Action When The Tracking Error - Samsung MIM-B17C Service Manual

Troubleshooting

5-2-9. Action when the Tracking Error

Is the cable connection of RS485 proper?
Is the polarity of RS485 cable correct?
Is the speed of centralized control unit
Are the devices connected to BACnet Gateway
5-11
BACnet Gateway_E_32400A(1)_1.indd 11
Start
Yes
Yes
set 9600bps?
Yes
Satisfied with install limitation?
Yes
No
Check the condition of cable connection
No
Check the polarity of RS485 cable
No
Set the speed of centralized control unit
as 9600bps(Turn 4th dip switch off)
Less than 256 indoor units, 1 demand controller, Less
than 8 SIMs(When demand controller is connected,
No
less than 7 SIMs), Less than 8 DDCs.
Connect using less than 128 DDC connection points
or install additional BACnet Gateway.
End
Samsung Electronics
2010-05-17 10:35:01