Figure 56: Smart Pro Analog Input-2 Flow Chart - Ohmart Vega W-4510 Technical Reference Hardware Manual

W-4510 Weigh Scale Technical Reference Manual
Analog Input-2
Start
Yes
Is signal
No
present at
Input 2 TB4
(5-6)?
Yes
Is frequency
No
okay at U7-3
for input 2 ?
Yes
Does
+15VDC
No
measure across
(4-9) at U6 for
input
2?
Yes
Does
-15VDC
No
measure across
(11-9) at U6
for input
2?
Replace CPU
board
End

Figure 56: Smart Pro analog input-2 flow chart

Diagnostics and repair
Problem with
external wiring or
transmitter
Check jumpers
and I/O signal
cable
Refer to power
supply flow chart
Refer to power
supply flow chart
115