Beamex MC6 Multifunction Calibrator - Oil & Gas, Vadodara
Fault Analysis
The Problem
ERR_BATT_IMBALANCE error code displayed on LCD during operation below 25% state-of-charge
Cell-3 voltage sagging to 2.1V while sister cells remained at 3.2V nominal (800mV imbalance)
Automatic power-down at 25% remaining charge instead of normal 5% threshold
Leakage current 340mA measured on Cell-3 under no-load DC conditions
Repeated charge-discharge cycles failed to rebalance pack via firmware-only intervention
Money Saved
Cost Savings Breakdown
What this customer saved by repairing instead of buying new
* Govt. taxes extra as applicable · Shipping charges extra as applicable on the repair quote.
This Repair's Journey
From Inquiry to Delivery
Completed in 115 hours
Inquiry Received
Equipment details logged, initial assessment scheduled
Diagnosis & Evaluation
Component-level fault analysis with detailed report
Repair Work
Expert component-level repair using OEM-grade parts
Testing & QC
Full-load testing under operating conditions, QA sign-off
Delivery & Warranty
Dispatched with test report and 6-month warranty
Inquiry Received
Equipment details logged, initial assessment scheduled
Diagnosis & Evaluation
Component-level fault analysis with detailed report
Repair Work
Expert component-level repair using OEM-grade parts
Testing & QC
Full-load testing under operating conditions, QA sign-off
Delivery & Warranty
Dispatched with test report and 6-month warranty
Technical Details
Our Repair Approach
Battery Pack Disassembly & Cell Interrogation
Opened BL500 lithium-ion pack and measured individual cell voltages with 4-digit precision multimeter, confirming Cell-3 voltage at 2.1V and leakage current at 340mA versus <5mA specification.
Root-Cause Physical Inspection
Visually inspected Cell-3 for dendrite formation, electrolyte decomposition, and separator damage; identified manufacturing date 2019 indicating age-related capacity fade and internal resistance spike.
Faulty Cell Replacement
Desoldered defective Sanyo NCR18650 cell (3400mAh, 10A rating) and installed OEM-equivalent Panasonic NCR18650B rated 3400mAh with matched discharge curve per Beamex parts specification BEA-BL500-v2.1.
Battery Management System (BMS) Voltage Re-balancing
Connected pack to Beamex proprietary BMS calibration dock via USB and executed cell-matching firmware protocol, achieving voltage equilibrium across all four cells to within 50mV tolerance.
Controlled Charge-Discharge Validation
Subjected repaired pack to 8-hour full-cycle bench test under 23±2°C temperature control with continuous monitoring of cell voltages, confirming BMS threshold recovery and zero dropout events.
Metrological Recalibration & Compliance Test
Executed full ISO 17025-traceable calibration of MC6 measurement channels (voltage ±0.05%, current ±0.04%, temperature ±0.3°C) and 50-sequence 4-20mA transmitter simulation to validate field-readiness.
Mission Accomplished
The Result
The repaired Beamex MC6 was air-couriered back to the client within 115 hours, resuming offshore platform transmitter calibration on Day-5 and enabling completion of the 180-unit validation program on schedule. The repair cost INR 110,000 versus OEM replacement cost of INR 420,000, delivering INR 310,000 in direct savings (75% cost reduction) and eliminating 6-week procurement lead-time risk.
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