Mitsubishi Electric PLFY-WL-NEMU-E Serie Manual De Instrucciones página 24

7. Trouble Shooting
" " appears in the remote controller display.
(For Wired Remote controller)
Remote controller timer operation cannot be set.
(For Wired Remote controller)
"Please Wait" appears in the remote controller display.
Noise is louder than specifi cations.
Nothing appears in the wireless remote controller display, the display
is faint, or signals are not received by the indoor unit unless the remote
controller is close.
The operation lamp near the receiver for the wireless remote controller
on the indoor unit is fl ashing.
Warm air blows from the indoor unit intermittently when heating mode is
off or during fan mode.
After battery installation/replacement of remote controller, part of func-
tion cannot be used.
The indoor unit which is not operating becomes warm and a sound,
similar to water fl owing, is heard from the unit.
Warning:
If the air conditioner operates but does not cool or heat (depending on model) the room, consult your dealer since there may be a refrigerant
leak. Be sure to ask the service representative whether there is refrigerant leakage or not when repairs are carried out.
The refrigerant charged in the air conditioner is safe. Refrigerant normally does not leak, however, if refrigerant gas leaks indoors and comes
into contact with the fi re of a fan heater, space heater, stove, etc., harmful substances will be generated.
en
22
Having trouble? Here is the solution. (Unit is operating normally.)
During central control, " " appears in the remote controller display
and air conditioner operation cannot be started or stopped using the
remote controller.
Are timer settings invalid?
If the timer can be set, or
display.
The initial settings are being performed. Wait approximately 3 minutes.
The indoor operation sound level is aff ected by the acoustics of the
particular room as shown in the following table and will be higher than
the noise specifi cation, which was measured in an echo-free room.
High sound
absorbing rooms
Broadcasting
Location
studio, music
examples
room, etc.
Noise levels 3 to 7 dB
The batteries are low.
Replace the batteries and press the Reset button.
If nothing appears even after the batteries are replaced, make sure
that the batteries are installed in the correct directions (+, –).
The self diagnosis function has operated to protect the air conditioner.
Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be sure
to provide the dealer with the model name.
When another indoor unit is operating in heating mode, the control
valve opens and closes occasionally to maintain stability in the air
conditioning system. This operation will stop after a while.
* If this will cause an undesirable rise in the room temperature in small
rooms, etc., stop the operation of the indoor unit temporarily.
Please check that the clock setting is completed. If clock setting is not
done, please complete.
A small amount of refrigerant continues to fl ow into the indoor unit
even though it is not operating.
appears in the remote controller
Low sound
Normal rooms
absorbing rooms
Reception room, Offi ce, hotel
hotel lobby, etc. room
6 to 10 dB 9 to 13 dB