Auto Back Up Function_Constant Speed Compressor - LG ARUN Series Service Manual

Function

4.9 Auto Back Up Function_constant speed compressor

This function allows the system to operate in case of constant speed compressor failure
by backing up compressor automatically.
Constant speed comp failure
Constant speed Comp Auto Backup
Error Display 173+Unit No
Example) Slave1 Unit constant speed Comp failure(No.173)
Caution
1. Request SVC immediately if error occurs
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Operation
30min delay
Error clear
Operation possible
ODU
Error number
ODU Main PCB
Display
IDU,ODU off
- 44 -
Constant speed comp
permanent back up starts
LGE Internal Use Only