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Nice 7251 - User Manual

Nice 7251
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Installation and Programming Manual
7251 post mount with 1050 control board
7351 pad mount with 1050 control board
7251/7351 Slide
Vehicular pad or post-mount slide gate operator with 1050 control board
www.ApolloGateOpeners.com | (800) 878-7829 | Sales@ApolloGateOpeners.com

Table of Contents

Other manuals for Nice 7251

Questions and Answers

  • S
    Shannon CareySep 23, 2025
    What does 'Scanning BluBus - Prs Disp to Cncl' mean on my Nice Gate Opener?
    • J
      Jessica TerrySep 23, 2025
      The message 'Scanning BluBus - Prs Disp to Cncl' appears when the initial BlueBus learn procedure is in process.
  • R
    Robert HerreraAug 23, 2025
    What to do if my Nice 7251 opens but won't close?
    • D
      Derek NelsonAug 25, 2025
      If your Nice Gate Opener opens but refuses to close, consider the following: * Check the input LEDs. If any are ON, this could be holding the gate open, indicating a problem with a keying device. * Inspect the external entrapment devices. Activated devices will prevent the gate from closing, suggesting a possible issue with the device itself. * Examine the loop detectors. Activated loop detectors can also hold the gate open, pointing to a potential problem with the loop detector or ground loop.
  • M
    marquezmichaelAug 25, 2025
    Why does my Nice 7251 open a short distance, then stop and reverse?
    • S
      Stephanie ButlerAug 26, 2025
      If your Nice Gate Opener opens briefly before stopping and reversing, consider these potential causes: * Check the external entrapment sensors on the gate controller. * Adjust the Force Settings.
  • M
    michelle88Aug 27, 2025
    What to do if my Nice Gate Opener goes into hard shutdown?
    • J
      julie00Aug 27, 2025
      If your Nice Gate Opener experiences a hard shutdown (indicated by a blinking LED and a buzzer sounding for 5 minutes), it likely encountered two consecutive obstructions. Here’s what to do: * Clear any obstructions from the gate's path. * Press the RESET button (or the hard reset button) to clear the error.
  • B
    Bryan PrattAug 27, 2025
    Why does my Nice Gate Opener open by itself?
    • W
      williamsdanielleAug 27, 2025
      If your Nice Gate Opener is opening on its own, check the accessory inputs and clear them as necessary.
  • N
    Nancy MillerSep 16, 2025
    What does '1 Open & 1 Cls - Sensor Required' mean on my Nice 7251?
    • J
      Jerry HaleSep 16, 2025
      The message '1 Open & 1 Cls - Sensor Required' on your Nice Gate Opener appears when a Slide Gate operator does not have at least one external entrapment sensor programmed and installed in each direction.
  • E
    elizabeth11Sep 13, 2025
    What does 'Overload' mean on my Nice Gate Opener?
    • S
      sancheznicholasSep 13, 2025
      The 'Overload' message on your Nice Gate Opener indicates that Motor 1 or Motor 2 is experiencing over-current. To resolve this, ensure the motors are connected properly and that there are no obstructions to gate movement.
  • R
    riverakevinSep 14, 2025
    What does 'Slide Requires - Min 2 Sensors' mean on my Nice Gate Opener?
    • A
      anthony50Sep 15, 2025
      The message 'Slide Requires - Min 2 Sensors' on your Nice Gate Opener means that there are not at least two external entrapment sensors programmed and installed on a Slide Gate: one for the open direction and one for the close direction. Ensure all sensors are connected correctly and functional. This does not appear on Swing gates. Install the minimum number of sensors, ensure correct wiring/number of sensors, and redo the learn procedure for the operator.
  • A
    Anthony VincentSep 5, 2025
    What does 'Input UL/Edge' mean on my Nice 7251 Gate Opener?
    • G
      Gregory Booker DDSSep 5, 2025
      The 'Input UL/Edge' message on your Nice Gate Opener means the UL/Edge input is tripped while the gate is running. This appears if the IN1 or IN2 input is tripped when configured as a pulsed, external sensor input. To resolve this: * Ensure photo eyes are aligned. * Make sure edges are not tripped. * Verify all inputs are programmed correctly.
  • J
    Johnny IbarraSep 3, 2025
    What does Static M1 mean on my Nice 7251 Gate Opener?
    • K
      Kimberly SchneiderSep 3, 2025
      Static M1 indicates the actuator connected to Motor 1 has an extended current spike and tripped the Type A sensor. You should check for any obstructions in the gate's path or if there is degraded gate hardware.

Summary

7251; 7351 Slide Gate Operator Overview

1050 Control Board Features

Lists key features of the 1050 control board for gate operators.

Safety and UL325 Usage Classes

UL325 Usage Classes

Defines the four UL325 usage classes for gate operator installations.

Entrapment Protection

Defines entrapment zones and protection requirements per UL325.

Installation Safety

Important!

Emphasizes that gate operator installation is not a DIY project and requires professionals.

7251 - Post-Mount Installation

7251: Install Post-Mount Control Box

Step-by-step guide for mounting the control box on posts for the 7251 model.

7351 - Pad-Mount Installation

7351: Install Pad-Mount Control Box

Instructions for installing the control box on a concrete pad for the 7351 model.

Control Board & Motor Wiring

Mount Battery in Control Box Chassis

Instructions for placing the battery within the operator chassis.

7251 - Wire Motor to Control Board

Wiring instructions for the 7251 model's motor to the control board.

7351 - Wire Motor to Control Board

Wiring instructions for the 7351 model's motor to the control board.

Blue Bus Photo Eye Installation

Determine Bluebus Photo Eye Locations

Guidance on positioning photo eyes for optimal entrapment protection.

Prepare Bluebus Photo Eyes for Install

Steps for configuring jumper settings on BlueBUS photo eyes.

Install & Wire Bluebus Photo Eyes

Procedures for physically installing and wiring BlueBUS photo eyes.

Connect Bluebus Photo Eyes to Board

How to connect the wired photo eyes to the control board.

Power Options and Wiring

120 VAC Electrical Wiring Safety

Adjusting Gate Open;Close Limits

Open Limit Adjust

Adjusting the left or right hand knob to set the open limit.

Close Limit Adjust

Adjusting the knob to set the gate's closed position.

Final Assembly & Programming

Bluebus Photo Eye Status & Troubleshooting

Guide to interpreting photo eye LED status and resolving issues.

Bluebus Photo Eye Alignment

Step-by-step instructions for aligning BlueBUS photo eyes.

Bluebus Photo Eye Testing

Procedure for testing the functionality of installed photo eyes.

Programming and Controls

Control Board Menu Navigation

Explains how to navigate the menus and use the control board buttons.

Force Button Menu

Details settings for gate force sensitivity and obstacle detection.

Speed Button Menu

Configuration options for gate speed, acceleration, and slowdown.

Function Button > Learn

Initiates the gate operator learning process for limits and settings.

Control Board Error Messages & Troubleshooting

Accessory Connections

Output Connectors

Details wiring for output terminals like relays and magnetic locks.

Input Connectors

Explains connections for various input devices like safety loops and sensors.

Maintenance Schedule

System Troubleshooting

Installation Checklist

Warranty

Limited Warranty-Nice-Branded Products

Details the limited warranty terms and conditions for Nice-branded products.

Nice 7251 Specifications

General IconGeneral
BrandNice
Model7251
CategoryGate Opener
LanguageEnglish

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