- 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.
440G-S36001
This guardlock switch has a thermal current rating of 10 amps and an impressive mechanical lifespan of 1,000,000 operations. Constructed from plastic, the module also supports an insulation voltage of
Call
440G-S36002
This model operates at a rated current of 5A and utilizes a 24 V DC coil voltage. Featuring a mechanical contact type, the switch is compliant with standards such as ISO 14119, UL, and CE. It comes in
Call
440G-S36007
This switch is equipped with a standard fixed tongue actuator for operational functionality. It can exert a holding force of up to 1,200 N. With an IP67 rating, the housing ensures effective protectio
Available
440G-T21BGPL-1B
Featuring two normally closed safety contacts, this switch includes one normally open auxiliary contact and a solenoid configuration of 1 N.C. and 1 N.O. Rated with an IP67, it is suitable for harsh e
Call
440G-T21BGPM-1B
This locking switch is equipped with two normally closed (N.C.) safety contacts, one normally open (N.O.) auxiliary contact, and solenoid contacts comprising one N.C. and one N.O. The device holds a f
Call
440G-T21BNPT-1B
This guard locking switch includes a break-before-make contact type and contains 2 normally closed safety contacts along with 1 normally open auxiliary contact. It is constructed from plastic and has
In Stock Ships Today
440G-T27121
Designed for robust environments, this switch features an IP67 rating, ensuring protection against dust and immersion in water. It includes one normally open (NO) and one normally closed (NC) safety c
In Stock Ships Today
440G-T27127
This Guardlock Switch operates at 24VAC/DC and features two N.C. safety contacts and one N.O. auxiliary contact. The holding force is rated at 2000 N, and the unit has a mechanical life expectancy of
In Stock Ships Today
440G-T27132
This guard locking switch has a combination of 2 normally closed (NC) safety contacts and 1 normally open (NO) auxiliary contact. Delivering a solenoid supply of 110V AC/DC, it achieves a power consum
Available
440G-T27134
This interlock switch comes equipped with 2 normally closed safety contacts and 1 normally open auxiliary contact. The maximum holding force is 2000 N, supported by a power-to-release locking mechanis
In Stock Ships Today
Showing 21-30 of
194
results