Technician performs VFD replacement on obsolete drive to restore production quickly
,

VFD Replacement Guide: Handling Obsolete Drives & Lead Times

Estimated reading time: 6 minutes Variable frequency drives (VFDs) power fans, pumps, conveyors and mixers across North America. When one trips, production stops and down time costs rise minute by minute. Most maintenance teams simply order…
Technician scrolling a VFD programming menu on an ABB keypad
,

VFD Programming Guide: Faster Setup, Fewer Faults

Variable frequency drives (VFDs) save enormous energy and deliver precise motor speed, yet many technicians still groan when they see a flashing cursor on a drive keypad. The root cause is almost always VFD programming because it is the art of translating real‑world requirements into hundreds of device‑specific parameters. Our latest cross‑brand study shows the wrong interface or manual can add hours of downtime and thousands in lost production. Consequently, this mobile‑friendly guide distills that whitepaper into clear actions you can take today.
Technician inspecting VFD control wiring
,

VFD Won’t Start? Fix Control Wiring Errors Fast

Estimated reading time: 6 minutes Understanding Why Your VFD Won’t Start Nothing frustrates a maintenance crew faster than pressing the start button and watching the motor sit idle. If your VFD won’t start, the culprit is usually…
Motor and VFD setup for autotune
,

VFD Auto tune: Setup, Troubleshooting & Best Practices

Estimated reading time: 11 minutes Variable Frequency Drives (VFDs) are widely used to control motor speed and torque in industrial and commercial applications. However, to get the best performance from a VFD, you must take advantage of…
Close-up of a Class A GFCI outlet with test and reset buttons
,

VFD Tripping GFCI Breaker: Lenze Drive Solutions & Fixes

Estimated reading time: 12 minutes Have you ever dealt with your VFD tripping a GFCI breaker unexpectedly? If so, you’re not alone. Variable frequency drives (VFDs) often trip GFCI devices, especially in wet areas or where codes mandate…
Smoke rising from a failed VFD with burn marks on internal components
,

VFD Hardware Failure: Diagnosis and Replacement Guide

Estimated reading time: 9 minutes When a variable frequency drive (VFD) suffers a catastrophic hardware failure, it usually gives unmistakable warning signs. The user might hear a loud pop or bang. They might also see smoke or scorch marks.…
VFD screen indicating a Ground Fault alarm
,

VFD Ground Fault & Short-Circuit Trips: Causes & Solutions

Estimated reading time: 11 minutes Ground fault and short-circuit trips in VFDs are common but often confusing events for drive users. In a VFD, these faults appear suddenly and can stop the motor immediately. This often leaves operators…
Technician verifying VFD parameter settings for motor current and overload
,

VFD Overcurrent Fault & Motor Overload – Causes & Fixes

Estimated reading time: 19 minutes Variable Frequency Drives (VFDs) are essential for controlling motor speed and protecting equipment in industrial applications. However, VFD overcurrent faults and motor overload trips are common issues…
Simplified DC-bus diagram showing rectifier, capacitors, and inverter stages of a VFD
,

VFD Overvoltage Faults During Deceleration: Causes & Fixes

Estimated reading time: 13 minutes Variable Frequency Drives (VFDs) are essential for controlling motor speed in industrial and commercial applications. However, VFD overvoltage faults are a common issue that often occurs when a motor is…
“Close-up of a large industrial cooling fan—proper airflow prevents VFD overheating”
,

VFD Overheating & Cooling System Failures: Causes and Fixes

Estimated reading time: 13 minutes Variable Frequency Drives (VFDs) are vital for controlling motor speed and efficiency in industrial applications. However, VFD overheating is a common problem that can trigger fault alarms and even lead…
“Close-up of a large industrial cooling fan—proper airflow prevents VFD overheating”
“Close-up of a large industrial cooling fan—proper airflow prevents VFD overheating”