The air conditioner does not work at all (SFSU 55K Inverter)

Possible cause:

1. Loss of power supply.
2. The power supply is disconnected.
3. Power fuse’s burned.
4. The time switch is set.
5. The batteries in the wireless controller are exhausted.

Solve:

1. Expect to restore supply.
2. Reconnect the supply (lift the switch).
3. Replace security.
4. Expect or cancel the timer setting.
5. Replace the batteries.