Inverter Startup Error - Daikin SkyAir RZR-P Series Service Manual

Troubleshooting by Remote Controller

2.39 Inverter Startup Error

L9
Remote
Controller
Display
Applicable RZR, RZQ
Models
Method of Error The error is detected from the current flowing to power transistor into voltage with CT1 (DC
Detection current sensor).
Inverter PCB detects the disorder of position signal.
Error Decision
When compressor overload (when startup) is detected
Conditions
 The stop valve is not opened.
Supposed
 Pressure differential startup
Causes
 Defective outdoor unit inverter PCB
 Defective compressor (lock)
Service Diagnosis
SiUS281117
157