- 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-N23131
This safety relay supports a maximum power consumption of 2 W and is designed for both automatic and manual reset operations. It includes one normally closed immediate auxiliary output, while its cont
In Stock Ships Today
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
Available
440R-P226AGS-NNR
This safety relay accommodates four safety inputs and provides two solid-state PNP OSSD outputs for reliable operation. It also includes two auxiliary outputs that can be configured for non-safety pur
In Stock Ships Today
440R-P23069
This safety relay includes two normally open (N.O.) safety outputs and one normally closed (N.C.) auxiliary output contact for enhanced functionality. Mounting is facilitated on a 35 mm DIN rail, with
In Stock Ships Today
440R-S07139
This stop motion control unit features a compact enclosure size of 45 mm and is equipped with two normally-open outputs and one normally-closed output. Operating within a temperature range of 0 to 40
Available
440R-S07140
Designed for reliability, this safety relay includes an output contact configuration of 2 normally-open (N.O.) contacts and 1 normally-closed (N.C.) contact. The relay also offers 1 N.C and 2 N.O auxi
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440R-S12R2
This model includes two normally open safety outputs and one normally closed solid-state auxiliary output. It supports a single wire safety output or OSSD rated at 50 mA. The reset mechanism can be se
In Stock Ships Today
440R-S13R2
This monitoring safety relay belongs to the Guardmaster Safety Relays series. The 440R-S13R2 is DIN rail mountable and incorporates a dual-channel universal input. It supports legacy-compatible inputs
In Stock Ships Today
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