Symptoms
The fan speed can not be
changed.
The remote controller signal is
not transmitted even when
the ON/OFF button is pushed.
The TEMP. indicator does
not come on.
The indication on the display
disappears after a lapse of
time.
The TIMER ON indicator
goes off after a lapse of
certain time.
No receiving tone sounds
from the indoor unit even
when the ON/OFF button is
pressed.
Causes
Solution