L1" Malfunction Of Pcb - Daikin VRV III-S RXYMQ36 48PVJU Service Manual

SiUS34-907
L1
3.29 " " Malfunction of PCB
L1
Remote
Controller
Display
Applicable RXYMQ36 · 48PVJU
Models
Method of
Malfunction is detected based on the current value during waveform output before starting
Malfunction compressor.
Malfunction is detected based on the value from current sensor during synchronous operation
Detection
when starting the unit.
Malfunction
Overcurrent (OCP) flows during waveform output
Malfunction of current sensor during synchronous operation
Decision
IPM failure
Conditions
 Main PCB (A1P)
Supposed
Causes
Troubleshooting
IPM failure
Current sensor failure
Drive circuit failure
Troubleshooting by Indication on the Remote Controller
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