5
ble
ower
to the
t
e
ormal?
age between
erminal
k
er ON/OFF
ote controller
the
eep two
s?
splay
f?
ector on display
o control PCB
lay PCB itself
Check power supply mains
or interconnection wires
Check the wiring of indoor
Is the
switch position
on switch pannel at
"Remote"
Does
control PCB
status LED repeat one
second "on and
off"?
• control PCB fault
• Micom or reset
IC fault
• Check the remote signal receiver
• Check the connection between signal
receiver and control PCB
Place the switch
position to the
"Remote" and then
Check it once
more
YES
YES
NO
NO
NO
NO
NO
