Troubleshooting Guide - Goldstar BG8000ER Service Manual

Troubleshooting Guide

In general, possible trouble is classified in two kinds.
The one is called Starting Failure which is caused from an electrical defect, and the other is ineffective Air
Conditioning caused by a defect in the refrigeration circuit and improper application.
Unit runs but poor cooling.
Check cold air
circulation for smooth
flow.
Dirty indoor coil
(heat exchanger)
Malfunction of fan.
Clogging of air filter.
Obstruction at air outlet.
Remove obstruction.
Check clogging in refrigera-
tion circuit.
Repair clogging in
refrigeration circuit.
Ineffective Cooling
Check outdoor coil
(heat exchanger) and
fan operation.
Check gas leakage.
Repair gas leak.
Replacement of unit if
the unit is beyond repair.
Satisfactory operation
with temperature
difference of inlet & outlet
air; 44~50°F (7~10°C)
Troubleshooting Guide
Check heat load
increase.
Clean condenser.
Not on separate circuit
Check inside gas
pressure.
Adjust refrigerant
charge.
Malfunction of
compressor.
Replacement of
compressor.
Service Manual 27