Drummond MOV-90CN1-D Owner's Manual - Page 9

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Drummond MOV-90CN1-D Owner's Manual
10 FAULTS OF REMOTE CONTROLLER
AND CAUSE
Before requesting for maintenance or repair, inspect the following:
The shift function cannot be set
Symptom
Check item
Check whether the
mode marked on the
screen is AUTO
The wind
speed
cannot be
shifted
Check whether the
mode marked on the
screen is DEWET
The transmitting symbol "
Symptom
Check item
When you
Check whether the
press
batteries of remote
controller are low
ON/OFF
button, the
remote
controller
signal
cannot be
transmitted
The temperature indicator dose not light up
Symptom
Check item
The
Check whether the
temperature
mode marked on the
indicator
screen is Supply Air
does not
light up
The display disappears
Symptom
Check item
After a while,
Check whether the time
the ON/OFF
set on the timer has
display
expired
disappears
Check whether the time
After a while,
set on the timer has
the
expired
TIMING ON
display
disappears
Table 10-1
cause
When you select the
AUTO mode, the
indoor unit will select
"AUTO" for the air
speed automatically
When you select the
DEWET mode, the
indoor unit will select
"AUTO" for the air
speed
automatically.The air
speed is selectable
only in
the"cooling","heating"
and "supply air" mode
Table 10-2
"does not blink
cause
When the batteries
are exhausted, the
signals cannot be
transmitted
Table 10-3
cause
In the Supply Air
mode, the temperature
cannot be set
Table 10-4
cause
The air conditioner
stops running
because the set time
has expired
When it comes to the
set time of starting
operation of the air
conditioner,the air
conditioner will start
running automati-
cally, and the
corresponding display
will disappear.
No sound of receiving signal
Symptom
Check item
When the ON/OFF button
When
is pressed, check
pressing the
whether the signal
ON/OFF
transmitting part of the
button,
remote controller is
the air
aligned with the receiving
conditioner
part of the indoor unit.
does not
Check whether the power
raise the
switch of the air
receiving
conditioner is connected
tone
properly

11 REPAIR

In case your air conditioner fails to operate normally, shut
down the unit and cut off the power supply promptly. Then
contact the manfacturer distributor. Report the model, opera-
tion environment and fault information of the air conditioner in
detail, request for sending technicians to repair, but do not fix
it by yourself at your discretion.
Table 10-5
cause
Align the signal
transmiting part of the
remote controller with
the receiving part of the
indoor unit. Then press
the ON/OFF button
repeatedly.The air
conditioner cannot
receive the signals of
the remote controller
because it is shut
down.
owner's manual
7