HTW -ATS-O-300VAX Manuel De L'utilisateur Et D'installation page 65

temp. sensor
failure
P6
Solar temp.
sensor failure
EC
Emergency
switch off
E1
High
pressure
protection
(HP Switch)
E2
Low pressure
protection
(LP Switch)
●
circuit
2) The sensor short
(5 flashes 1
dark) circuit
3) PCB board failure
1) The sensor open
☆ ☆ ☆ ☆ ☆
circuit
☆ ☆ ☆ ☆ ☆
2) The sensor short
(10
●
circuit
flash1dark)
3) PCB board failure
only show
1) Connecting wire off
the
2) PCB board failure
protection
code
1) Too high air inlet
temp
2) Less water in the
tank
3) The electronic
expansion valve
☆☆☆☆☆
assembly blocked
☆●
4) Too much refrigerant
(6 flashes 1
dark) 5)
damaged
6) The uncompressed
gas is in refrigerant
system
7) PCB board failure
1) Too low air inlet
temp
2)
expansion
assembly blocked
☆☆☆☆☆
3) Too less refrigerant
☆☆●
(7 flashes 4) The
1 dark) damaged
5) The fan assembly
can not work
6 PCB board failure
The switch
The electronic
valve
switch
connection
2) Replace the sensor
3) change the PCB board
1) Check the sensor
connection
2) Replace the sensor
3) change the PCB board
1) According to the physical
truth judging whether is
normal or not
2) change the PCB board
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
refrigerant
5) Replace a new switch
6)
Discharge and
recharge the refrigerant
7) change the PCB board
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
problems with the fan
assembly
6) change the PCB board
then
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