User / Install Manual
TROUBLESHOOTING
Troubleshooting
Changes in heating capacity depending on the ambient temperature of the heat pump
● The rated temperature for heating is: indoor 20℃ and outdoor 7℃. This situation use a 5m
pipe. If the installation location, insulation and pipe length differ, normal operation can be
achieved but heating capacity can be degraded.
Heating capacity
Rating capacity
60% of Rating capacity
-10℃ 7℃ 21℃ Ambient temperature(℃)
43
Trouble Check Points
Check that the power cord is plugged into the wall outlet.
Action
Insert the power cord into the wall outlet.
Is the filter blocked with dust Clean the air filter.
Has the circuit breaker tripped or has the fuse blown?
Reset the circuit breaker or replace the
fuse with the specified replacement fuse.
Has there been a power failure?
Restart operation when power is resumed.
Is the display showing "Er", "##" for more than one hour?
("##" is an error code)
Call your service representative.
Is the voltage too low? Confirm the available voltage.
Has the
temperature been set properly? Check and reset it if necessary
Are the windows or doors open? Close the windows and doors.
Is anything obstructing the outdoor unit?
Remove the obstruction.
Is the fan speed too low?
Change the fan speed selection.
Is the operation mode FAN or AUTO?
Change to cooling operation or reset the
temperature.
Is the filter blocked with dust? Clean the air filter.
Has the temperature b
een set too low?
Check and reset it if necessary
Are the windows or doors open?
Close the windows and doors.
Is anything obstructing the outdoor unit?
Remove the obstruction.
Is the OFF timer operating? Restart operation.
Has the room temperature reached the set temperature?
Normal operation.
Unit does not
operate
Cooling is
abnormally low.
Heating is
abnormally low.
Unit stops during
operation.
If the above action
s do not correct the operation, consult the dealer from whom you bought the unit.
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