SiE25-110 Troubleshooting by Remote Controller Display / LED Display
Troubleshooting 169
6.29 Stall Prevention (Time Lag)
Remote
Controller
Display
L9
Outdoor Unit LED
Display
A 5 1 4 2 4 3 4 4 4
Applicable
Models
RZP71~140D
Method of
Malfunction
Detection
Malfunction is detected by converting the current flowing to power transistor into voltage with
CT1 (DC current sensor).
Inverter PC board detects the disorder of position signal.
Malfunction
Decision
Conditions
When compressor overload (except for when startup) is detected
When position signal is disordered
Supposed
Causes
Faulty compressor (lock)
Pressure differential startup
Faulty inverter
The stop valve is left in closed.
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