Mitsubishi Electric Mr. SLIM PKA-M HA Series Operation Manual page 13

7. Trouble Shooting
Having trouble?
When restarting the air conditioner soon after stopping it, it does not
operate even though the ON/OFF button is pressed.
Air conditioner operates without the ON/OFF button being pressed.
Air conditioner stops without the ON/OFF button being pressed.
Remote controller timer operation cannot be set.
"PLEASE WAIT" appears in the remote controller display.
An error code appears in the remote controller display.
Draining water or motor rotation sound is heard.
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
controller is close.
The operation lamp near the receiver for the wireless remote controller
on the indoor unit is blinking.
Here is the solution. (Unit is operating normally.)
■
Wait approximately 3 minutes. (Operation has stopped to protect the
air conditioner.)
■
Is the on timer set?
Press the ON/OFF button to stop operation.
■
Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■
Does " " appear in the remote controller display?
Consult the concerned people who control the air conditioner.
■
Has the auto recovery feature from power failures been set?
Press the ON/OFF button to stop operation.
■
Is the off timer set?
Press the ON/OFF button to restart operation.
■
Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■
Does " " appear in the remote controller display?
Consult the concerned people who control the air conditioner.
■
Are timer settings invalid?
If the timer can be set, or
display.
■
The initial settings are being performed. Wait approximately 3 minutes.
■
The protection devices have 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 and information that
appeared in the remote controller display.
■
When cooling operation stops, the drain pump operates and then
stops.
Wait approximately 3 minutes.
■
The indoor operation sound level is affected by the acoustics of the
particular room as shown in the following table and will be higher than
the noise specification, which was measured in anechoic room.
High sound
absorbing rooms
Broadcasting
Location
studio, music
examples
room, etc.
Noise levels 3 - 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.
appears in the remote controller
Low sound
Normal rooms
absorbing rooms
Office, hotel
Reception room,
hotel lobby, etc. room
6 - 10 dB 9 - 13 dB
EN-12
EN