Common faults of air curtain:

1. The cold and warm air curtain does not emit hot air

2. The air curtain is noisy

3. No wind from the air curtain

4. After power on, the air curtain does not work

5. Air curtain remote control malfunction

6. The hot water air curtain machine runs and leaks

7. The electric air curtain machine emits hot air while natural wind

8. During work, the relay is noisy and emits harsh noise

9. Affected by the surrounding environment, the air curtain fails to operate

10. The air curtain frequently trips after installation

11. The impeller of the hot water air curtain falls off

Air curtain machine fault diagnosis and repair

The diagnosis of the air curtain is mainly for the fan inside, which is an air supply or exhaust device. A blower is a fan that blows air into ducts, pressure rooms, rooms or other spaces. An exhaust fan is a fan that draws air away from the room.

The first is to check the material outside the unbalanced fan. Many repairers will find something stuck to the fan frame. Repair note: Remove these things and check for damage.

The second is that the fan transmission volume exceeds the rated value. Repair instructions: reduce the fan speed.

Finally, the fan speed is high or the direction of rotation is wrong. Repair instructions: reduce the speed of the fan or correct the direction of the fan.

Matters needing attention when installing air curtain:

1. Optimal installation height: Determine the installation height according to the selected model.

2. The installation of the machine should be stable and level, erect and inclined installation and use are not allowed, and no sundries are allowed to fall into the machine.

3. To install the machine, choose one or more machines according to the door size and heating requirements. Generally, the total length of the machine is slightly wider than the door.

4. For the first test, no one is allowed under the machine.

5. If there is any abnormal sound during use, stop the machine for inspection immediately.

Daily maintenance of air curtain machine:

1. Check the air inlet and outlet of the air curtain to prevent blockage

2. Check electrical components, check whether the screws are loose and whether the wiring is firm

3. Check whether the hanging bolts of the air curtain are loose,

4. Check whether the power cord of the air curtain is aging