Installation, Relocation And Inspection - Mitsubishi Electric Mr.SLIM SLZ-M25FA Operation Manual

7. Trouble Shooting
Having trouble?
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.
The vanes do not move or the indoor unit does not respond to input from
the wireless remote controller.
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 flashing.
The wireless remote controller does not operate (the indoor unit beeps
4 times).
8. Installation, relocation and inspection
Installation place
Avoid installing the air conditioner in the following places.
• Where flammable gas could leak.
Caution:
Do not install the unit where flammable gas could leak.
If gas leaks and collects around the unit, it may cause an explosion.
• Where there is much machine oil.
• Salty place such as the seaside.
• Where sulfide gas is generated such as a hot spring.
• Where there is oil splashing or much oily smoke.
16
Here is the solution. (Unit is operating normally.)
■ 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
■ The initial settings are being performed. Wait approximately 3 min-
utes.
■ 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 junction wire connectors of the vane motor and signal receiver may
not be connected correctly. Have an installer check the connections. (The
colors of the male and female sections of the junction wire connectors
must match.)
■ 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 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.
■ Switch the auto mode setting to the AUTO (single set point) mode or
AUTO (dual set point) mode. For details, refer to the included Notice
(A5 sheet) or the Installation Manual.
Inverter type
fluorescent lamp
To prevent the effect
of a fluorescent lamp,
keep it away as far
apart as possible.
To prevent picture
distortion or
noise, keep 1 m
or more apart.
Radio
appears in the remote controller display.
Low sound-
Normal rooms absorbing
rooms
Reception
Office, hotel
room, hotel
room
lobby, etc.
6 to 10 dB 9 to 13 dB
Wall, etc.
Well-
ventilated dry
place
100 mm or
more
400 mm
or more