VFD phase-loss diagnostic in Rancho Cucamonga

Project details

Service

Pump Service

Area

Rancho Cucamonga

Date

July 9, 2026

Job details

Service type

Pump Service

Town

Rancho Cucamonga

Shop

Anza shop, 57174 CA-371, Anza, CA 92539

Equipment and specs

The job note does not name equipment or specs.

Related: Rancho Cucamonga well service. Well pump repair in Rancho Cucamonga. pump repair.

What we did

Diagnosed a new variable-frequency drive that showed a phase-loss fault. Motor leads megged clean; the drive runs in hand after parameter setup.