LG PAHCNM000 Owners & Installation Manual page 49

High Low
classification classification
error error
CH12001 ~
CH12999
CH13001 ~
CH13999
CH11xxx ~
CH16xxx
CH14001 ~
CH14999
Errors Error Code
CH12255
ODU 2
module error
in Comm #2
CH12XXX
CH13002
CH13005
CH13006
ODU 3
module error
in Comm #3
CH13255
CH13XXX
CH14002
CH14005
CH14006
ODU 4
module error
in Comm #4
CH14255
CH14XXX
Error
Location name
grade
Communication error
between ODU2 central 2
controls
ODU2 outdoor unit
error code is displayed 2
as is
ODU3 indoor sensor
2
(entrance pipe) error
ODU3 communication
fault (indoor unit <-> 2
outdoor unit)
ODU3 indoor sensor
2
(exit pipe) error
Communication error
between ODU3 central 2
controls
ODU3 outdoor unit
error code displayed as 2
is
ODU4 indoor sensor
2
(entrance pipe) error
ODU4 communication
fault (indoor unit <-> 2
outdoor unit)
ODU4 indoor sensor
2
(exit pipe) error
Communication error
between ODU4 central 2
controls
ODU4 outdoor unit
error code displayed as 2
is
HMI SETTINGS
Notes
Haven't received a central
control communication signal
from ODU #2 for more than 3
consecutive minutes (error
occurs only when the target
temperature control criteria is
supply air)
If an error occurs in the outdoor
unit communicating with indoor
unit 2 of COM #2, the code is
displayed as is
Sensor short-circuited or
disconnected
Haven't received a
communication signal from
outdoor unit for more than 3
consecutive minutes
Sensor short-circuited or
disconnected
Haven't received a central
control communication signal
from ODU #3 for more than 3
consecutive minutes (error
occurs only when the target
temperature control criteria is
supply air)
If an error occurs in the outdoor
unit communicating with indoor
unit 3 of COM #3, the code is
displayed as is
Sensor short-circuited or
disconnected
If indoor unit 1 of COM #4
hasn't received an outdoor unit
communication signal for more
than 3 consecutive minutes
Sensor short-circuited or
disconnected
Haven't received a central
control communication signal
from ODU #4 for more than 3
consecutive minutes (error
occurs only when target
temperature control criteria is
supply air)
If an error occurs in the outdoor
unit communicating with indoor
unit 1 of COM #4, the code is
displayed as is
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