Troubleshooting by Remote Controller Si20-701_B
303
3.69
L8
Electronic Thermal (Time
Lag)
Remote Controller Display
L8
Applicable Models
RZQG
Method of Error Detection
The error is detected from the current flowing to power
transistor into voltage with CT1 (DC current sensor).
Error Decision Conditions
When compressor overload (except for when startup) is
detected
Supposed Causes
îš„ Disconnected compressor coil
îš„ High pressure is abnormal high
îš„ Defective compressor (if bearing is scratched)
îš„ Defective outdoor unit PCB
îš„ Stop valve is not opened
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