FaultFinder

On-site electrical fault diagnosis for electricians. Step-by-step troubleshooting for RCDs, MCBs, heating controls, and more.

FREE FEATURES:
• 10 core diagnostic flows — RCD/RCBO tripping, MCB tripping, no power, lighting faults, socket faults, intermittent faults, earth faults, neutral faults, two-way switching, nuisance tripping

PRO UPGRADE (one-time purchase):
• Testing Faults — 10 flows for abnormal test results
• Panel & Control Faults — contactors, CTUs, hold circuits, backfeed
• Heating Controls — 14 flows for programmers, stats, zone valves, wiring centres
• Readings Checker — instant pass/fail for Zs, IR, RCD trip, and Ze values against IS 10101 / BS 7671 tables

BUILT FOR THE FIELD:
• Works fully offline — no internet required
• Dark UI designed for site use
• Supports Ireland (IS 10101) and UK (BS 7671) standards • No account, no sign-up, no data collection