Troubleshooting - Carrier P5 Series Owners And Installation Manual

TROUBLESHOOTING

Trouble
Unit does not
operate
Cooling is
abnormally low.
Heating is
abnormally low.
Unit stops during
operation.
If the above actions do not correct the operation, consult the dealer from whom you bought the unit.
36
Check Points
Check that the power cord is plugged
into the wall outlet.
Has the circuit breaker tripped or has the
fuse blown?
Has there been a power failure?
Does the "UNIT ON" lamp flash on and off?
Is the voltage too low?
Is the filter blocked with dust?
Has the temperature been set properly?
Are the windows or doors open?
Is anything obstructing the outdoor unit?
Is the fan speed too low?
Is the operation mode FAN or AUTO?
Is the filter blocked with dust?
Has the temperature been set too low?
Are the windows or doors open?
Is anything obstructing the outdoor unit?
Is the OFF timer operating?
Has the room temperature reached the
set temperature?
Action
Insert the power cord into the wall outlet.
Reset the circuit breaker or replace the
fuse with the specified replacement fuse.
Restart operation when power is resumed.
Call your service representative.
Confirm the available voltage.
Clean the air filter.
Check and reset it if necessary.
Close the windows and doors.
Remove the obstruction.
Change the fan speed selection.
Change to cooling operation or reset the
temperature.
Clean the air filter.
Check and reset it if necessary.
Close the windows and doors.
Remove the obstruction.
Restart operation.
Normal operation.