- 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 1774 PLCs and Modules Repair
We offer extensive repairs for your 1774 PLCs and Modules. We keep many spare parts in stock so that we can repair your 1774 PLCs and Modules as efficiently and effectively as possible. Our standard repair lead time is 3-5 days. However, we can often repair your unit much faster if necessary. We can repair most issues 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 1774 PLCs and Modules 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 1774 PLCs and Modules Repairs
Browse our catalog of repairable 1774 PLCs and Modules parts to get a quote.
1774-SD
Designed to accommodate both rack and panel mounting options, this module operates effectively from 0°C to 60°C and can be stored in conditions from -40°C to 85°C. It also supports a relative humidity
In Stock Ships Today
1774-SL
This module provides support for several operating modes, including slave and change-of-state. It features essential indicators for module status and network status, with both indicated by LED lights.
Available
1774-SR
The 1774-SR remote I/O half scanner module by Allen-Bradley is part of the Bulletin 1774 (Series B) product line. The module is compatible with the SLC 500 systems and it has a maximum current of 0.9
In Stock Ships Today
1774-TB2
This open-style module is equipped with two status LEDs for operational feedback. It can function within a temperature range from 0 °C to 50 °C and is designed for storage between -40 °C and 65 °C. Wi
Available
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