Service manual

Troubleshooting
Diagnostic Procedure for Check Code
82
14
Check code Operation cause
[A0]
TD1 sensor open/short
TD1 sensor alarm
Open/short of TD1 sensor was detected. Check connector (TD1 sensor: CN502)
and characteristics of sensor resistance value.
When sensor is normal, replace interface P.C. board of the outdoor unit.
Check code Operation cause
[A1]
TD2 sensor open/short
TD2 sensor alarm
Open/short of TD2 sensor was detected. Check connector (TD2 sensor: CN503)
and characteristics of sensor resistance value.
When sensor is normal, replace interface P.C. board of the outdoor unit.
Check code Operation cause
[A2]
TS1 sensor open/short
TS1 sensor alarm
Open/short of TS1 sensor was detected. Check connector (TS1 sensor: CN504)
and characteristics of sensor resistance value.
When sensor is normal, replace interface P.C. board of the outdoor unit.