- 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.
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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.
440R-M23147
This safety relay provides two immediate normally open (NO) outputs and three delayed normally open outputs. It supports a configurable reset option, allowing either automatic or manual monitored rese
Available
440R-M23149
This safety relay features two normally open (N.O.) immediate safety outputs and three delayed safety outputs with a timing range of 1.5 to 30 seconds. It operates at a rated voltage of 115 VAC with r
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440R-M23204
This module supports dual solid-state output ratings of 2x2 A at 24V DC and a single output rating of 50 mA also at 24V DC. It functions effectively in ambient temperatures up to 55 degrees Celsius an
In Stock Ships Today
440R-N23114
This safety relay is designed with an input wiring capability for 1 or 2 channels. It has fixed screw terminals that accommodate wire sizes from 0.2 to 2.5 mm². The relay consumes 4 watts of power and
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440R-N23116
This safety relay supports a frequency range from 50 Hz to 60 Hz and incorporates two safety contacts. Designed for Din-rail mounting, it features both manual and automatic reset options and has a hou
Available
440R-N23119
This safety monitoring relay utilizes power supply voltage of 115 VAC with a consumption of 4 watts. It features dual-channel, normally closed safety inputs and delivers two normally open safety outpu
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440R-N23126
This safety relay features three normally open (N.O.) safety outputs along with one normally closed (N.C.) auxiliary output. The input contacts consist of two N.C. options and support a light curtain.
In Stock Ships Today
440R-N23128
This safety relay supports a maximum operating voltage of 115 V AC and facilitates input contacts comprised of one N.C. contact, two N.C. contacts, and a light curtain interface. Its operational tempe
Available
440R-N23129
This safety relay supports three immediate safety outputs and allows for one auxiliary contact. It functions effectively across a temperature range from -5°C to 55°C and can be stored at temperatures
In Stock Ships Today
440R-N23130
This safety relay incorporates three normally open (N.O.) safety outputs along with one normally closed (N.C.) auxiliary output. It has removable terminals for easy installation and user convenience.
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