- 16 -If it is difficult to pull out the filter, please open the front cover to take out the filter:1. Open the front cover byholding the two sides of frontcover.2. Pull out the Pre-filter.3. Close the front cover and alsopress the upper left & rightcorners to close it completely. Safety Items:z Do not put your hands into the machine when running, to avoid from injury orburn by the heater.z Do not spray water into the main body, which may damage the motor, or causeelectric shock by the electricity leakage.z In order to avoid from any accident or injury, if any of the following symptoms andabnormal situation occur, please switch off the electricity and ask qualifiedelectrical engineering contractor for repair or check. (Self repair by user is strictlyprohibited to avoid danger).ӑ Turn on the power, the fan does not start.ӑ The power on and off.ӑ Abnormal sound and vibration during operation.ӑ Plastic smell or other abnormal smell occurs. General Failure Treatment:Phenomenon Check SolutionNo operate when the powerturning onNo power supply Switch on the powerThe light of the Powerdoes not light onAsk the qualified engineerfor repairThe display light does not displayconforming to the functionThe machine does notreceive remote controlsignalAlign the remote to themachine or control theremote in the receivingrangeAbnormal noise Filter blocking Clean the filter or replacewith a new filterThe remote control does notwork Low battery Change the battery