Daikin MC401VE Service Manual download pdf (Page 28)

SiENBE81-623A Operation Manual

Photocatalytic Air Purifiers 27

4.5 Troubleshooting

3P167171-1E

Separate the television, radio and indoor antenna from

this unit by 2m or more.

Frequently asked questions

Question

1. The dust sensor does not

change from the red (green)

lamp.

2. The sensitivity of the dust

sensor seems to be bad (or

too good).

Can I wash the

deodorization catalytic unit?

Is replacement necessary?

4. What to do if the ionizer

wires are cut?

5. Is not a problem to use

while the cleaning sign is

blinking?

Answer

This is due to dusts built up in the dust sensor.

Vacuum dusts from the air inlet with a crevice nozzle of a cleaner and then manually operate the unit for

a while. The sensor will go back to normal.

This is because react time of the dust sensor differs depending on the size of room.

If the unit is installed at the lower position of a room, reaction to smoke of cigarettes or others may be

bad. Re-install the unit at the higher place such as on a shelf. If the sensitivity is still bad, adjust the

sensor with sensitivity settings.

The deodorization catalytic unit cannot be washed.

(The unit will be ruined.)

Vacuum dusts with a cleaner without removing from the main unit. Replacement is not necessary.

If the ionizer wires should be cut, replacement is necessary.

Contact your dealer.

While the cleaning sign is blinking, electric dust collection and deodorization functions remarkably

deteriorate as electricity supply to the ionizer wires and streamer discharger stops for safety.

Be sure to inspect inside until the sign turns off.

(Blinking is not a problem from a safety viewpoint.)

Trouble Shooting

 Investigate the problem once again before requesting repairs.

CaseCheck

Measure

Does not operate.

The four airflow rate displays, LL

(Quiet), L (Low), M (Standard) and H

(High) are flashing at the same time.

Air does not come out.

Cleaning effect is not obtained.

Television screen is distorted.

Crackling, buzzing, and

fizzes sounds are audible

during operation.

Odor is coming from the air outlet.

The cleaning sign does not turn

off or blinks again even after

cleaning the plasma ionizer.

Is the power plug unplugged?

Securely insert it.

Securely set it.

Is the front panel correctly set?

Are the battery of the remote control dead?

Replace with new battery. (page 5.)

Is there any foreign matter in the air outlet?

Remove the foreign matter.

For other cases, contact your dealer.

Is the unit installed at a location where the

flow does not pass or are there obstructions

close to the unit?

Remove the obstruction.

Is there too much dust in the pre-filter or

pleated filter?

Clean or replace. (pages 5, 6, 9)

Is too much odors or smoke being generated?

For this case, contact your dealer.

Is a television or radio installed within 2m of

this unit or is an indoor antenna being used

close to this unit?

Is the power cord or antenna of the television

or radio close to this unit?

Separate the power cord and antenna of the television

or radio as much as possible away from this unit.

Is the plasma ionizer securely set? Securely set it.

Is dust adhering to the ionizing line of the

plasma ionizer (resin part)?

Clean the plasma ionizer. (pages 11, 12.)

Has water entered into the spurt hole

moistening the negative ionization assembly?

If the negative ionization assembly is dry, the sound will

go away.

The streamer discharger makes a fizzes

sound.

This is not abnormal.

Is a large amount of odor being generated

temporarily? (Many people smoking or

grilling meat.)

If operated, the odor will gradually go away.

Have you moved the main unit to another room?

Odor from the original room may smell.

If the pre-filter or plasma ionizer dirty? Clean it. (pages 9, 11, 12, 13.)

Is the plasma ionizer set securely?

Securely set it.

Are not droplets left in the opposing pole

plates or other places?

Wipe off droplets.

Are not bits of tissue left in the plasma ionizer?

Remove bits of tissue.

Did you rinse and soak the plasma ionizer

well after washing the plasma ionizer with

detergent?

Soak well.

Are not the ionizer wires cut? Contact your dealer.

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Daikin MC401VE Service Manual Page 28

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