L9" Stall Prevention (Time Lag) - Daikin SkyAir Service Manual

SiBE28-804

5.32 "L9" Stall Prevention (Time Lag)

L9
Remote
Controller
Display
Applicable RZQ(S)71~140
Models
Method of Malfunction is detected by converting the current flowing to power transistor into voltage with
CT1 (DC current sensor).
Malfunction
Inverter PC board detects the disorder of position signal.
Detection
Malfunction When compressor overload (except for when startup) is detected
When position signal is disordered
Decision
Conditions
Supposed
Causes
Troubleshooting
Faulty compressor (lock)
Pressure differential startup
Faulty inverter
The stop valve is left in closed.
Troubleshooting by Remote Controller Display / LED Display
205