Unique WS Series User Manual

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WS
Series
Advanced air conditioning systems
General Troubleshooting (continued).
Symptom Probable Cause Corrective Action
5
Low Capacity. 1. Lack of refrigerant causes
ice formation on the
evaporator coil (in Cool
mode).
2. Clogged air filters.
1. Unit must be charged (according to
the nameplate) after localizing the
gas leak.
2. Clean filters.
6
Water
accumulates
and overflows from
evaporator drain
pan.
Drain pan pipe or hose is
clogged or the spout of
drain pan is clogged.
Disassemble plastic drain-pipe from
spout of evaporator drain pan.
Flush with clean water.
7
Indoor fan is not
running at all.
1. Failure in motor capacitor.
2. No voltage out of P.C.B.
assembly for fan motor.
3. Motor winding failure
(check resistance).
1. Replace the capacitor.
2. Replace the P.C.B. assembly.
3. Replace the fan motor.
8
Compressor motor
is not running at all
1. Failure in compressor
motor magnetic contactor.
2. Compressor motor winding
failure (check resistance).
1. Replace faulty contactor.
2. Replace the compressor.

Unique WS Series Specifications

General

Brand	Unique
Model	WS Series
Category	Air Conditioner
Language	English