Hitachi RAW-35RHC - Page 86

6 Troubleshooting
Troubleshooting by protection code (Outdoor unit)
SMGB0135 rev.0 - 06/2020
78
Protection
code
P114
Overvoltage abnormality
• Outdoor unit LED301 blinks 14 times.
• This protection code is displayed 3 times before alarm 114 appears at the LCD controller.
LD301 blinks 14 times.
Abnormality of DC voltage
Is a leakage breaker installed?
Yes
Yes
Normal
Abnormal
Failure of Q601
Is the insulation of the
compressor normal?
Replace the compressor and then
check the outdoor electrical parts.
Replace the outdoor electrical
parts.
Replace the outdoor electrical
parts (Due to Q601 failure).
Change the outdoor ele. unit.
Q601 abnormal.
Protection
code
P115
Circuit abnormality
• Outdoor unit LED301 blinks 15 times.
• This protection code is displayed 3 times before alarm 115 appears at the LCD controller.
LD301 blinks 15 times.
Circuit abnormality
Replace the outdoor unit controller.