L5 Outdoor Unit: Momentary Overcurrent Of Inverter Compressor - Daikin RXYQ96PYDN Service Manual

Troubleshooting by Indication on the Remote Controller
L5
3.37 Outdoor Unit: Momentary Overcurrent of Inverter
Compressor
L5
Remote
Controller
Display
Applicable
RXYQ72P~240PYDN, PTJU
Models REYQ72P~240PYDN, PTJU
Method of
Malfunction is detected from current flowing in the power transistor.
Malfunction
Detection
Malfunction
When an excessive current flows in the power transistor.
(Instantaneous overcurrent also causes activation.)
Decision
Conditions
Supposed
Causes
396
Defect of compressor coil (disconnected, defective insulation)
Compressor start-up malfunction (mechanical lock)
Defect of inverter PC board
SiUS34-801A_b
Troubleshooting