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.
BLP / BLY HEAT PUMP
Flash
-
protection
-
Alarm state
Explanation
)
)
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