All Lights, Or One Bank Of Lights, Will Not Illuminate - Alto-Shaam HSM-24/5S Service Manual

All Lights, or one Bank of Lights, will not
Illuminate
Heate d S h el f M er chan d i se r Se rvice Manu al
?
Measure the voltage across the brown and blue wires
of the power supply.
Does the measured voltage correspond to the voltage
printed on the serial number tag?
Yes
Measure the voltage across the red and black wires of
the power supply
Is the measured voltage 12 VDC?
Yes
Measure the voltage from the load side of the fuses to
the black wire of the power supply
Is the measured voltage 12 VDC?
MN -3 9054 Rev 1
? ?
No
No
No
Yes
4/17
?
T
ROUBLESHOOTING
Repair or replace the wiring
Replace the power supply
Replace the fuse
Repair or replace the wiring from
the terminal blocks to the lights
39