Troubleshooting - Sanyo MINI ECO-i XHX1252 Service Manual & Test Run Service Manual

01_XHX1252_EN.fm Page 14 Friday, April 20, 2007 3:28 PM
2. Wireless Remote Controller

7. Troubleshooting

Check out the following points before requesting service.
T o r u b e l
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.
T o r u
(An indicator lamp is blinking.)
Operation
Operation
Operation
Operation
Operation
Operation
Operation
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.
P o s s
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?
b e l
• Some kind of trouble has occurred in communication between the signal
Timer 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
Timer
operation
unit and outdoor unit.
Timer Preparing for • The indoor unit's protection device has been activated. Alternatively, the
operation
auto flap connector of the ceiling panel has been disconnected.
• The outdoor unit's protection device has been activated.
Preparing for
Timer
operation
Timer Preparing for • Something is wrong with the temperature sensor.
operation
Timer Preparing for • The outdoor unit's compressor has been protected.
operation
Timer Preparing for
• A trial run mode is underway. Set the trial run mode to Off.
operation
b i e l C a u s e
P o
2-15
Remote Control Functions
R e m e d y
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 2-10)
s s b i e l C a u s e
2