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20
EN
TROUBLES AND CAUSES
If any of the following conditions occur, stop the air conditioner immediately, set to off the main power
switch and contact the dealer:
•
The indicator lamps blink at short intervals (5 Hz). Reset the circuit breaker 2 to 3 minutes after the
power main switch is turned off. Despite the above-mentioned resetting the lamps still continue going
on and off.
•
Switch operation are erratic.
•
The main power fuse often blows out, or the circuit breaker is often activated.
•
Foreign matter or water has fallen inside the air conditioner.
•
Any other unusual condition is observed.
CAUTION
Before you ask for servicing or repairs, check the following points.
Inoperative
•
The power main switch is turned off.
•
The circuit breaker is activated to cut off the power supply.
•
The main power fuse has blown out.
•
Stoppage of electric current.
•
The batteries in the remote control are exhausted.
•
ON timer is set.
Poor cooling or heating performance
•
The air inlet or outlet of the outdoor unit is blocked.
•
Doors or windows are opened.
•
The air filter is clogged with dust.
•
The louver is not at the correct position.
•
The fan speed is set to low.
•
The air conditioner is set in the DRY mode.
•
The set temperature is too high. (In cooling operation)
•
The set temperature is too low. (In heating operation)
Rec
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