- 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
Free UPS Ground on All Orders!
+1 (919) 205-4392
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.
440R-E23159
This safety relay features four normally open safety outputs (4 N.O.) and two normally closed auxiliary outputs (2 N.C.). It has a fixed time delay of 0.5 seconds and withstands impulse voltages up to
Call
440R-E23191
This expansion module supports both 24 V AC and 24 V DC inputs with a rated voltage. It features four normally open safety-related outputs and two normally closed auxiliary outputs. The enclosure has
In Stock Ships Today
440R-EM4R2
This expansion module serves as an EM safety relay with a maximum working temperature range of -5 to +55°C. With a power consumption of 3.5 watts, it maintains functionality in humid environments, sup
In Stock Ships Today
440R-EM4R2D
This safety relay has a terminal screw torque rating of 0.4 Nm. It is made from polyamide PA 6.6, ensuring durability. With terminal protection rated at IP20 and enclosure protection at IP40, it opera
In Stock Ships Today
440R-ENETR
This network interface provides two ports for connection and uses RJ-45 cables compliant with Category 5 standards. The IP20 protection rating indicates its design is suitable for environments where d
In Stock Ships Today
440R-G23110
This safety relay is designed to function within a DC voltage range of 24 volts and can also operate on AC voltage of the same level. It features five normally open (N.O.) safety outputs and one norma
In Stock Ships Today
440R-G23215
This safety relay features a single normally closed (N.C.) input and two normally open (N.O.) safety inputs. Additionally, it provides a total of seven normally open safety outputs and four normally c
Call
440R-G23216
This safety relay operates on a supply voltage of 24 VAC/DC and has a contact current rating of 3A. It features both monitored manual reset and auto/manual reset options. With a response time of 15 mi
In Stock Ships Tomorrow
440R-GL2S2T
This safety relay accepts wire sizes between 24 to 14 AWG and has a low power consumption of only 2 W. With an IP40 protection rating and NEMA 1 enclosure classification, it is built for reliability i
In Stock Ships Tomorrow
440R-H23176
This safety relay supports a supply voltage of 24 VDC with a power consumption of 8 watts. It includes two safety inputs and two safety outputs, along with one normally closed auxiliary contact, desig
In Stock Ships Today
Showing 111-120 of
194
results