Description
Fluke 1664 FC Multifunction Installation Tester Repair
The Fluke 1664 FC 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.
Is your Fluke 1664 FC worth repairing?
High replacement cost and results that go on certificates, which makes accuracy worth paying to restore. RCD timing and loop impedance drift are both correctable. Our answer for the Fluke 1664 FC: Repair. Certification work depends on this being right. We evaluate free of charge and quote before any work begins, and if the numbers do not favour repair we say so rather than quoting anyway.
What typically fails on the Fluke 1664 FC
- RCD trip timing inaccurate – tied directly to safety certification and failing without obvious symptom.
- Loop impedance readings drifted.
- Insulation test voltage low.
- Test lead compensation not holding zero.
- Continuity measurement errors.
- Display and battery faults.
What you get back
Component-level repair rather than assembly swapping, verification against reference standards with the measured results documented, and a 90-day parts-and-labor warranty. Most instruments are back with you inside 5-10 business days.
Fluke Service Center works on Fluke instruments only. Send it in for a free evaluation, or email us with the model and the symptom and we will tell you what to expect before you ship anything.






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