L5 " Outdoor Unit: Momentary Overcurrent Of Inverter Compressor - Daikin VRV III REYQ8PY1 Service Manual

Troubleshooting by Indication on the Remote Controller
L5
3.37 " " Outdoor Unit:
Compressor
L5
Remote
Controller
Display
Applicable REYQ8P~48P
Models
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
288
Momentary Overcurrent of Inverter
Defect of compressor coil (disconnected, defective insulation)
Compressor start-up malfunction (mechanical lock)
Defect of inverter PC board
Si37-701
Troubleshooting