Jenn-Air JGW8130DD series, Service Manual

Page: 20 / 60

Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to oven before servicing, unless
testing requires power.
16022514 Rev. 0
© 2004 Maytag Services
20
Diagnostic Code Checking
Code Description When Checked Debounce
3d11 Sensor open Cook or clean active 5 seconds
3d21 Sensor shorted Cook or clean active 5 seconds
4d11 Door switch input circuit failure Clean active 1 minute
4d21 No cool fan rotation (no RPM) Cook or clean active 1 minute
9d11 Latch will not lock Latch should be locked 1 minute
9d21 Latch will not unlock Latch should be unlocked 1 minute
9d31 Unlock state unknown Always 1 minute
9d41 Unlock condition Always 1 minute
9d51 Lock and unlock state unknown Always 1 minute
9d61 Door position switch open circuit Clean active 1 minute
1d11 Runaway temp, door unlocked Latch unlocked 5 seconds
1d21 Runaway temp, door locked Latch locked 5 seconds
1c1c Shorted key Always 1 minute
1c31 Cancel key circuit Always 1 minute
1c4c Micro communication failure Serial communications 3 tries
1c5c Vcc or ground Cook or clean active 1 minute
1c6c EEPROM error Cook or clean active 3 tries
1c7c Control not calibrated Always 5 seconds
1c8c Cooking program error Cook or clean active 5 tries
Diagnostic Code Handling
Code Measurable What is Displayed Action Taken By Control
3d11 Sensor resistance BAKE flashes* Disable all cooking functions
3d21 Sensor resistance BAKE flashes* Disable all cooking functions
4d11 Voltage at switch input circuit Nothing Disable Clean function
4d21 No cool fan rotation (no RPM) Nothing Disable all outputs
9d11
Lock switch, open (Clean activated)
LOCK flashes* Ignore soil level selection,
disable clean
9d21 Lock switch, closed (Clean non-activated) LOCK on steady Disable cooking functions
9d31 Unlock switch open Nothing No action
9d41 Unlock switch shorted Nothing No action
9d51 Latch switch not locked or unlocked Nothing Disable Clean function
9d61 Door Position open Nothing Disable Clean function
1d11 Sensor resistance > 2293 Ohms Nothing Disable all outputs
1d21 Sensor resistance > 2662 Ohms Nothing Disable all outputs
1c1c Key press sensed Nothing
Disable audible for key
depression, disable key
1c31 Cancel key input A/D out of range Nothing Disable all outputs
1c4c Checksum invalid Nothing No action
1c5c VCC/GND at test point Nothing No action
1c6c Checksum invalid Nothing No action
1c7c Calibration value out of range Nothing No action
1c8c Checksum invalid Nothing No action
* Flash rate: 0.2 seconds on, 0.1 seconds off