Table of Contents
Advertisement
Installation and Operations Manual — Model 400 Series
5. TROUBLESHOOTING
The table below provides guidance on identifying and correcting issues with your Model 400
Series vehicle barrier. If you encounter problems that you cannot fix, contact B&B ARMR
and we will gladly work with you to correct them.
Model 400 Series Troubleshooting Guide
Symptom
Gate does not go open
Gate does not go close
HPU does not build up pressure, but is
running
B&B ARMR
A Division of B&B Roadway and Security Solutions
TROUBLESHOOTING
Actions
1. Check power
2. Check overload protector
3. Check pressure gauge
4. Manually open the gate by depressing the
directional control valve to see if problem
is mechanical or electrical. If mechanical,
check for binding on the gate. If not:
5. Check PLC input
6. Check that safeties are clear
7. Check PLC output
8. Check push button operation
9. Check locking pin and proximity switch,
gate will not open unless the pins are up
and I3 is lit on the PLC
1. Check power
2. Check overload protector
3. Check pressure gauge
4. Manually close the gate by depressing the
directional control valve to see if problem
is mechanical or electrical. If mechanical,
check for binding on the gate. If not:
5. Check PLC input
6. Check that safeties are clear
7. Check PLC output
8. Check push button operation
9. Check locking pin and proximity switch,
gate will not open unless the pins are up
and I3 is lit on the PLC
1. Check power
2. Close pressure relief valve
21
04X0 Rev G
Advertisement
Table of Contents
