Auto Back Up Function_Inverter Compressor - LG MULTI V IV ARNU07GTU 2 Series Service Manual

Function

4.12 Auto Back Up Function_Inverter compressor

This function allows the system to operate in case of inverter compressor failure by backing up compressor
automatically.
SVC can be asked by displaying error to the customer every 6 hours.
INV Comp Auto Back up Operation
IDU,ODU display error for 10 min.
IDU remote controller error clear
Example) Slave1 unit Inverter Compressor 1 start failure error No. 21 occur
Caution
1. Request SVC immediately if error occurs.
2. Auto back up is set up to 1 inverter Comp
3. If Inverter Comp Auto Back up starts, error displays for 10 min. every 6 hours.
4. Error displays continuously at the corresponding ODU.
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Only for training and service purposes
Inverter compressor failure
(NO.21,22,26,27 error occur)
IDU operation possible
Timer > 6hr
Yes
Error Compressor
Unit (1 : Master, 2 : Slave1, 3 : Slave2, 4 : Slave3)
Error number
No
(repetition)
- 44 -
LGE Internal Use Only