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Mitsubishi SC-SL3N Manual

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Troubleshooting
A yellow unit icon is dis-
played.
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 blue unit icon is displayed. 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.
The fi lter sign is lit. Clean the air fi lter.
(See the manual attached to the air conditioning unit for the cleaning method.)
Press the fi lter reset button after cleaning.
Maintenance display is lit. Regular inspection is necessary.
Contact the shop where the unit was purchased. The shop will need the following information: “maintenance
display color”, “unit model name” etc.
* The unit number and maintenance display content can be checked on the UNIT INFORMATION screen.
Page 24
The screen does not change
when touched.
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 dam-
aged, so contact the shop where the unit was purchased with the “malfunction situation”.
No screen is displayed (dark). • The backlight (illumination) is turned OFF after a fi xed 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 dam-
aged, so contact the shop where the unit was purchased with the “malfunction situation”.
The remote controller’s
display and the unit’s screen
display do not agree.
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.
Page 24
Run/Stop displays “Run” if one or more units in the group are running, and it displays “Stop” if all units are
stopped.
Air conditioning unit operates
on its own.
Check the schedule settings. The group settings that have been scheduled can be changed.
Page 20
The unit feels warm to the
touch.
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.
The calculating results are
not accurate.
(SC-SL3NA-BE only)
• 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.
• Even if the air conditioner is not used all day long such as on a holiday, standby electricity is still con-
sumed. If power consumption is allotted to only the operated indoor units on a pro-rated basis, standby
electricity consumed on holidays is not included in the calculation result. As a result, the total calculation
result becomes different from the actual power consumption. On the other hand, if power consumption of
standby electricity is proportionally allotted to all indoor units including those not being operated, the total
calculation result coincides with actual power consumption. However, in this case, the power consumption
of standby electricity is allotted to not only the tenants actually operating indoor units but also the dummy
tenants and the tenants not operating indoor units. This may cause problems among tenants so that this
method has not been adopted. If there is any difference between the total calculation result and the actual
power consumption, try to reallocate the power consumption to the tenants actually operating indoor units
respectively by using the spreadsheet software according to the calculation results.
“Importing a confi guration
fi le from USB memory has
failed. Check the confi gura-
tion fi le in the USB memory.”
message appears.
It is possible that either the defi nition fi le 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.
“Exporting a confi guration fi le
to USB memory has failed.” or
“Exporting monthly data fi les
to USB memory has failed”
message appears.
There is a possibility that the USB memory has damaged or the fi les in the USB memory have damaged.
Delete all the fi les in the USB memory and create them again.
If this message appears again, contact the shop where the unit was purchased.
“USB memory was not
found.” message appears.
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.
… 33 …


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