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17.4.32 F98 (Total Current Protection Control)
Troubleshooting
Diagnosis Procedures and Cause
Measures to be Taken
Normal
No abnormality is observed
Higher than the normal value
An abnormality is observed
Check for clogging and interrupted heat radiation on the outdoor unit
heat exchanger.
Fix the problem.
Replace the compressor.
Replace the outdoor unit control board.
Measure the current value during rated cooling operation.
No abnormality is observed
Voltage drops
Check if AC voltage drops during operation.
Voltage drops for the protection against
supply voltage drop or instantaneous
power interruption.
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