22.4. Test operation using the
wireless remote control
1. Within 1 minute of pressing the OFF/ON button, press to
cooling operation and then press the TEST RUN button.
•
• •
• If more than 1 minute passes, test operation cannot be
started. In this case, press the OFF/ON button once
more to repeat the operation.
•
• •
• Use the OPERATION button to change the operation.
The current operation mode will appear in the operation
mode display.
2. When test operation starts, “TEST RUN” will appear in the
timer display of the LCD, and operation will be carried out in
accordance with the operation mode display (COOL or
HEAT) appearing at that time.
However, the number in the temperature setting display will
not change.
(Cancelling test operation)
•
• •
• Press the OFF/ON button, the TEMP (UP/DOWN) button,
the OPERATION button, the FAN SPEED button or the
TEST RUN button to cancel test operation.
22.5. Self-diagnosis function
•
• •
• The wired remote control display and the self-diagnosis
LEDs (red) on the outdoor unit printed circuit board indicate
where the abnormality has occurred.
•
• •
• Recalling the error display.
<Air conditioner No.>
−
− −
− The air conditioner No. “01” appears during normal
installation and use. When using group control, a
different number may appear. The air conditioner No.
can be displayed by pressing the air conditioner No.
button.
When an abnormality occurs at this unit, “CHECK” flashes
in the display.
Press the CHECK button while the display is flashing.
The timer display will change and an error code from F15 to
F49 will appear in place of the time. (The temperature
setting display will also change to show the air conditioner
No.)
Press the TIMER SELECT/SET button while the error is
displayed.
The F15 - F49 display will change to the detail display.
•
• •
• After checking the error display and the detail display, refer
to the self-diagnosis error code table on the following page
and check the location of the problem.
•
• •
• If the problem is repaired and operation returns to normal,
the CHECK display on the remote control will be eliminated,
but the self-diagnosis LED will remain illuminated until the
operation starts again.
49
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