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Troubleshooting
Fix It Before You Order
A surprising share of “dead” barrier gates come back to life with a fifteen-minute check. Work through these before you buy a replacement, and call us if none of them land.
The arm won’t raise, but the motor runs
Almost always a balance or coupling issue rather than a motor fault. Check the spring tension against the arm length in the manual: a replacement arm that is longer or heavier than the original will need the balance reset. Then inspect the drive coupling and the flange bolts for shear.
The gate opens on its own or won’t close
Suspect the safety loop first. A loop with a break in the sealant, water ingress, or sensitivity set too high will hold the gate open indefinitely. Disconnect the loop detector at the controller: if the gate then closes normally, the fault is in the loop or the detector, not the barrier.
Intermittent operation in wet or cold weather
Check the cabinet seal and the cable gland where control wiring enters the housing. Moisture on the controller board and corroded terminal blocks produce exactly this pattern. Where power is unstable, a battery backup power supply keeps the controller from resetting mid-cycle.
The controller shows a fault code
MGC-PRO controllers report faults through the display and the SM01 hand-held service module. Note the exact code before you power-cycle, because clearing it destroys the evidence. Send us the code and the gate model and we’ll tell you whether it’s a sensor, a limit setting, or a board.
The arm is damaged but the gate is fine
Arms are the consumable, and that’s by design. Varioboom sections, foam covers, flanges and LED strips are all replaceable individually, so a strike usually costs an arm section rather than a drive unit. Measure the existing arm and confirm the flange pattern before ordering.
I need a part that’s no longer made
Send us whatever you have: the old part number, the nameplate photo, or the failed component itself. We cross-reference across Magnetic AutoControl, Alvarado, FAAC and the rest of our lines to find the correct current equivalent, including legacy MIB and MBE hardware.
Preventive Maintenance
Keep the Gate Off the Fault List
US-Based Support
Still Stuck? Call Us.
Our team helps with specifying, troubleshooting and sourcing replacement parts for existing installs, before and after the sale.
Mon–Fri, 8am–5pm ET
One business day response
Part cross-referencing from a photo