Service & Repair of Fujikura FSM-40PM Fusion Splicer

Fujikura FSM-100P, FSM-40PM, FSM-45PM & FSM-20PM Fusion Splicer – Expert Repair, Precision Alignment & Full Calibration

We offer professional repair, calibration, and alignment services for the Fujikura FSM-100P, FSM-40PM, FSM-45PM, and FSM-20PM Fusion Splicers—specialized tools designed for high-precision splicing of polarization-maintaining (PM) and specialty optical fibers. These splicers are widely used in fiber optic sensing, research labs, defense applications, and photonics manufacturing, where accuracy and core alignment are critical. Whether your splicer is failing to align fibers, producing high splice loss, or displaying arc errors, our team is equipped to restore it to full working condition with certified calibration and OEM-level accuracy.

Our Repair & Calibration Process

Comprehensive Diagnostics & Testing
Each Fujikura splicer is fully tested to assess:

• X/Y/Z axis fiber positioning and alignment accuracy

• Arc discharge stability and repeatability

• Splice loss estimation and fiber core detection

• Rotational alignment for PM fiber splicing

• V-groove cleanliness, fiber clamp performance, and lens clarity

• Display, keypad, and system boot-up functions

• Battery condition and heater functionality (if applicable)

We use single-mode, polarization-maintaining (PM), and specialty fibers to test under realistic conditions, replicating splicing challenges in lab and production environments.

Common Problems We Repair

• Inaccurate core alignment or rotation angle for PM fibers

• High splice loss or unstable arc discharge

• Worn or misaligned electrodes

• Faulty X, Y, Z motors or sluggish fiber movement

• Rotational axis (theta) malfunction or miscalibration

• Boot-up errors, firmware freezes, or arc calibration failures

• Damaged fiber clamps or V-grooves

• Touchscreen or LCD display failure

• Battery or charging system malfunction

Precision Mechanical Repair & Realignment
We service all mechanical and optical components, including:

• Electrode cleaning or replacement

• Cleaning and adjustment of V-grooves and fiber holders

• Recalibration of X, Y, Z, and theta axes

• Optical system cleaning for lenses and cameras

Motor Testing & Axis Calibration
All motorized stages (X/Y/Z/θ) are tested for range, precision, and consistency. We perform recalibration using live fiber feedback and factory-style alignment procedures to ensure ultra-low splice loss and correct core orientation.

User Interface & Display Repair
We repair or replace failing touchscreens, LCDs, and control keypads. Full system testing ensures seamless operation across menus, splice modes, and test procedures.

Firmware Validation & Functional Checks
After mechanical and electronic repairs, we run:

• Arc calibration using factory protocols

• Real splice tests on PM and SM fibers

• Auto-check routines for motor travel and loss estimation

• Software/firmware version checks and updates (if applicable)

NIST-Traceable Calibration
Post-repair, we perform a complete NIST-traceable calibration, including:

• Arc power tuning and test splices

• X/Y/Z/theta axis accuracy verification

• Splice loss and rotational alignment repeatability tests

• Full calibration report with before/after data

Why Technicians Trust Us

• Extensive experience with Fujikura core-alignment and PM splicers

• In-depth knowledge of advanced fusion systems like FSM-100P and FSM-45PM

• Fast turnaround time – typically 3–5 business days

• High repair success rate, even with legacy models like FSM-20PM

• All repairs backed by a warranty and 15-day Right of Return

• Secure worldwide shipping and professional packaging

• Payment options: PayPal, credit card, ACH, or wire transfer

Ideal for:

• Labs and manufacturers using PM fibers for sensing or photonics systems

• Telecom providers and integrators using FSM-100P or FSM-45PM in field or lab

• Research teams needing restoration of discontinued Fujikura models

• Resellers seeking certified splicers for resale or fleet redeployment

Restore Precision to Your Fujikura FSM Series Splicer

If your Fujikura FSM-100P, FSM-40PM, FSM-45PM, or FSM-20PM Fusion Splicer is not aligning properly, producing inconsistent results, or failing internal checks, we can help. With advanced diagnostics, OEM-grade calibration techniques, and full testing on specialty fibers, we ensure your splicer is restored to high-performance, production-ready condition.

Request a quote today to begin service and calibration for your Fujikura fusion splicer.