Hitachi RAS-(4-6)HVRNS2E - Activation of the Protection Device for the Indoor Fan Motor (RPK)

8 Troubleshooting
242
SMGB0064 rev.0 - 08/2011
Alarm code
19
Activation of the protection device for the indoor fan motor (RPK)
• The RUN LED ickers and “ALARM” is displayed on the remote control switch.
• The unit number, the alarm code and the unit code are alternately displayed on the set temperature section.
The unit number and the alarm code are displayed on the display of the outdoor unit PCB1.
- This alarm code is displayed when the following conditions occurs three times in 30 minutes. Indoor fan rotates less
than 70 rpm for 5 seconds during operation.
• Set air ow volume “Hi” before starting this check.