Hitachi SAMURAI Series Service Manual page 135

4. Troubleshooting
Troubleshooting by alarm code
C1-61
Alarm code
Alarm stop reason
1 Temperature of refrigerant discharged from Compressor rises up to 130ºC for more than 1 minute.
2 During count of point 1, temperature rises even more, above 140ºC for more than 3 seconds.
N O T E
In the case of point 1, it causes alarm stop with 3 occurrences in 90 minutes. Retry control is performed until the second
one. (Compressor stops, and restarts automatically after 3 minutes)
Retry indication
LCD: By touching "Inspection", "Td Retry" is shown in "No.1 Cycle".
Retry code
C1-P5
PCB monitoring position
PCBd (I/O PCB) CN26TD (Discharge gas thermistor)
Discharge gas
temperature actually rises
above activation value
No
The connection and
insertion of connector
CN26Td on PCBd (I/O
PCB) are correct
Yes
There are
problems with thermistor
characteristics
No (There are no problems)
Check of PCBd (I/O PCB)
127
SMGB0082 rev.1 - 07/2015
Discharge gas temperature increase
Yes
Yes (There are problems)
Replace thermistor
Lack of refrigerant. Gas leakage
Malfunction of check valve
Clogging of expansion valve
Adjustment of expansion valve
Malfunction of expansion valve
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