Maintenance & Support
Fault Finding & Diagnostics
Electrical fault finding is the work of narrowing an intermittent or unexplained fault down to its actual cause, instead of replacing parts hopefully. We diagnose faults on MV recloser and switchgear installations.
Intermittent faults, unexplained operations and equipment that will not reset are all cases where the symptom is obvious and the cause is not. Diagnosis is the work of narrowing that down systematically rather than replacing parts hopefully.
We diagnose faults on medium-voltage recloser and switchgear installations, including equipment supplied by others.
What fault finding covers
- Symptom characterisation and history gathering
- Interrogation of device fault and event records
- Systematic isolation of the fault to a subsystem
- Electrical testing to confirm or eliminate suspected causes
- Control, auxiliary supply and communications diagnosis
- Corrective action and verification that the fault is resolved
What matters in practice
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Intermittent faults need evidence
A fault that is not present when you arrive can only be diagnosed from records. This is where a device that logs events earns its cost.
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Eliminate, do not guess
Replacing components until the symptom disappears is expensive and frequently leaves the real cause in place.
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Auxiliary supply is a common cause
Control problems that look like equipment failure often turn out to be supply or battery problems.
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Verified resolved
The fault is confirmed cleared before we leave, rather than assumed cleared because the symptom stopped.
Related services
Have equipment misbehaving?
Tell us what you need and where the site is, and we will scope the work and quote it.