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Samsung AQV12ACME - Page 20

Samsung AQV12ACME
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Troubleshosting
5-2-2
Error
mode
display
of
outdoor
unit
board
RED
GREEN
YELLOW
Oo
O
©
LED3
LED2
Description
@
:
AvP
on
©
:
LAMP
FLICKERING
X_
:
LAMP
OFF
Normal
operation
and
communication
(Indoor-Outdoor
unit)
Abnormal
communication(Indoot-Outdoor
unit)
Trouble
of
the
control
power
of
the
outdoor
Abnormal
communication
(Sub-Main
micom)
LAMP
of
inverter
PBA
YELLOW
X
No
zero-crossing
signal
Trouble
of
option
setting
Abnormal
increase
of
discharge
temperature
Abnormal
increase
of
OLP
temperature
Abnormal
increase
of
operation
current
Over
current
of
IPM
circuit
Over
voltage
of
IPM
circuit
Over
voltage
and
current
of
PFC
circuit
Trouble
of
DC
link
voltage
circuit
Trouble
of
discharge
temp-sensor{open/short)
Trouble
of
outdoor
temp-sensor(open/short)
Trouble
of
deice
temp-sensor(open/short)
Trouble
of
OLP
temp-sensor{open/short)
@
|
0/0/0|
x/O/@}
0/0
|
x|/@}/@/O|O|
x
©
|O|O|
O/O/@|
@|
x|<
|
O/O
Trouble
of
AC
current
sensor(open/short)
and
Leakage
of
refrigerant(R-22)
Samsung
Electronics
5-3

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