27
Check of damper
When the left lamp of OPERATION INDICATOR lamp flashes 15-time.
Indoor unit and outdoor unit do not operate.
JR06
JR05
Turn OFF the power supply.
After performing the check, make sure to release the failure mode recall function.
Remove the object.
Yes
Yes
Yes
Is there anything that interferes the opening
or closing movement of the damper?
Turn ON the power supply.
Is the resistance value normal each?
Turn OFF the power supply.
Measure the resistance according to 9-5.
1.Measure the resistance of the damper lock motors (ML1, ML2).
2.Measure the resistance of the damper motor (MV2).
Replace the indoor
electronic control
P.C. board.
Replace the motor
that indicates the
abnormal value.
No
No
Replace either or both damper
limit switches (open, close) as
follows.
1) No : Replace the damper
limit switch (open) .
2) No : Replace the damper
limit switch (close) .
Does the damper open and close?
(Normally, the damper opens and closes
each time VANE CONTROL button is pressed.)
Make the damper open by pressing
VANE CONTROL button.
1) Measure the voltage between CN1X1 (+) and (-).
2) Measure the voltage between CN1Y1 (+) and (-).
No
1) No
2) No
Replace either or both damper
limit switches (open, close) as
follows.
1) No : Replace the damper
limit switch (open) .
2) No : Replace the damper
limit switch (close) .
YesYes
1) Is there 0V DC between CN1X1 (+) and (-)?
2) Is there 5V DC between CN1Y1 (+) and (-)?
Make the damper close by pressing
VANE CONTROL button.
YesYes
Replace the indoor electronic control
P.C. board.
1) Measure the voltage between CN1X1 (+) and (-).
2) Measure the voltage between CN1Y1 (+) and (-).
1) No
2) No
1) Is there 5V DC between CN1X1 (+) and (-)?
2) Is there 0V DC between CN1Y1 (+) and (-)?
1. Regardless of normal or abnormal, a short
beep is emitted once as the signal is received.
< Set up the failure mode recall function >
Turn ON the power supply.
While pressing both OPERATION SELECT
button and TOO COOL button on the remote controller at the same
time, press RESET button.
First, release RESET button.
And release the other two buttons after all LCD except the set
temperature in operation display section of the remote controller is
displayed after 3 seconds.
Press OPERATE/STOP (ON/OFF) button of the remote controller (the set temperature
is displayed) with the remote controller headed towards the indoor unit. 1
With the remote controller headed towards the indoor unit,
press VANE CONTROL button.
While pressing both OPERATION SELECT
button and TOO COOL button on the remote controller
at the same time, press RESET button.
First, release RESET button.
And release the other two buttons after all LCD except the
set temperature in operation display section of the remote
controller is displayed after 3 seconds.
CN211
Fuse (F11)
IC101
C111
T11
VARISTOR (NR11)
Indoor electronic
control P.C. Board
CN212
CN151
CN152
CN1X1
CN1Y1
R111
E
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