46
LG 46 Error Code – Outdoor Suction Line Thermistor Error
Air Conditioner · HIGH Severity
What This Error Means
Outdoor unit suction line thermistor has disconnected or shorted out
Diagnostic & Repair Steps
1
Power Reset
Turn off at breaker, wait 5 min, restart.
Turn off at breaker, wait 5 min, restart.
RESET
~5 min
2
Locate Suction Line Thermistor
Find thermistor on suction line at outdoor unit.
Find thermistor on suction line at outdoor unit.
INSPECT
~10 min
3
Check Thermistor Connection
Disconnect and reconnect.
Disconnect and reconnect.
CHECK
~5 min
4
Measure Thermistor Resistance
Replace if open or shorted. ⚠️ Disconnect power first
Replace if open or shorted. ⚠️ Disconnect power first
TEST
~15 min
5
Refer to LG Service Manual
Visit www.lg-dfs.com for detailed troubleshooting.
Visit www.lg-dfs.com for detailed troubleshooting.
CHECK
~10 min
Need professional PCB repair in Colombo?
LG 46 errors often require board-level repair. Bottrixx, a trusted electronics repair company in Colombo 02, diagnoses and repairs Air Conditioner PCBs with fast turnaround and same-day service available.
Related LG Error Codes