Mitsubishi Electric MJ-E14EG-S1-IT, Руководство по обслуживанию

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14
F
Amount of
dehumidi fi cation is low
Is there dust or dirt on the
room temperature sensor?
YES
NO
Replace the room
temperature sensor
Remove the dust or
dirt from the room
temperature sensor
Check the control board P13
connector insertion and the
connector pins Firmly insert the
connectors or connector
pins in the trouble spots
Check the resistance values for
the room temperature sensor
Connector pins (between 3-4)
Normal: 8 to 20.8K
Ω
Abnormal: Open or shorted
Is there dust or dirt on the
humidity sensor? Remove the dust or dirt
from the humidity sensor
Replace the control board
Check the humidity sensor
operation
(Hold a steaming towel or hot
air from a dryer close to the
humidity sensor for 1 minute.
If the humidity indicator rises,
it is OK.)
Normal
YES
YES
NG
NG
YES
NG
NO
NO
OK
OK
NO
OK
OK
OK
Is the dehumidi fi er installed
in a low humidity, low
temperature environment?
The unit is normal.
Dehumidi
fi cation may
not be possible in a
low humidity and low
temperature environment.
Explain the performance
curve on page 8.
OK
OK
OK