Service manual
27
Check of PLASMA AIR PURIFYING power
G
When PLASMA/WASH lamp flashes 2-time.
When POWER lamp flashes 1 to 5 times while PLASMA DEODORIZING / PLASMA AIR PURIFYING power failure
mode is recalled.
After performing the check, make sure to release the failure mode recall function.
Make sure that the front panel is firmly closed. (Refer to 9-1.6
Figure 5)
1 While pressing both OPERATION SELECT
button and TOO COOL button on the remote controller at the
same time, press RESET button.
2 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.
3 Press OPERATE/STOP (ON/OFF) button (the set temperature
is displayed)
4 And press PLASMA button twice with the remote controller
headed towards the indoor unit. w1
PLASMA AIR PURIFYING operation is selected.
wThe plasma power operation check mode is set.(Refer to 9-2.5.)
PLASMA AIR PURIFYING power supply is normal.
Working of SAFETY DEVICE (PLASMA UNIT)
due to uncomplete close of the front panel could
cause 2-time flash.
Abnormal discharge may occur due to much dirt on
the PLASMA unit, clean the unit.
After cleaning, make sure to attach the unit since it is
completely dry.
If PLASMA AIR PURIFYING power operation check is
performed with the plasma unit wet, protection gets active
and PLASMA/WASH lamp blinks continuously as well.
w2Turn PLASMA AIR PURIFYING power OFF and ON again.
(For turning OFF PLASMA AIR PURIFYING power, refer to 9-2.3.)
(If it goes normal without turning OFF and ON, PLASMA/WASH lamp
doesn't go OFF.)
Yes
No
No
Yes
Yes
No
9.5V DC is generated.
Yes
No
Replace the indoor electronic control P.C. board,
after check of the wiring of CN1T1 on the indoor electronic
control P.C. board.
High voltage (approx. -3.9kV) is generated during PLASMA
AIR PURIFYING power operation.
Pay careful attention and never touch PLASMA unit and the
high-voltage lead part (red wire).
Yes
No
OFF
Continuously blinking.
OFF
Continuously blinking.
Does PLASMA/WASH lamp
flash 2-time with unit stopping?
Turn ON the power supply.
Replace the indoor electronic control P.C. board.
Remove PLASMA AIR PURIFYING filter,
firmly close the front panel, and then perform
PLASMA AIR PURIFYING power operation
check (w2).
Does PLASMA/WASH lamp stay OFF, or
continuously blink?
Does PLASMA/WASH lamp stay OFF, or
continuously blink?
Turn OFF the power supply, and check the
SAFETY DEVICE(PLASMA UNIT).
Is it firmly fixed?
Work and Not-work the SAFETY DEVICE
(PLASMA UNIT) using something like a screw
driver, and measure the resistance between
CN1T2 1 and 3 on the indoor electronic
control P.C. board. Does the SAFETY
DEVICE function?
Keep the SAFETY DEVICE(PLASMA UNIT)
Not-work (close) using something like a screw
driver. Turn ON the power supply. Is the voltage
between CN1 1(+) and 2(GND)
on the PLASMA POWER P.C. board
(PLASMA AIR PURIFYING) 0V with the unit
stopping? (Refer to 9-7.)
Set the plasma power failure mode recall function.
(Refer to 9-2.2)
Replace the PLASMA POWER P.C. board
(PLASMA AIR PURIFYING).
Replace the indoor electronic control P.C. board.
When PLASMA AIR PURIFYING power turns
ON by pressing PLASMA button twice, is there
12.5V DC between CN11(+) and 2(GND)?
Replace the SAFETY DEVICE(PLASMA UNIT).
Firmly fix the SAFETY DEVICE(PLASMA UNIT).
PLASMA
AIR PURIFYING
operation
w1 Regardless of normal or abnormal, a short
beep is emitted once as the signal is received.
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