1786 Repeaters Repair

Allen Bradley PLC 1786 Repeaters
One Year DO Supply WarrantyOne Year DO Supply Warranty 
'Fast RepairsFast repairs at low costs

We offer extensive repairs for your 1786 Repeaters. We keep many spare parts in stock so that we can repair your 1786 Repeaters as efficiently and effectively as possible. Our standard repair lead time is 2-4 weeks. However, we can often repair your unit much faster if necessary. We can repair most issues with your 1786 Repeaters and if for some reason we cannot repair your unit we will do our best to offer a refurbished unit at the repair cost, so that you can get a working unit back as soon as possible!

Repair Details

We can repair hardware issues and error codes with your 1786 Repeaters such as:

  • Processors
    • Bad communication ports
    • Broken selector/key switches
    • Dead batteries/Bad Battery connections
    • Solid or Blinking RED OK Status Light
    • Solid or Blinking RED RUN Status Light
    • Solid or Blinking RED Fault Status Light
  • I/O Modules 
    • Bad analog inputs or ouptus
    • Bad digital input or outputs
    • Bad relays (stuck on/off)
    • Incorrect voltages on inputs or outputs
    • Incorrect current on inputs or outputs
  • Communication Modules​​​​​​​
    • DF1, DH-485, DH+, Profibus, Remote I/ (RIO) failures and more!
    • Intermittent communication 
    • Solid RED/Blinkging RED communication lights
    • Devicenet, Ethernet, ControlNet, RS232 ports. 
  • Thermocouple Modules/RTD Modules
    • Missing CJC Jumpers
    • Incorrect readings
  • High Speed Counters
    • ​​​​​​​Failed inputs
  • Power Supplies​​​​​​​
    • Dead power supplies
    • Incorrect voltage
  • Chassis/Racks
    • ​​​​​​​Broken Plastic
    • Poor Connections
    • Bad Slots

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The 1786 repeaters series is a series of ControlNet modular repeater adapters by Allen-Bradley. These repeater adapters are made to help create a star or ring topology, execute the conversion of network media from copper to fiber, create a point-to-point topology, or extend the length of a network, and the reverse is also true. The maximum number of repeater adapters allowed on a series is 20. The 1786-RPA/B ControlNet repeater adapter module from the 1786 repeaters series operates on 24 Volts input power and it comes with a detachable power supply. The 1786 ControlNet modular repeaters adapt to create ControlNet network repeaters. From the Allen-Bradley 1786 Repeaters series, the 1786-RPA/B repeater adapter is compatible with several modules, thus helping to create the ControlNet network repeater, for instance, the medium-distance 1786-RPFM repeater fiber modules, short-distance 1786-RPFS repeater fiber modules, dual-copper 1786-RPCD repeater module, or the fiber-ring 1786-RPFRXL repeater modules.


The 1786-RPA/B repeaters from the Allen-Bradley 1786 repeaters series works with the 1786-RPFS or the 1786-RPCD repeater modules, allowing the users to attach as many as 4 repeaters to the repeater adapter as desired. However, when it is used with 1786-RPFRXL and 1786-RPFRL repeater modules, only 2 repeaters can be attached to the repeater adapters. The 1786 repeaters provide digital re-timing of the ControlNet network data, 1 coaxial channel, and the power to the repeater modules along with status indicators. When the adapters ship, they come with items such as 1 detachable terminal block or repeater adapter power connector, 1 DIN rail locks, and one 75 ohms terminator that helps with the termination of the unused ports.

Part Number Description Price Action
1786-RPA1786 Repeaters Repair Service$659cartAdd To Cart
1786-RPCD1786 Repeaters Repair Service$403cartAdd To Cart
1786-RPFM1786 Repeaters Repair Service$263cartAdd To Cart
1786-RPFRL1786 Repeaters Repair Service$1545cartAdd To Cart
1786-RPFRXL1786 Repeaters Repair ServiceAskRequest A Quote
1786-RPFS1786 Repeaters Repair ServiceAskRequest A Quote
1786-RPT1786 Repeaters Repair ServiceAskRequest A Quote
1786-RPTD1786 Repeaters Repair ServiceAskRequest A Quote
Part Number Description Price Action
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