The DoorKing 9100 is a 115V AC slide gate operator with a 1/2 HP continuous-duty motor and #40 chain drive, rated for UL 325 Classes I through IV, 60 cycles an hour, and level gates up to 1,000 lb and 30 ft. We diagnose and repair 9100 operators, including older 9100-080 units and ones we didn't install.
Written diagnosis before any work · Operators other companies installed · CSLB #1042768
Not sure which it is? Text us a photo of the operator, or call 661-605-3266.
The 9100 uses no numbered error codes. The 4602 control board reports through LEDs and an alarm. From the manual:
Power LED: low-voltage power is reaching the board.
Input LEDs: should be off, lighting only when an input is active. One that stays on is holding the operator.
Pulse LEDs: blink while the operator runs. One that does not blink points to a magnetic pickup more than 1/8 inch from its cover.
UL 325 sensor LEDs: on or flashing points to that device or its wiring.
Alarm, then a chirp every 5 seconds: a hard shutdown after two obstructions in a row. Press the reset button, or switch the power off and on.
Soft shutdown: after one obstruction the gate reverses and waits for another command.
The clutch should slip only after striking an obstruction with no more than 75 lb of force.
Most 9100 faults are repairable. The board, motor, capacitor, clutch, belt, pulleys, chain and magnetic pickups are separate parts, and there are no fluids to leak. Replacement makes sense when the motor has failed late in the unit's life, or when the gate is beyond the 9100's rating of 1,000 lb and 30 ft, a rating that assumes a level gate.
For a heavier or longer gate, DoorKing's 9150 is rated up to 1,500 lb and 45 ft with its 1 HP motor. The 9100 has no built-in battery, so a site that needs the gate to run through outages needs DoorKing's backup inverter or a DC slide operator such as the 9024. Pre-2016 9100 units can take DoorKing's 4602-010 replacement board; later units retrofit to the current 9100.
The 9100 is a current DoorKing product, built in Inglewood, and DoorKing publishes a replacement board, the 4602-010, for pre-2016 9100 and 9150 operators. We confirm your unit's board revision before we schedule the repair.
Scoped to your property, not a flat per-item rate. These are the factors that move the number, in the order they usually matter. The estimate is free.
Veritas Access Solutions repairs DoorKing 9100 operators across Los Angeles, Ventura and Kern counties, including older 9100-080 units and operators another company installed. We read the board LEDs, diagnose on site and give you a written diagnosis before any work. Call 661-605-3266, or text a photo of the operator.
It is in a hard shutdown after sensing two obstructions in a row before the gate finished its cycle. Find what the gate hit, then press the reset button or switch the power off and on. The operator keeps its open and close positions.
DoorKing's checklist: make sure the electronic box inside the operator is fully down and secured, the clutch is not slipping, the gate slides freely, and the reverse sensor is not set too sensitive. If those check out, the magnetic pickups may be too far from their cover.
Repair, in most cases. The board, motor, capacitor, clutch, belt, chain and pickups are separate parts, and there are no fluids to leak. Replace it when the motor has failed late in its life, or the gate is beyond its rating of 1,000 lb and 30 ft on level ground.
Most 9100s have the standard fail-safe release: with the power off, the gate can be pushed open, though it takes a strong push. Units with the optional fail-secure kit need the release key turned half a turn first. When power returns, the first open command relearns the limits.
DoorKing's schedule is monthly checks of the clutch, reverse sensor, alarm, manual release and safety devices, and every six months the drive belt, chain, pulleys, wheels and guide rollers, with a full system check every 12 months.
It depends on the fault, whether the board or motor has failed, the condition of the chain and drive, and the safety devices on the gate. We price after an on-site diagnosis rather than over the phone, and the estimate is free.
Based in Santa Clarita, dispatched across Los Angeles, Ventura and Kern counties.
More DoorKing operators: DoorKing gate operator repair.
We call back within 30 minutes during business hours.
The free estimate prices the work you already want. The paid assessment is a Red Team walk of your perimeter, with a written report.
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