Tadiran Telecom AVL-200 Service Manual page 29

SKY
General Troubleshooting (continued).
Symptom
Water accumulates
9
and overflows from
evaporator drain
pan.
10 Water dripping
from the condenser
base (in Heat
mode).
11 Indoor fan is not
running at all.
12 Outdoor fan is not
running at all.
13 Compressor motor
is not running at all
Probable Cause
Drain pan pipe or hose is
clogged or the spout of drain
pan is clogged.
Water drain outlet or the spout
is clogged.
1. Power supply failure.
2. Fan motor relays failure.
3. Fan contactor failure.
4. Motor winding failure
(check resistance).
1. Power supply failure.
2. Fan motor relays failure.
3. Fan contactor failure.
4. Motor winding failure
(check resistance).
1. Failure in compressor
motor magnetic contactor.
2. Failure in KP-5.
3. Compressor motor winding
failure (check resistance).
Corrective Action
Disassemble plastic drain-pipe from spout
of evaporator drain pan.
Flush with clean water.
Open condenser cover, clean out water
outlet, and clean the base inside
thoroughly.
1. Check power supply.
2. Replace faulty relays.
3. Replace faulty contactor.
4. Replace the fan motor.
1. Check power supply.
2. Replace faulty relays.
3. Replace faulty contactor.
4. Replace the fan motor.
1. Replace faulty contactor.
2. Reset KP-5.
3. Replace the compressor.
- 29 -