Fujitsu Air Konditioner Compact Wall Mounted Type manual Operating Tips, En-16, Troubleshooting

TROUBLESHOOTING

	Symptom	Items to check	See Page
CHECK ONCE	Doesn’t operate at all:	● Has the circuit breaker been turn off?
MORE		● Has there been a power failure?	—
		● Has a fuse blown out, or a circuit breaker been tripped?
		● Is the timer operating?	8 - 9
	Poor Cooling (or Heating)	● Is the Air Filter dirty?
	performance:	● Are the air conditioner’s intake grille or outlet port blocked?
		● Did you adjust the room temperature settings (thermostat) cor-
		rectly?
		● Is there a window or door open?	—
		● In the case of Cooling operation, is a window allowing bright
		sunlight to enter? (Close the curtains.)
		● In the case of Cooling operation, are there heating apparatus
		and computers inside the room, or are there too many people
		in the room?
		● Is the unit set for SUPER QUIET operation?	6
	The unit operates	● Are the Remote Controller’s batteries dead?
	differently from the Remote	● Are the Remote Controller’s batteries loaded properly?	5
	Controller’s setting:

If the problem persists after performing these checks, or if you notice burning smells, or the OPERATION Indicator Lamp (Fig. 3 5) and the TIMER Indicator Lamp (Fig. 3 6) flashes, and ECONOMY Indicator Lamp(Fig.3 7) flashes fast. immedi- ately stop operation, turn off the electrical breaker and consult authorized service personnel.

OPERATING TIPS

Operation and Performance

Heating Performance Microcomputer-controlled Automatic Defrosting

●This air conditioner operates on the heat-pump princi- ple, absorbing heat from outdoor air and transferring that heat to indoor unit. As a result, the operating per- formance is reduced as outdoor air temperature drops. If you feel that insufficient heating performance is being produced, we recommend you use this air conditioner in conjunction with another kind of heating appliance.

●Heat-pump air conditioners heat your entire room by recirculating air throughout the room, with the result that some time may be required after first starting the air conditioner until the room is heated.

●When using the Heating mode under conditions of low outdoor temperature and high humidity, frost may form on the outdoor unit, resulting in reduced operating per- formance.

In order to prevent this kind of reduced performance, this air conditioner is equipped with a Microcomputer- controlled Automatic Defrosting function. If frost forms, the air conditioner will temporarily stop, and the de- frosting circuit will operate briefly (for about 7-15 min- utes).

During Automatic Defrosting operation, the OPERATION Indicator Lamp (green) will flash.

●After heating operation stops, if frost forms on the out- door unit, the unit will start Automatic Defrosting op- eration. At this time, the outdoor unit will automatically stop after operating for a few minutes.

En-16