24
Protection/
Malfunction
Error
code
LED
indicator
Possible reasons
Corrective actions
Low
pressure
protection
(LP Switch)
EE2
☆☆☆☆☆
☆☆
●
(7 flashes 1
dark)
1) Too low air inlet temp
2)
The
electronic
expansion
valve
assembly blocked
3) Too less refrigerant
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 problems with the
fan assembly
Over
heat
protection
(HTP
Switch)
EE3
☆☆☆☆☆
☆☆☆
●
(8 flashes 1
dark)
1) Too high tank water
temp
2) The switch damaged
1) If the tank water temp is
over 85C, the switch will open
and the unit will stop for
protection. After the water
comes to normal temp,
2) Replace a new switch
Defrost
Defro
sting
indica
te
☆☆☆☆☆
☆☆☆
……(a
ll
long
flashes)
Communica
tion failure
EE8
Bright
