8 Troubleshooting
231
SMGB0064 rev.0 - 08/2011
8
Alarm code
07
Decrease of Discharge Gas Superheat for ES Series
• 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 PCB.
• This alarm code is indicated as follows:
- When the temperature at the top of the compressor is lower than condensing temperature and indoor expansion
valve opening is lower than 300 pulse for 30 minutes in cooling operation, retry operation will be performed once.
When outdoor expansion valve opening is lower than 70 pulse for 30 minutes in heating operation, retry operation
will be performed once. If these occurs again within 120 minutes after the retry, the alarm code will be indicated.
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