Hitachi air conditioners are an incredible combination of ideas and progressive technologies providing comfort in your house. The troubleshooting system, which one can see below in form of a table, helps to conduct diagnostics of Hitachi equipment even to simple users.
|Problem||Possible Causes||What To Do|
|■ The air conditioner is unplugged.||• Make sure the air conditioner plug is pushed completely into the outlet and switched on.|
|Air conditioner does not start||■ The fuse is blown/circuit breaker is tripped.||• Check the house fuse/circuit breaker box and replace the fuse or reset the breaker.|
|■ Power failure.||• If power failure occurs, switch off and disconnect /unplug the power cord. When power is restored, reconnect (plug in) the power cord, switch on the power and wait 3 minutes to restart the air conditioner to prevent tripping of the compressor overload.|
|■ Airflow is restricted.||• Make sure there are no curtains, blinds, or furniture blocking the front of the air conditioner.|
|Air conditioner does not cool as it should||■ The air filter is dirty.||• Clean the filter at least every 2 weeks.|
|■ The room may have been hot.||• When the air conditioner is first turned on you need to allow time for the room to cool down.|
|■ Cold air is escaping.||• Check for open furnace floor registers and cold air returns.
• Set the air conditioner’s vent to the closed position
|■ Cooling coils have iced up.||• See Air Conditioner Freezing Up below.|
|Air conditioner freezing up||■ Ice blocks the air flow and stops the air conditioner from cooling the room.||• Set the fan at MED or HIGH until the ice melts.|