Hitachi RCD-0.8FSN3 Installation And Operation Manual page 13

TROUBLESHOOTING
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Before Contact
Check the items before contacting a contractor.
Trouble
Operation Unavailable
Cooling
Immediate
shutdown after
start-up
Heating
Insufficient Cooling or Heating
Incorrect Louver Angle
9 PMML0425A rev.0 - 02/2016 - P5415720
Checking Point
Check that the main power source
is turned ON.
Check that the fuse is not blown out
or the circuit breaker of main power
source is not tripped.
Check that the air inlet and outlet
of the outdoor unit are not covered
with a paper, a vinyl or other
objects.
Check that there are any obstacles
preventing the air flow near the air
inlet and outlet of the outdoor unit.
Check that the outlet air is not
short-circuited to the air inlet.
Check that the operation mode is
appropriate.
Check that the set temperature is
appropriate.
Check that the air flow direction is
appropriate.
Check that the air filter is not
clogged.
Check that a window and a door are
not opened.
Check that there are any obstacles
preventing the air flow near the air
inlet and outlet of the indoor and
outdoor units.
Check that the direction of the
louver is correct.
Action
Turn ON the main power source for the air conditioner.
Replace the fuse or reset the circuit breaker.
If the trouble recurs, contact your contractor or distributor.
Remove objects covering the air inlet and outlet.
Remove the obstacles preventing the air flow.
If the fan mode is selected, switch the operation mode to
cooling (heating).
If not, change the set temperature by pressing " " or " " by
the remote control switch.
If not, change the air flow direction.
In the case that the footing is not heated well during the
heating operation, change the louver downward.
Clean the air filter.
Close the window and the door.
Remove the obstacles.
Adjust the direction of the louver in auto swing mode by using
the remote control switch.