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Common Faults And Elimination Methods of Fan Coil Unit 2

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Update time : 2020-03-18 15:58:04
Common Faults of Fan Coil Unit and Their Elimination Methods

Fault 6, Fan Coil Unit Leakage

Cause:

Fan coil unit wires are damaged and leaking electricity.

Exclusion method:

Repair of Fan Coil unit Line

Fault 7, Fan Coil unit Leakage

Cause:

1, installation is not good

2,  water tray tilt

3,  drain plug

4,  pipe has a leak

5,  condensate dripping from the pipe

6, fan plate pipe joint installation is not good

7, exhaust valve forgot to close

Exclusion method:

1, fan coil unit horizontal installation

2. Adjustment

3, remove the blockage

4, check and replace the fan coil pipe

5, check the heat preservation again

6. Fasten after inspection

7. Close the valve

Fault 8: The fan will not stop after the fan coil unit is turned off.

Cause:

1,  switch failure

2,  control circuit short circuit

Exclusion method:

1, repair or replace the fan coil unit switch

2, check the fan coil unit circuit, eliminate short circuit

Fault 9. Fan coil unit has vibration and noise

Cause:

1,  installation is not good

2,  casing installation is not good

3. Loose parts for fixing fan coil units

4. There are foreign matters in the passage of fan coil unit air

5,  fan motor failure

6,  fan blade damaged

7. Loose louver of fan coil unit air supply outlet

8. Air in Fan Coil Unit

9, fan coil unit chilled water (hot water) flow too fast

10, there is a lot of air into the water

11, when using quantitative valve, differential pressure is too large

Exclusion method:

1. Reinstall and adjust

2. Reinstall

3. Fastening

4. Removal of Foreign Bodies

5, repair or replace the motor

6. Replacement

7. Fastening

8. Exhaust air

9, check the water flow rate

10. Remove air from water

11, replace the appropriate valve

Fault 10, fan coil unit cold air (hot air) effect is not good

Cause:

1,  valve opening is not enough

2,  pipe coil pipe blockage, poor ventilation

3. Air in Fan Coil Unit

4. Power supply voltage drops

5,  air filter blockage

6. Insufficient water supply (cold and hot water)

7. Abnormal water supply temperature

8,  fan reverse

9,  air supply, air return has a barrier

10. The front plate is not installed properly.

11, air short circuit

12, indoor air distribution is uneven

13. Improper selection of fan coil unit model

14, ceiling ceiling fan coil units connected to the air leakage

15, improper fan coil unit temperature adjustment

16, room sunshine or open the window

Exclusion method:

1, readjust the opening

2, cleaning the coil

3. Exhaust air

4, find out the reason

5. Clean the air filter

6, adjust the water supply valve

7, check the frozen water (or hot water) temperature

8. Re-wiring

9. Remove obstacles

10. Regular installation

11, check the tuyere for obstacles

12, check and adjust the tuyere

13. Redesign and select the wind turbine

14. Repair

15, readjust the air supply level

16. Close the window and hang the curtain

Summary: The installation of fan coil units is a task with high responsibility and technical requirements for construction personnel.  Production, sales and after-sales service will also encounter various related problems, so Baoding Yuexin has certain requirements for personnel training and management within the company. If you have any questions, you can contact us Baoding Yuexin Fan Coil Unit.
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