B&B ARMR

(800) 367-0387

www.bb-armr.com

700 Series Troubleshooting Guide

The table below provides guidance on identifying and correcting any problems with your 700 Series vehicle barrier. Please refer to the HPU O&M manual for more detailed troubleshooting guides referring to the pumping unit. If you encounter problems that you cannot fix, contact B&B ARMR and we will gladly work with you to correct them.

Symptom Actions
Beam arm does not go up 1. Check power.
2. Check overload protector.
3. Check PLC input.
4. Check that safeties are clear.
5. Check PLC output.
6. Check push button operation.
Beam arm does not go down 1. Check power.
2. Check overload protector.
3. Check PLC input.
4. Check that safeties are clear.
5. Remove manual clock.
6. Check cartridge valve operation.
7. Check PLC output.
8. Check push button operation.
Beam arm whips excessively 1. Check limit switch adjustment.
2. Check that dampening piston works and is adjusted properly.
Beam arm makes noise 1. Check that bearings are greased
2. Check that beam arm is not moving too fast
Unit is excessively hot 1. Check that cooling fan is working.
2. Check that the cover is on properly.

3. Check that the limit switch is turning the motor off (not time)

4. Check the heater element.
Beam arm moves slowly 1. Check that heater element is working.
2. Check flow control valve.
Traffic indicator light does not change 1. Check proper limit switch operation.
2. Check bulbs.
3. Check PLC outputs.
Beam arm strikes receiver post 1. Check that strike pads are present
2. Check that hinge and receiver post are aligned correctly

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