LG BACnet Touch Installation & Owner's Manual page 80

72
Troubleshoot
Error
Indoor Device
Code
8
EEPROM ERROR
9
(indoor unit)
Indoor fan LOCK
10
(operation error)
11
Indoor mid-pipe sensor
12
error
Heater terminal
13 block sensor
(A-PAC)
14
O-ROTOR
(BLDC FAN driver)
15
communication
error
16
17
18
19
20
ERV or ERV DX
Hot water
thermometer
malfunction
EEPROM ERROR EEPROM ERROR
(indoor unit) (indoor unit)
Indoor fan Lock
(operation error)
HHU/boiler
communication
error (HHU)
Boiler error (HHU)
Solar heat
temperature sensor
error
Indoor unit flow
switch operation
error
Water pipe
overheating
Simultaneous
AWHP temperature
sensor error
Inlet water
ERV DX air out
temperature sensor
sensor
error
Outlet water
ERV DX air return
temperature sensor
sensor
error
ERV DX Main Elec/Heater outlet
PCB ← Sub PCB water temperature
communication error sensor error
ERV DX Main
PCB → Sub PCB Elec/heater error
communication error
AWHP(Hydro kit)
Operate smoke
control through
smoke detection.
Temperature (ERV,
air supply, external
air, Mix) is outside
acceptable range.
Humidity (ERV, air
supply, external
air) is outside
acceptable range
CO₂ value is within
acceptable range
Pressure (pressure
change, static
pressure) is outside
acceptable range
Speed (ERV and
air supply flow) is
outside acceptable
range.
AHU