Troubleshooting - Sanyo XHX1252 Instruction Manual

Check out the following points before requesting service.
Trouble
The air conditioner
does not run even
when the ON/OFF
operation switch has
been set to ON.
Auto cooling/heating or heating appears on the display even though the air
conditioner is a cooling-only model.
Trouble
(An indicator lamp is blinking.)
Operation
Timer
Operation
Timer
Operation
Timer
Operation
Timer
Operation
Timer
Operation
Timer
Operation Timer
If the trouble persists even after performing the checks recommended above, shut down the air conditioner's operation, set the
local power switch to OFF, and contact your dealer with the model number and trouble symptoms. You must NOT attempt to
make repairs yourself due to the dangers involved. If one or more of the indication lamps is blinking, give this information to the
dealer as well.
14

Troubleshooting

Possible Cause
Is the air conditioner in the shutdown mode or
was the switch operated after a power failure?
How about the local power switch?
Have any of the fuses blown?
Is the ON timer operation mode established?
If the signal receiver's NORMAL/ALL OFF
switch set to "ALL OFF"?
Have the wireless remote control unit's
batteries run down?
Do the indication lamps show a cooling/heating
mismatch or is the auto cooling/heating
function not available?
• Some kind of trouble has occurred in communication between the signal
Preparing for receiver and indoor unit. Alternatively, the wrong address has been set
operation
when a wired remote control unit is used.
Preparing for • Some kind of trouble has occurred in communication between the indoor
operation
unit and outdoor unit.
Preparing for
• The indoor unit's protection device has been activated. Alternatively, the
operation
auto flap connector of the ceiling panel has been disconnected.
Preparing for • The outdoor unit's protection device has been activated.
operation
Preparing for • Something is wrong with the temperature sensor.
operation
Preparing for
• The outdoor unit's compressor has been protected.
operation
Preparing for
• A trial run is underway. Set the trial run switch to OFF.
operation
Remedy
Press the wireless remote control unit's
ON/OFF operation button again.
If it was off, set it now to on.
If a fuse has blown, contact your dealer.
Clear the timer operation.
If it is, set it to the "NORMAL" position and
cancel the operation.
If they have, replace them with new ones.
Change the operation mode.
Change the setting of the wireless remote
control unit's slide switch. (See page 9)
Possible Cause
OI-837-14-EG