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If any malfunction of the air conditioner unit is noted, immediately switch off the power supply to the unit. Check the
following fault conditions and causes for some simple troubleshooting tips.

TROUBLESHOOTING

Fault

1. The compressor does not operate 3 minutes after the

air conditioner unit is started.

2. The air conditioner unit does not operate.

3.   The air flow is too low.

4. Discharge air flow has bad odor.

5. Condensation on the front air grille of the indoor unit.

6. Water flowing out from the air conditioner unit.

Causes / Action

- Protection against frequent starting. Wait for 3 to 4 minutes

for the compressor to start operating.

- Power failure, or the fuse need to be replaced.
- The power plug is disconnected.
- It is possible that your delay timer has been set incorrectly.
- If the fault persist after all these verifications, please contact

the air conditioner unit installer.

- The air filter is dirty.
- The doors or windows are open.
- The air suction and discharge are clogged.
- The regulated temperature is not high enough.

- Odours may be caused by cigarettes, smoke particles,

perfume etc. which might have adhered onto the coil.

- This is caused by air humidity after an extended long period

of operation.

- The set temperature is too low, increase the temperature

setting and operate the unit at high fan speed.

- Switch off unit and call dealer.

If the fault persists, please call your local dealer / serviceman.

Summary of Contents for FWF02AATNMV1

Page 1: ...INSTALLATION MANUAL Models FWF02AATNMV1 FWF03AATNMV1 FWF04AATNMV1 English Installation Manual Chilled Water Fan Coil Units...

Page 2: ......

Page 3: ...THE AIR CONDITIONER UNIT IN A LAUNDRY ROOM WARNING Installation and maintenance should be performed by qualified persons who are familiar with local code and regulation and experienced with this type...

Page 4: ...washer Adjust the unit height to 35 0 mm between the indoor unit bottom surface and the ceiling surface Confirm with a level gauge that the unit is installed horizon tally and tighten the nut and bolt...

Page 5: ...r vent that is fitted along with the connection for air purging 3 ways valve is required for cycling off or bypass the chilled water Black steel pipe polyethrene pipe and copper tube are recommended i...

Page 6: ...elay 220 240V 10A Model FWF02AATNMV1 FWF03AATNMV1 FWF04AATNMV1 PART NUMBER 08024091944 INDOOR COIL SENSOR RETURN AIR SENSOR LCD WIRELESS CONTROLLER AC LC MC BLACK PURPLE RED WHITE RED YELLOW FH BROWN...

Page 7: ...appropriate voltage range should be checked with label data on the unit A main switch or other means for disconnection having a contact separation in all poles must be incorpo rated in the fixed wiri...

Page 8: ...possible to seal one of the four air discharge outlet Sealing two or more air discharge outlet could cause a malfunction Remove the front panel and insert the sealing material into the air discharge...

Page 9: ...Is there any abnormal vibration on the unit itself or piping d Is the drainage of water smooth Note The installation guide above covers only the fan coil unit For installation of outdoor mini chiller...

Page 10: ...or the compressor to start operating Power failure or the fuse need to be replaced The power plug is disconnected It is possible that your delay timer has been set incorrectly If the fault persist aft...

Page 11: ......

Page 12: ...t 300 B 8400 Oostende Belgium Umeda Center Bldg 2 4 12 Nakazaki Nishi Kita ku Osaka 530 8323 Japan Tokyo office JR Shinagawa East Bldg 2 18 1 Konan Minato ku Tokyo 108 0075 Japan http www daikin com g...

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