sensor fail-
ure
dark)
2) The sensor short
circuit
2) Replace the sensor
Return gas
temp sensor
failure
P04
☆☆☆☆
●
(4 flashes 1
dark)
1) The sensor open
circuit
2) The sensor short
circuit
1) Check the sensor connec-
tion
2) Replace the sensor
Ambient
temp. sensor
failure
P05
☆☆☆☆☆
●
(5 flashes 1
dark)
1) The sensor open
circuit
2) The sensor short
circuit
1) Check the sensor connec-
tion
2) Replace the sensor
Freezing
protection in
winter
P06
☆☆☆☆☆
☆☆☆☆☆●
(10 flashes
1 dark)
1)In the off state,
the
lower part of the
water
tank ≤5
℃
1)Check the temperature
below
the tank
High pres-
sure protec-
tion (HP
Switch)
E01
☆☆☆☆☆☆
●
(6 flashes 1
dark)
1) Too high air inlet
temp
2) Less water in the
tank
3) The electronic
expansion valve
assembly blocked
4) Too much re-
frigerant
5) The switch
damaged
6) The uncom-
pressed gas is in
refrigerant system
1) Check if the air inlet temp
is over the working limited
2) Check if the tank is full of
water. If not, charge water
3) Replace the electronic
expansion valve assembly
4) Discharge some refrig-
erant
5) Replace a new switch
6) Discharge and then re-
charge the refrigerant
Low pres-
sure protec-
tion (LP
Switch)
E02
☆☆☆☆☆☆
☆
●
(7 flashes 1
dark)
1) Too low air inlet
temp
2) The electronic
expansion valve
assembly blocked
3) Too less refrig-
erant
4) The switch
damaged
5) The fan assembly
can not work
1) Check if the air inlet temp
is over the working limited
2) Replace the electronic
expansion valve assembly
3) Charge some refrigerant
4) Replace a new switch
5) Check if the fan working
when the compressor
working. If not, some prob-
lems with the fan assembly
24
V.1