Appliance Desk 4000 Service Manual page 10

4. Unit won't fill
If the water can't reach the set level in the limited time, the error code
check it by following next steps:
Drain outlet below 24"
4.1
at a height of 24" - 40" from the floor. Otherwise the filling water will flow out the machine,
and the washer/combo will not work because the water can't reach the set level.
The water faucet closed
4.2
The water faucet is frozen
4.3
No water pressure
4.4
Air leakage on hoses
4.5
pressure switch (See figure below).
The strainer blocked
4.6
water, if you can feel a light vibration when you touch the working valve. Please unscrew the
inlet hose, and pull the strainer out, then rinse it under the running water. Insert the strainer
cap into the valve, and reconnect the hose.
Poor wiring connection to valves
4.7
valve (see figure below). Or check the wire loose from the plug housing JWL1-P19 (black wire),
P18 (red wire), or P20 (purple wire) on the electronic module. (See Appendix 1)
1-way valve for hot water
The valve is defective
4.8
: Make sure the drain hose is hang up, and the free end of it must be
: Turn on the water faucet.
: Defrost the faucet in winter.
: Check all the hoses are connected and not kinked or trapped.
: Check for any air leakage on the hoses, which connected with the
: The strainer in the valve is blocked by the foreign substance in the
: Disassemble the valve and check for the wire on the
: Check for the resistance of the coil of the valve, the reading should
~ 9 ~
E3
will be displayed on VFD. Please
3-way valve for cold water
CV1: Condenser
CV2: Wash
CV3: Pre-wash
CV2+CV3: Softener