LG MULTI V ARWN80LA2 Product Data page 168

Display
number
Master outside unit liquid pipe temperature sensor
1
error
Slave1 outside unit liquid pipe temperature sensor
1 1 3 2
error
Slave2 outside unit liquid pipe temperature sensor
3
error
Master outside unit over-cooling inlet temperature
1
sensor error
Slave1 outside unit over-cooling inlet temperature
1 1 4 2
sensor error
Slave2 outside unit over-cooling inlet temperatur
3
sensor error
Master outside unit over-cooling outlet tempera-
1
ture sensor error
Slave1 outside unit over-cooling outlet tempera-
1 1 5 2
ture sensor error
Slave2 outside unit over-cooling outlet tempera-
3
ture sensor error
1 5 1 - Outside unit 4 way valve switch failure
1 Master outside unit static compressor error
1 7 3 2 Slave1 outside unit static compressor error
3 Slave2 outside unit static compressor error
1 8 0 - Plate type heat exchanger freeze prevention
1 8 1 - Water temperature sensor error
1 8 2 - Communication error between MICOMs
Refer to the troubleshooting guide of service technical manual for each error.
Installation
Error item
Master outside unit liquid pipe temperature sensor disconnection or short cir-
cuit
Slave1 outside unit liquid pipe temperature sensor disconnection or short cir-
cuit
Slave2 outside unit liquid pipe temperature sensor disconnection or short cir-
cuit
Master outside unit over-cooling inlet temperature sensor disconnection or
short circuit
Slave1 outside unit over-cooling inlet temperature sensor disconnection or
short circuit
Slave2 outside unit over-cooling inlet temperature sensor disconnection or
short circuit
Master outside unit over-cooling outlet temperature sensor disconnection or
short circuit
Slave1 outside unit over-cooling outlet temperature sensor disconnection or
short circuit
Slave2 outside unit over-cooling outlet temperature sensor disconnection or
short circuit
Outside unit 4 way valve switch error
Master outside unit static speed compressor burn, locking and over-current
Slave1 outside unit static speed compressor burn, locking and over-current
Slave2 outside unit static speed compressor burn, locking and over-current
Plate type heat exchanger freeze prevention error
Water temperature sensor open/short
Communication error between main MICOM and sub MICOM
Root cause of error
56
56