Description
Fluke 1663 Installation Tester Repair
The Fluke 1663 is a multifunction installation tester – loop impedance, RCD trip timing, continuity, insulation and earth resistance in one instrument, used to certify that a fixed installation is safe. The results go on a certificate, which raises the stakes on accuracy considerably.
The Fluke 1663 is repaired at June Company by technicians who work on this class of instrument daily, for electrical contractors, installation inspectors, testing and certification bodies, and maintenance electricians. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common Fluke 1663 problems we fix
- Insulation test voltage low or absent.
- Test lead compensation not holding zero.
- Output or measurement drifted out of tolerance – corrected and verified against reference standards.
- Battery, charging or power faults.
- Display, keypad or interface faults.
- RCD trip timing inaccurate – the measurement most directly tied to safety certification, and one that fails without any obvious symptom.
- Loop impedance readings drifted.
- Continuity or low-resistance measurement errors.
FAQs
RCD times look plausible but inconsistent. Repairable? Yes. Inconsistent trip timing usually points at the timing circuit rather than the instrument as a whole.
What if it is not economical to repair? We tell you in the quote. The evaluation is free and there is no obligation to proceed.
Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.





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