Hitachi RAS-5HVRNM1E Service Manual page 287

8 Troubleshooting
59
Alarm code
• "RUN" light flashes and "ALARM" is indicated on the remote control switch.
• The unit No, alarm code and the unit code is alternately indicated on the set temperature section, and the unit No. and
alarm code are indicated on the display of the outdoor unit PCB1.
– This alarm is indicated when the thermistor detects inverter fin temperature greater than 100 °C or less than -10 °C
during the cooling operation or heating operation.
279
SMGB0060 rev. 1- 12/2010
Inverter Fin Temp. Thermistor Abnormality (Only for RAS-(8/10)HRNSE) for ES series
8