T
ROUBLESHOOTING
Vector® F Series
▪
Service M anual
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MN-46896
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Rev 01
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07/20
60
Chamber Lights do not Illuminate
Before you start
Remove the service panel.
WARNING:
Electric shock and arc flash hazard.
Use caution when measuring line voltage.
Wear Personal Protective Equipment (PPE).
NOTICE
Do not operate the oven in a cooking mode for an extended
period of time with the top panel removed. Damage to the
electronics may occur without adequate cooling airflow.
An auxiliary fan must be used if the oven will be operated in a
cooking mode for an extended period of time with the top
panel removed.
Is the oven ON?
No
Turn the oven ON.
Yes
Check the light icon on screen. Is the light icon
selected?
No
Press the light bulb icon to turn on
the lights.
Yes
Check for 12VDC voltage at P5 on the control board. Is
there 12VDC to the light?
No
Replace the control board.
Yes
Remove the 2 amp fuse from the holder. Is the fuse
closed?
No
Test the system circuit wiring and
components for shorts to ground.
Repair any issues found and replace
the fuse.
Yes
Remove the light fixture and test for 12VDC at the
light fixture. Is there 12VDC at the light fixture?
No
Inspect the wiring between the
control board P5 terminal and the
light fixture. Repair any breaks,
open circuits, or lose connections in
the line and retest.
Yes
Replace the faulty light bulb(s).
