CONDITION
1. Dehumidifier does not start. (Both
compressor and fan motor do not
operate.)
2. Motor runs but compressor does not
run.
3. Does not defrost control.
4. Insufficient dehumidification
CAUSE
No power
Poor plug contact at outlet.
Bucket is full.
Humidity control is at Off position
Wire disconnect or loose
Capacitor.
(Discharge capacitor before testing.)
Voltage (115V ± 10%)
Wiring
Rotary switch
Defrost control
Capacitor
(Discharge capacitor before servicing.)
Compressor
Overload protector (O.L.P.)
Defrost control is defective.
Low relative humidity
Poor air circulation
H/E clogged with dust and dirt
Air filter is dirty.
Motor is not operating.
REMEDY
Check power supply at outlet.
Correct if none.
Install plug properly or replace it.
If Auto Shut Off lights, empty the bucket
and replace properly.
Turn the humidity control switch toward
Max.
Connect wire. Refer to wiring diagram for
terminal identification. Repair or replace
loose terminal.
Test capacitor.
Replace if not within ±10% of
manufacturer's rating. Replace if shorted,
open, or damaged.
It must be between 103.5V and 126.5V. If
not within limits, call an electrician
Check the wire connections; If loose,
repair or replace the terminal. If the wires
are disconnected, refer to wiring diagram
for identification, and replace the wires.
Check the wire connections; If not
according to the wiring diagram, correct
the connections.
Check for continuity, refer to the wiring
diagram for terminal identification. Replace
the switch if the circuit is open.
The Defrost Control senses frost build-up
on the evaporator coil and automatically
shuts off the compressor. The fan
continues to run, drawing air across the
coil, and melting the frost. When the coil is
defrosted, the compressor automatically
restarts, and dehumidifying resumes.
Check the capacitor.
Replace if not within ±10% of
manufacturer's rating. Replace if shorted,
open, or damaged.
Check the compressor for open circuit or
ground. If open or grounded, replace the
compressor.
Check the compressor O.L.P. if externally
mounted. Replace if open. (If the
compressor temperature is high, remove
O.L.P., cool, and retest.)
Check defrost control, replace it.
Turn dehumidifier off.
Move dehumidifier to obtain free and
unobstructed air circulation.
Clean evaporator and/or condenser assembly
Clean it.
Check Motor, repair or replace it.
—18—
Summary of Contents for , DH4010B
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Page 27: ...P No 3828A30039T March 2001 Printed in Korea ...
