Poor Heating Troubleshooting - Tadiran Telecom ANL-100 Service Manual

SKY

8.3 Poor Heating Troubleshooting.

Symptom
Refrigerant flow
1
failure
Air circulation
2
failure.
Installation failure.
3
4 Defrost failure.
Probable Cause
1. Refrigerant gas shortage.
2. Excessive overcharging
of refrigerant.
3. Gas leakage.
4. Clogging of strainer or
capillary tube.
5. 4-Way valve is
defective.
6. Solenoid 4-Way valve is
defective.
7. Compressor is defective.
8. Service valves are not
fully open.
Air filter is clogged.
1. Location of the indoor or
the outdoor units is not
according to the
instructions.
2. Refrigerant tubes between
the units are not installed
according to the
instructions.
TH3 Thermistor is defective.
-
Corrective Action
1. Charge refrigerant gas.
2. Recharge gas.
3. Repair leakage.
4. Replace strainer.
5. Replace 4-Way valve.
6. Replace solenoid.
7. Replace compressor.
8. Open the valves full.
Clean air filter.
1. Relocate units.
2. Relocate or replace tubes.
Replace TH3 Thermistor.
41 -