Haier MRV II - Page 52

- 53 -
exhibition diagnose shooting (trouble
diagnose
method)
two switches of
SW01 on
wired
controller at
“ON”
two switches of
SW01 on wired
controller at
“OFF”
dial SW01-1
of master
wired
controller to
“OFF”
3
one wired
controller
control one
indoor, wired
controller
shows 8888
circularly and
can not
recover
wired
controller or
PCB is
damaged
change
CN23 of PCB
is not short
connected
make CN23
short
connection
supply
power to
wired
controller
communication
wire of wired
controller from
CN22 to
terminal is
inserted
conversely
adjust
SW08-[6] is
“OFF”
change
SW08-[6] to
“ON”
4
wired controller
does not
display
wired
controller is
damaged
change
5
Wired
controller does
not display
running mode
when there are
master unit
and slave unit
SW01 on slave
wired
controlled unit
PCB is “0”
SW01 on wired
controlled slave
unit PCB can not
be dialed to o,
only can be
dialed between
1~15
Part 2