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High or Low pressure
27
protection for outdoor
uint
The failure for
33
temperature sensor of
indoor room
The failure for
34
temperature sensor of
indoor coil temperature
The failure for
36
communication of indoor
and outdoor uints
38
Indoor EEPROM failure
Indoor fan motor run
39
abnormally
The failure for Indoor
41
grounding protective
42
Overcooling protection
43
Overheating protection
Remark:
The failure is detected when the room temperature sensor broken or shorted over 5 sec.
The failure is detected when the temperature sensor of heater exchange broken orshorted over 5 sec.
The failure is detected when each setting data is not match after the EEPPOM self-check twotimes.
The failure is occur when the grounding signal is not detected after the appliance power ON.
a.
The pressure switch is working
b.
The pressure switch is invalid
c.
The outdoor control board is invalid
a.
The indoor room temperature sensor loose;
b.
The indoor room temperature sensor is failure;
c.
The indoor control board is failure.
a.
The indoor coil temperature sensor loose;
b.
The indoor coil temperature sensor is failure;
c.
The indoor control board is failure.
a.
The interconnection cord loose
b.
The interconnection cord is not in proper order
c.
The indoor control board is invalid
d.
The outdoor control board is invalid
a.
The EEPROM chip loose;
b.
The indoor control board is failure
a.
There are something block the indoor fan motor;
b. The fan motor cord connect loose;
The fan motor is failure;
board is failure
The indoor control board is failure
a.
It is normally for protection,When the
indoor pipe temperature below T<-1℃(-7℃).Outdoor fan motor and
compressor will stop running. When the Indoor pipe temperature is
higher than -1(-7℃),the unit will restart normally
b.
The indoor coil temperature sensor is loose;
c.
The indoor coil temperature sensor is failure;
d.
The indoor control board is failure.
a.
It is normally for protection, When the
indoor pipe temperature between 53℃<T<63℃, the outdoor fan
motor will stop running. When the indoor coil temperature is higher
than 63℃, the error code will display. After the indoor pipe
temperature is lower than 49℃, the air conditioner will restart
normally.
b.
The indoor coil temperature sensor is loose;
c.
The indoor coil temperature sensor is failure;
d.
The indoor control board is failure.
52
c.
d. The indoor control
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