Sharp AY-XM7CR Manual De Instrucciones página 25

If the unit appears to be malfunctioning, check the following points before calling for
service.
IF THE UNIT FAILS TO OPERATE
Check to see if the circuit breaker has tripped or the fuse has blown.
IF THE UNIT FAILS TO COOL (OR HEAT) THE ROOM EFFECTIVELY
Check the filters. If dirty,
clean them.
Make sure windows and
doors are closed tightly.
IF THE UNIT FAILS TO RECEIVE THE REMOTE CONTROL SIGNAL
Check whether the remote
control batteries have be-
come old and weak.
Please call for service when OPERATION Lamp, TIMER Lamp and TEMPERATURE INDICATOR
on the indicator panel blink.
Check the outdoor unit to
make sure nothing is blocking
the air inlet or outlet.
A large number of people in
the room can prevent the unit
from achieving the desired
temperature.
Try to send the signal again
with the remote control pointed
properly towards the unit's sig-
nal receiver window.
E-23
Check the thermostat is
proper setting.
Check whether any heat-
generating appliances are
operating in the room.
Check whether the remote
control batteries are in-
stalled with the polarities
properly aligned.