Mitsubishi SC-SL3NA-AE Installation Manual download pdf (Page 33)

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Troubleshooting

A yellow unit icon is

displayed.

A blue unit icon is displayed.

The filter sign is lit.

Maintenance display is lit.

The screen does not change

when touched.

No screen is displayed (dark).

The remote controller’s

display and the unit’s screen

display do not agree.

Air conditioning unit operates

on its own.

The unit feels warm to the

touch.

The calculating results are

not accurate.

(SC-SL3N-BE only)

“Importing a configuration

file from USB memory has

failed. Check the configura-

tion file in the USB memory.”

message appears.

“Exporting a configuration

file to USB memory has

failed.” or “Exporting monthly

data files to USB memory has

failed” message appears.

“USB memory was not

found.” message appears.

“SL-0X-self address duplica-

tion error was detected.”“ SL-

0X- self transmission data read

error was detected.”“ SL-0X-

data transmission error was

detected.” message appears.

Error messages other than

the above are displayed.

The room temperature display

does not change from “--”.

A malfunction has occurred with the unit. The malfunctioning unit is stopped.

Contact the shop where the unit was purchased. The shop will need the following information: “unit icon

color”, “malfunction situation”, “model name of the malfunctioning unit”, “Error No. (E00)” etc.

A communication problem has occurred.

Contact the shop where the unit was purchased. The shop will need the following information: “unit icon

color”, “malfunction situation”, “model name of the malfunctioning unit” etc.

Clean the air filter.

(See the manual attached to the air conditioning unit for the cleaning method.)

Press the filter reset button after cleaning.

Regular inspection is necessary.

Contact the shop where the unit was purchased. The shop will need the following information: “mainte-

nance display color”, “unit model name” etc.

* The unit number and maintenance display content can be checked on the UNIT INFORMATION screen.

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It is possible that there is malfunction due to electrostatic discharge. Turn the power off, then turn it on

again (power supply reset).

When it does not operate normally with the procedure above, it can be assumed that the unit was

damaged, so contact the shop where the unit was purchased with the “malfunction situation”.

• The backlight (illumination) is turned OFF after a fixed period of time to preserve the screen. Touch the

screen. (It may take a little time for the display to reappear.)

• It is possible that there is malfunction due to electrostatic discharge. Turn the power off, then turn it on

again (power supply reset).

When it does not operate normally with the procedure above, it can be assumed that the unit is

damaged, so contact the shop where the unit was purchased with the “malfunction situation”.

When multiple units are registered in a group, the settings for the representative unit for the group are

displayed. Check the status display for each of the units.

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Run/Stop displays “Run” if one or more units in the group are running, and it displays “Stop” if all units

are stopped.

Check the schedule settings. The group settings that have been scheduled can be changed.

Page 20

The unit may get warm, but this is not a problem.

When the room is hot, it gets warm more readily. Use in an environment where the temperature around it

is 40°C or lower.

If the total operating time in a day is less than 30 minutes, there has been no operation for calculating

purposes. Therefore the calculating results may be a little low.

(In such cases, other units are a little high.)

It is possible that either the definition file has not been saved to the USB memory or there is an error in

specifying the folder to be read. Check again and then perform the operation again.

If this message appears again, contact the shop where the unit was purchased.

There is a possibility that the USB memory has damaged or the files in the USB memory have damaged.

Delete all the files in the USB memory and create them again.

If this message appears again, contact the shop where the unit was purchased.

The USB memory may not have been fully inserted. Remove the USB memory, and reinsert it. If this

message appears again, it is possible that the USB memory is damaged or the USB memory is not the

attachment. Replace it with the bundled USB memory and try the operation again. If this message

appears again, contact the shop where the unit was purchased.

Contact the shop where the unit was purchased. (Re-check the communications line connections of the

units.)

Perform operations according to the messages on the screen or turn the power off and then on (power

supply reset).

If the message appears again, contact the shop where the unit was purchased.

When the intake-air temperature is 0°C or less, “--” is displayed.

When it differs from the display of remote controller, contact the shop where the unit was purchased.

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Mitsubishi SC-SL3NA-AE Installation Manual Page 33

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