Alarm code
EE
Compressor protection alarm.
* This alarm code appears when one of the following alarms occur three times in six hours, which may result in serious
damage to the compressor, if the outdoor unit operates continuously without eliminating the cause.
Alarm code
Content of anomaly
02
Activation of protection device (high pressure cut)
07
Decrease in discharge gas superheat
08
Increase in discharge gas temperature at the upper part of the compressor
39
Abnormal operation of running current in constant speed compressor
43
Activation of the low compression ratio protection device
44
Activation of the low pressure increase protection device
45
Activation of the high pressure increase protection device
47
Activation of the low pressure decrease protection device (Vacuum operation protection)
These alarms can be checked using check mode 1. Follow the actions indicated in each alarm chart.
N O T E
These alarms can only be eliminated by turning OFF the system's main power switch. However, special care must
be taken before starting, since there is a possibility that the compressor may be seriously damaged.
8 Troubleshooting
232
SMGB0065 rev. 1 - 12/2010
