Troubleshooting by Indication on the Remote Controller
200
Remote Controller Display
L1
Applicable Models
VRVIII-Q Series
Method of Error Detection
Detect error by current value during waveform output
before compressor startup.
Detect error by current sensor value during
synchronized operation at the time of startup.
Error Decision Conditions
When overcurrent is detected at the time of waveform
output before operating the compressor
When the current sensor error during synchronized
operation
When overvoltage occurs in IPM
Supposed Causes
Defective outdoor unit PCB
z IPM failure
z Current sensor failure
z Defective drive circuit
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