- 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.
440L-R4JL440YD
This receiver boasts a maximum protective height of 1440 mm and supports a 14 mm resolution. It is rated IP65 for dust and water protection. Designed to operate efficiently in ambient temperatures fro
In Stock Ships Today
440L-T4D1200-N
Operating at a rated voltage of 24 V DC, this Type 4 safety device is capable of maximum scanning up to 6 meters. With a power rating of 6 W, the unit features an IP65 protection rating, making it sui
In Stock Ships Today
440N-A32114
This actuator boasts a rectangular body style with a robust red thermoplastic housing. It operates on a switching voltage of 24 VDC and can manage a switching current up to 200 mA. With an IP69 rating
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440N-C02067
This safety switch has a rated current of 1.0 A and a cable length of 3 meters. With an IP67 rating, it offers protection against dust and water ingress. The housing is made from plastic, and it can f
In Stock Ships Today
440N-C02068
This unit supports up to six Ferrocode switches and features a two-channel safety system. It is mounted on a DIN rail and constructed from durable polycarbonate, ensuring resilience in demanding envir
In Stock Ships Today
440N-G02055
Operating at a rated voltage of 250 V AC, this switch supports a rated current of 2.0 A. The unit features an IP67 rating for dust and water resistance and has a sensing distance of 12 mm. Its pre-wir
In Stock Ships Today
440N-G02094
This non-contact safety switch is equipped with a single NC safety contact and one NO auxiliary contact. It features a rectangular housing made of plastic, rated IP67 for dust and water resistance, an
Available
440N-G02097
With an IP67 rating, this non-contact safety switch is suitable for various environments. It accepts a rated current of 2.0 A and is constructed from durable plastic. This model operates effectively i
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440N-G02117
This device is equipped with a stainless steel housing, ensuring durability in various environments. The relay operates with a switching current of 2A and can handle a switching distance of 12 mm. It
Available
440N-G02119
This control unit is designed for DIN-rail mounting and has a width of 45 mm, while its size for mounting is 35 mm. The housing is composed of plastic and has a protection rating of IP20, accommodatin
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