Si20-701_B
Troubleshooting by Remote Controller
306
Remote Controller Display
L8
Applicable Models
RZQ-K/H, RZQ(S)-B/C, RZR-KU/HU
Method of Error Detection
The error is detected from the current flowing to power
transistor into voltage with CT1 (DC current sensor).
Inverter PCB detects the disorder of position signal.
Error Decision Conditions
When compressor overload (except for when startup) is
detected.
Supposed Causes
Compressor overload (during operation)
Disconnected compressor coil
Defective inverter
Defective compressor (if bearing is scratched)
Defective outdoor unit PCB