Samsung AE044MXTPEH - Time out (1 Min.) of Communication Error between MAIN PBA and INV. PBA (E203)

Troubleshooting
Samsung Electronics
79
4-5-2 Time out (1min.) of communication error between MAIN PBA and INV. PBA (E203)
1. Check items
1) Is the communication cable connected properly between MAIN PBA and INVERTER PBA?
2) Is the power cable connected correctly?
2. Check procedure
Does the communication error occur?
Yes
No
Normal operation
Is the communication/power
cable connected properly between
MAIN PBA and INVERTER PBA?
Yes
Connect the connector right position
Exchange MAIN PBA/INVERTER PBA
in order of mention
No
<CN305 in MAIN PBA > <CN31 in INVERTER PBA>
4-6-2