West-On Controls | Electrical Diagnostics & Control Solutions
Safety First: Always follow NFPA 70E standards and ensure lock-out/tag-out (LOTO) prior to inspection.
Serving the Greater San Francisco East Bay Area
W⚡O
WEST-ON CONTROLS Diagnostic & Electrical Solutions
Precision Control Systems & Electrical Triage

System-Level Diagnostics.
Zero Unnecessary Downtime.

Targeted electrical troubleshooting, control panel triage, and preventive maintenance for commercial and industrial facilities. We diagnose root causes across motor circuits, 24V control logic, and power distribution systems.

NFPA 70E
Electrical Safety Standards
Cal/OSHA & NEC
Code Compliance Assured
Low-Ω Precision
High-Accuracy Milliohm Metering
Fast Isolation
Systematic Fault Isolation
Technical Capabilities

Specialized Electrical & Control Services

From intermittent control faults to facility power distribution integrity, we bring systematic diagnostic discipline to every project.

Control Panel Troubleshooting

Isolate circuit bottlenecks, power supply drops, blown control fuses, and relay logic faults across 24VDC and 120VAC automation panels.

  • ✓ 24VDC / 120VAC Control Loops
  • ✓ Interposing Relay Diagnostics
  • ✓ Wire Verification & Terminal Retightening

Motor Controls & VFDs

Diagnose variable frequency drive fault codes, overcurrent alarms, ground faults, motor winding insulation resistance, and contactor wear.

  • ✓ Parameter Audit & Fault Clears
  • ✓ Megohmmeter Motor Testing
  • ✓ Starter & Contactor Replacement

Power Quality & Infrastructure

Low-resistance bonding measurements, breaker trip investigation, phase imbalance checks, and thermal hotspot assessments on main distribution panels.

  • ✓ Precision Milliohm Metering
  • ✓ AFCI / GFCI / Overcurrent Triage
  • ✓ De-energized Mechanical Inspections
Self-Guided Assessment

Interactive Electrical Triage Wizard

Pinpoint electrical control symptoms, review immediate safety alerts, and generate a structured dispatch summary.

Step 1: System Classification 1 of 4

What type of electrical system or equipment is experiencing an issue?

Methodology & Safety

Rigorous Standards. Calibrated Equipment.

Electrical troubleshooting requires more than guesswork. We rely on methodical point-to-point isolation, calibrated Fluke diagnostic instrumentation, and strict adherence to workplace electrical safety standards.

01

California Certified General Electrician Standards

Full adherence to California Title 24, National Electrical Code (NEC), and local municipal building requirements.

02

NFPA 70E Workplace Safety Compliance

Arc flash boundary assessment, appropriate PPE category utilization, and established Lock-Out / Tag-Out verification.

03

Precision Instrumentation

High-accuracy low-resistance milliohm measurements, insulation resistance testers, and true-RMS power quality meters.

// Diagnostic Discipline

The Systematic Isolation Flow

Phase A: Verify supply voltage stability and phase balance across line-side inputs.
Phase B: Trace control transformer outputs & DC bus ripple to isolate internal regulation collapse.
Phase C: Check mechanical termination integrity and contact resistance under de-energized conditions.
Phase D: Document fault codes, root-cause parameters, and verify safe restart parameters.
W⚡O WEST-ON CONTROLS

Specialized control systems diagnostics, electrical fault isolation, and infrastructure reliability.

Domain: westoncontrols.com • East Bay, California

Notice & Safety

All diagnostic evaluations require confirmation by certified personnel. Do not attempt live electrical measurements without required PPE and qualifications.

© 2026 West-On Controls. All rights reserved.
Designed for reliability & rapid triage.