Hitachi SAMURAI Series Service Manual page 117

4 Troubleshooting
Troubleshooting by alarm code
C1-26
Alarm code Suction Gas THM Abnormality (CN27)
Alarm stop reason
Thermistor for detection of temperature of gas suctioned (Ts) by compressor indicates an abnormal value.
PCB monitoring position
PCBd (I/O PCB) CN27
?
N O T E
Refer thermistor characteristics chapter.
The connection and
No
insertion of connector
Correction of connections
CN27 on PCBd (I/O PCB)
are correct
4
Yes
Remove the
No
connectors and
Replace thermistor
measure thermistor resistance.
Is resistance value
normal?
Yes
Replace PCB (I/O PCB)
d
109 SMGB0120 rev.0 - 11/2017