3M DMS 700 Série Guide De L'utilisateur page 30

Troubleshooting
Lighting or Turned off
blinking in red
Lighting or Turned off
blinking in red
Lighting in green Turned off
Lighting in green Turned off
30
Blinking in The cooling fan is not operating. Turn the power
red OFF and wait at least 20 minutes. After the unit has
sufficiently cooled down, please make confirmation
of the following item, and then reset the power to
ON.
• Is there foreign matter caught in the cooling fan?
Lighting in There is a possibility that the interior portion has
red become heated. Turn the power OFF and wait at least
20 minutes. After the unit has sufficiently cooled
down, please make confirmation of the following
items, and then reset the power to ON.
• Is there blockage of the air passage aperture?
• Is the air filter is dirty?
• Does the peripheral temperature exceed 35˚C?
Alternative There is a possibility that the interior portion has
blinking in become overcooled. Please use the unit within the
the red usage temperature parameters (0˚C to 35˚C). After
the treatment, reset the power to ON.
Simultaneous It is time to clean the air filter, or there is no air filter.
blinking in Please immediately turn the power OFF, and clean
red or change the air filter by referring to the "Air Filter"
section of this manual. After you have cleaned or
changed the air filter, please be sure to reset the filter
timer. After the treatment, reset the power to ON.
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