error Cook active 5 tries
1d11 Runaway temp Always 5 seconds
3d11 Sensor open Cook active 5 seconds
3d21 Sensor shorted Cook active 5 seconds
Diagnostic Code Handling
Code Measurable What is Displayed Action Taken By Control
1c1c Keypress Nothing
Disables affected key
Disables audible for affected key
depression
1c31 Cancel key input, A/D out of range Nothing Disables all outputs
1
1c4c Checksum invalid Nothing Disables all outputs
1
1c5c Vcc/ground at test point Nothing No action
1c6c EEPROM error Nothing Disables all outputs
1
1c7c Calibration value out of range Nothing No action
1d11 Sensor resistance > 640° F
(337° C)
Nothing
Return to idle; disables all outputs
1
3d11 Sensor resistance BAKE flashes
2
Disables all cooking functions
3d21 Sensor resistance BAKE flashes
2
Disables all cooking functions
NOTES:
1
"Action Taken" applies as long as the condition exists. If the condition clears, the control recovers.
2
Flash rate: 0.2 seconds on, 0.1 second off. Pressing any key clears the display until the fault clears and is re-triggered.