Stall Prevention (Time Lag) - Daikin ZQG71~140L7V1B Service Manual

ESIE12-06

4.25 Stall Prevention (Time Lag)

L9
Remote
Controller
Display
Applicable
RZQG
Models
Method of Error
The error is detected by converting the current flowing to power transistor into voltage with CT1
Detection (DC current sensor).
Inverter PCB detects the disorder of position signal.
Error Decision When compressor overload and change of load are detected when startup
Conditions
Supposed
 Stop valve is not opened.
Causes  Pressure differential startup
 Defective outdoor unit inverter PCB
 Defective compressor (lock)
Service Diagnosis
Troubleshooting by Remote Controller
171