Error No. 242 - LG Multi V5 Service Manual

ERROR CODES

Error No. 242

Please refer to the Safety Precautions on pages 4-7 for more detail to prevent injury or death regarding the operation and service
WARNING
troubleshooting of the Multi V product.
Error No. Description
242
Master: 2421
Network error.
Slave 1: 2422
Slave 2: 2423
Is the communications
cable of the RS-485 properly
connected.
Are any indoor unit
addresses repeated?
Is the simple central con-
troller setting correct?
Recheck power and installation.
Incorrect RS-485 Communication Wiring
Images here are representative of system components. Actual component appearance depends on model and system type.
208
Network error of central controller.
No
Yes
No
Yes
No
Yes
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Details
1. RS-485 communication wiring defect.
2. Communication defect between remote
3. RS-485 DIP switch setting error.
4. Indoor unit addressing setting error on
Reconnect RS-485 communications cable.
Reset any indoor unit addresses that are
repeated.
Set the slave mode with the simple central
controller after the system is reset.
Communications LED Between the Network and the Outdoor Unit
(The communications LED flashes on and off when communica-
tion is normal between the network and the outdoor unit.)
Causes
controller and indoor unit.
central controller.