Merrychef 402s Service & Parts Manual

36
402s Ovens Part. N
o.
32Z3539 Issue 5
Check cable from logic PCB to
display is in place and no obvious
wires are disconnected or shorted.
Still Have a problem?
Using spare display
connect to Logic PCB
Check 15 Way Ribbon
Cable between
Logic and Relay PCB.
Still Have a Problem?
Check Connection Output
at Aux Transformer.
Check Power supply to Relay PCB
Check Fuse on Relay PCB
Still Have a Problem?
1.0 No Display
ON
Is Logic PCB
Active ?
See D7 LED
OFF
Is Relay PCB
Active see D27
OFF
ON
Still Dead
Spare Display
works
Replace
Display
Replace Logic PCB

Merrychef 402s Specifications

General

Brand	Merrychef
Model	402s
Category	Microwave Oven
Language	English