- 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-M23088
This safety relay has a power rating of 120 watts and can deliver an output current of 5.0 amperes. It includes two safety outputs and features an automatic or manual reset type. The device is operati
In Stock Ships Today
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-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
In Stock Ships Today
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
In Stock Ships Today
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
Available
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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440R-N23132
Designed for critical safety applications, this safety relay features three normally open contacts and one normally closed contact, delivering reliable switching capabilities. It operates effectively
In Stock Ships Today
440R-N23135
This relay operates with a rated voltage of 24 V for both AC and DC applications. The device includes three immediate safety outputs (normally open) and one auxiliary output (normally closed). It feat
In Stock Ships Today
440R-P221AGS
This safety relay operates at a power consumption of 2.4 W and supports a current rating of 400 mA. Constructed with a durable polyamide housing, the device is mounted on a DIN-rail and has an IP20 ra
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