L5" Momentary Overcurrent Of Inverter Compressor - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

SiBE26-701

4.29 "L5" Momentary Overcurrent of Inverter Compressor

L5
Remote
Controller
Display
Applicable RZQ
Models
Method of Malfunction is detected by converting the current flowing in the power transistor.
Malfunction
Detection
Malfunction When an excessive current flows in the power transistor (32.3A).
Decision
Conditions
Supposed
Causes
Troubleshooting
Faulty compressor coil (disconnection, poor insulation)
Compressor startup malfunction (mechanical lock)
Faulty outdoor inverter PC board
Instantaneous power failure
Lightning surge
Diagnosis by Remote Controller
145