TSM 2017-09 ………….. Kaysun combo type KHP 15/190 ACS1 Manual
29
P4
Notes:
10 s after compressor startup, current checking starts,
1)
Only compressor running, if it is >7A, the compressor will be stopped and protected
2) Compressor and E-heater running at the same time, if it is >IEH+7, the compressor will be stopped and
protected.
LA
When the ambient temp T4 is out of heat pump running range(7-43 )
heat pump will stop, unit will
show LA on the position of clock on display until T4 back to 7-43 .
Notes:
1) It is normal, and no necessary to repair.
1)
Only valid for the unit without E-heater,
unit with E-heater will never show "LA".
Compressor overloaded protection
System is lack of refrigerant or overcharged.
(If there is refrigerant leakage or refrigerant
recharging is not according to the requirement)
Check up the leakage of
the system and re charge
refrigerant
Replace PCB
Replace the EXV or high
pressure switch
Check whether the sensor port on PCB is loose or
sensor defective (T5U, T5L, Tp, Th, T3)
Fasten the port or
replace the sensor
No
No
No
Yes
Yes
Yes
No
Yes
Check whether the water tank is lack of water
Check whether the fan is running abnormally
Full fill the tank
Check the fan over and
eliminate the obstacles
Yes
Replace the compressor
No
Check whether EXV or high pressure switch
damaged
Check whether compressor damaged
Yes
No
No
Check whether power voltage exceeds 220-240V
Yes
Restart the unit until
voltage recover
