Thor Kitchen HC-767, Repair Manual, Page: 40 / 65

8. Trouble Diagnosis
8.1 Faulty Start (R/F compartment Lights Off, Front PCB Power OFF)
R-compartment lights
up or not?
Whether there is light or sound of
the display panel?
Check display panel is
plugged normal or not?
If normal, please replace the
control panel
N
Y
Compressor is running
or not?
N
Check the Main PCB is
plugged normal or not?
If normal, replace the main
PCB
Y
Check power input to
Main PCB is ok or not?
N
Check power rod is
connected normal or not
Y
Check main PCB voltage
output is ok or not?
N
Replace main PCB
Y
Replace display panel
Y
Check the fault location
according to the error code
See Schedule 1
N
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