Diagnosis And Trouble Shooting; Wash Cycle - Appliance Desk 4000 Service Manual

1. Unit won't power on
No power input
1.1
Poor connection with the power terminals
1.2
located on the right rear corner of the cabinet when looking from front. Re-plug and test them
again. ( See figure below)
No power on Electronic Module
1.3
electronic module. (EM located on the bottom left corner of machine when looking from back.
To remove EM, remove back panel & screws located on outside of cabinet.)
No communication between two panels:
1.4
cable between two boards, or replace another one to test.
How to Replace A Communication Cable?
 Power off and unplug the unit.
 Remove two screws and washers on the rear side of work top. Lift the work top up a little by holding its
rear side, and then push it towards the door to remove the work top.

DIAGNOSIS AND TROUBLE SHOOTING

: Check that the cord is plugged in, and circuit breaker or fuse is OK.
Cable Plug on EM

WASH CYCLE

: Check for the condition of terminal (JP)
: Check for the condition of plug housing JW1 on the
Check for the condition of the communication
~ 6 ~
JW1
Cable Plug on DP