- 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 Guardmaster Safety Relays Repair
We offer extensive repairs for your Guardmaster Safety Relays. We keep many spare parts in stock so that we can repair your Guardmaster Safety Relays 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.
Learn more
Hardware issues & error codes we repair
We repair all of the following hardware issues and error codes with your Guardmaster Safety Relays 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 Guardmaster Safety Relays Repairs
Browse our catalog of repairable Guardmaster Safety Relays parts to get a quote.
802C-H55M6B-S7
This model accommodates normally-open and normally-closed contact types, making it adaptable for various applications. It requires #14 AWG wire and can be mounted using screws. The environmental param
In Stock Ships Today
802C-H58M6B
Designed as a cable-pull actuated switch, this unit features a maximum cable free span of 5 meters. It utilizes 14 AWG wire terminals suitable for smaller wire types and is rated for operation in envi
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802C-J57M17B
This safety switch features a cable pull actuation type and is built from industrial plastic for durability. It has a response time of 50 ms and can withstand up to 10,000 electrical life cycles. The
In Stock Ships Today
802C-NL0722E
This cable-pull switch includes a contact configuration with 2 normally closed (N.C.) and 2 normally open (N.O.) contacts for versatile integration. It is housed in a sturdy aluminum casing with an IP
In Stock Ships Today
GD2-FRS21DC
This safety switch features an IP68 enclosure rating, providing excellent protection against dust and water. It has a temperature operational range of -25 to 100 degrees Celsius, ensuring reliability
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MSR121RT
This safety monitoring relay provides a rated current capacity of 6.0 A for both AC and DC operations. It features three normally-open (NO) outputs, ensuring reliable performance across a range of saf
Available
MSR138.1DP
This safety relay is designed with a maximum input resistance of 135 ohms and operates effectively within an enclosure rated IP40. Its contact material is silver tin oxide, and it functions at frequen
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TLSZR-GD2
This safety interlock switch features a single pole setup and operates on a normally closed (NC) contact type. It maintains compliance with ISO/IEC safety standards and offers a mechanical life rated
Available
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