Part
5
Maintenance
Mechanical Inspection
Relay Assembly
Inspect the relay for obvious signs of damage or ingress of moisture or other contamination.
Terminal Base
Isolate the relay; remove the retention screws & un-plug the 1S20 module from the terminal base.
Care must be taken to avoid subjecting the relay element to static discharge which may damage or
degrade sensitive electronic components.
Inspect the relay module for signs of any overheating or burn marks which may have been caused by
overvoltage surge or transient conditions on the power supply, output contacts or arc sensor inputs.
Relay Case
Inspect the terminal base gold contact terminals checking insulation integrity & tightness to the 1S20
module.
Inspect inside the terminal base and use a blower to remove dust.
Inspect the 1S20 gold terminals for worn, distorted or tarnished contacts and if necessary clean the
contacts using a brush dipped in a suitable substance.
Terminal Block
Module plug in gold plated terminals
Visit
www.rmspl.com.au
for the latest product information.
Due to RMS continuous product improvement policy this information is subject to change without notice. User_Guide-5/Iss D/29/01/08
