Troubleshooting By Means Of The Flashing Alarm Leds For Rpk-Fsnm - Hitachi RAS-5HVRNM1E Service Manual

8 Troubleshooting

8.2.4 Troubleshooting by means of the flashing alarm LEDs for RPK-FSNM

The red LED located on the panel indicates the following alarms:
Code Cause
Alarm 02 Unit protection
Alarm 03 Transmission error
Alarm 04 Inverter outdoor unit
error
For the rest of the alarms, the blink sequence is one second ON / one second OFF.
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SMGB0060 rev. 1- 12/2010
This alarm is activated when the blinks sequence is two times ON / two seconds OFF
This alarm is activated when the blinks sequence is three times ON / two seconds OFF
This alarm is activated when the blinks sequence is four times ON / two seconds OFF
Indication