Service manual
26
Check of PLASMA DEODORIZING power
F
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 once with the remote controller
headed towards the indoor unit. w1
PLASMA DEODORIZING operation is selected.
wThe plasma power operation check mode is set.(Refer to 9-2.5.)
PLASMA DEODORIZING 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 DEODORIZING power operation check is
performed with the plasma unit wet, protection gets active
and PLASMA/WASH lamp blinks continuously as well.
w2Turn PLASMA DEODORIZING power OFF and ON again.
(For turning OFF PLASMA DEODORIZING 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
DEODORIZING power operation.
Pay careful attention and never touch PLASMA unit and the
high-voltage lead part (red wire).
Yes
No
OFF
PLASMA
DEODORIZING
operation
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 DEODORIZING filter,
firmly close the front panel, and then perform
PLASMA DEODORIZING 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 DEODORIZING) 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 DEODORIZING).
Replace the indoor electronic control P.C. board.
When PLASMA DEODORIZING power turns
ON by pressing PLASMA button once, is there
12.5V DC between CN1 1(+) and 2(GND)?
Replace the SAFETY DEVICE(PLASMA UNIT).
Firmly fix the SAFETY DEVICE(PLASMA UNIT).
w1 Regardless of normal or abnormal, a short
beep is emitted once as the signal is received.
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