Error Code Tables - LG ACHH017VBAB Installation And Owner's Manual

Alarm
The description of the alarm is as follows.
Error code
Control during error
Outdoor temperature sensor error
CHxx001 Outdoor temperature sensor is open/short
Stop product
HMI communication error
When communication between HMI and chiller controller is disconnected for
CHxx003
more than 30 seconds
Stop product
Cycle control box communication error
When communication between chiller controller and cycle control box is dis-
CHxx005
connected for more than 30 seconds
Stop product
Remote communication error
When the modbus communication with the external device is not established
CHxx009 for more than 30 seconds after the initial communication with the remote
modbus condition is established
Stop product
Load water pump interlock error
When the load water pump is turned off for 3 seconds when starting or during
CHxx011 the operation for more than 3 times within 1 hour
When turned off more than 9 seconds within 1 hour
Stop product
Load water flow switch error
When the load water flow switch is turned off for 3 seconds when starting or
CHxx013 during the operation for more than 3 times within 1 hour
When turned off more than 9 seconds within 1 hour
Stop product
Remote alarm
When the contact point signal of hardware wiring is short when entering the
CHxx015
remote control mode
Stop product
Due to our policy of continuous product innovation, some specifications may change without notification.
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ERROR CODE TABLES

Error name
Error condition
Cancel condition
Automatically return to normal condition
Automatically return to normal condition
Automatically return to normal condition
Automatically return to normal condition
Press the HMI Reset button
Press the HMI Reset button
Automatically return to normal condition
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