GRE Comfort Heat AR2094 Manuel D'instructions page 35

The function of the LED on the panel is showing below:
Index Light Name
Temp Setting In the state of temp setting
Refrigeration
Heat
Defrost
Fan
Alarm
The LED usually shows temperature, if it shows "SHr", it means the temperature sensor is short, and "OPE" means the tempera-
ture sensor is open. The temperature and the alarm code (Axx) will show alternately when in the alarm state.
The code is showing below:
Code Signification
A11 External alarm
A21 Water temperature sensor error Open or short
A22 Outdoor machine sensor error Open or short
A99 Over probation time
What's the meaning of the index lights on the panel?
Light
Ready to refrigerate, in the state of compressor start delay
Refrigerating
Heating Ready to heat, in the state of compressor start delay protection
Defrosting Ready to defrost, in the state of compressor start delay protection
Fan running
-
The meaning of the LED display
Alarm from external alarm signal, please refer to the internal parameter code "F50"
showing "OPE" or "SHr"
(
showing "OPE" or "SHr" when press the key "↓"
(
If you have set the probation time F87, the alarm occurs when the accumulative running
time is over probation time, and the controller can not work.
GRE HEAT PUMP
Flash
-
protection
-
Alarm state
Explanation
)
)
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