- 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
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Allen Bradley PLC 3 Repair
We offer extensive repairs for your PLC 3. We keep many spare parts in stock so that we can repair your PLC 3 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 PLC 3 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!
- 2 Year DO Supply Warranty
- Fast repairs at low costs
- No surprises or up-charges for difficult repairs
- Standard lead time of 2-4 weeks
- Extensive quality control and testing
Get a repair quote
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's
warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Hardware issues & error codes we repair
We repair all of the following hardware issues and error codes with your PLC 3 parts.
- 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
- DF1, DH-485, DH+, Profibus, Remote I/ (RIO) failures and more!
- Intermittent communication
- Solid RED/Blinkging RED communication lights
- Devicenet, Ethernet, ControlNet, RS232 ports.
- Missing CJC Jumpers
- Incorrect readings
- Failed inputs
- Dead power supplies
- Incorrect voltage
- Broken Plastic
- Poor Connections
- Bad Slots
Browse PLC 3 Repairs
Browse our catalog of repairable PLC 3 parts to get a quote.
1775SRS
This communication module features four channels, providing flexibility for extensive communication setups. It operates within a temperature range from 0°C to 60°C and has a humidity tolerance of 5% t
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1779-KFL
This interface operates on a voltage rating of 115/230 volts AC and functions at a frequency of 50/60 hertz. The device includes important features such as a RESET switch on the front panel for easy m
In Stock Ships Today
1779-KFM
This device supports an operating temperature range of 0 to 60 degrees Celsius and a frequency range of 47 to 63 Hertz. Featuring dual data highway channels and a host interface port, it utilizes fron
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1779-KP2
The 1779-KP2 communication interface module is part of the Bulletin 1779 product line and it is used with the PLC-2 controllers. The unit is produced by Allen-Bradley/Rockwell Automation and it provid
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1779-KP3
This communication interface is equipped with 2 coaxial ports and operates using coaxial cabling. The mode of communication is peer-to-peer with token passing, and the device has an open style enclosu
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1779-KP3R
This communication interface is designed to operate within a temperature range of 0 to 60 degrees Celsius, supporting Data Highway II (DHII) protocol. It features two coaxial cable ports with BNC conn
Available
1779-KP5
The 1779-KP5 interface module is designed by Allen-Bradley and it is part of the Bulletin 1779 product line. This module provides an interface between the Data Highway II network and one or more Data
In Stock Ships Today
1779-KP5R
This module supports an input voltage of 115/230 Volts AC with corresponding input currents of 1.5 A and 0.75 A, respectively. Power consumption is rated at 50 watts with a frequency range of 47 to 63
Available
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