Troubleshooting by Remote Controller Si20-701_B
309
3.70
L9
Stall Prevention (Time Lag)
Remote Controller Display
L9
Applicable Models
RZ(Y)
Method of Error Detection
Current flowing in the power transistor is converted to
voltage by T1C (DC current sensor) for detection.
Error Decision Conditions
When overload in the compressor is detected during
startup
Supposed Causes
îš„ Defective compressor (seizing)
îš„ Pressure difference during startup
îš„ Defective inverter
îš„ Defective outdoor unit PCB
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