Trouble Shooting - Mitsubishi Electric PEAD-RP71 Operation Manual

11. Trouble Shooting

Having trouble?
Noise is louder than specifications.
Nothing appears in the wireless remote controller display, the display is
faint, or signals are not received by the indoor unit unless the remote con-
troller is close.
The operation lamp near the receiver for the wireless remote controller on
the indoor unit is flashing.
18
Here is the solution. (Unit is operating normally.)
I The indoor operation sound level is affected by the acoustics of the par-
ticular room as shown in the following table and will be higher than the
noise specification, 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
I The batteries are low.
Replace the batteries and press the Reset button.
I If nothing appears even after the batteries are replaced, make sure that
the batteries are installed in the correct directions (+, –).
I The self diagnosis function has operated to protect the air conditioner.
I 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.
Low sound-
Normal rooms
absorbing rooms
Reception room, Office, hotel
hotel lobby, etc. room
6 to 10 dB 9 to 13 dB