Jenn-Air JGW8130DD series Service Manual page 20

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