Pump Troubleshooting & Solutions
Leveraging 30+ years of manufacturing excellence, Chaodun provides expert pump troubleshooting, noise diagnostics, and maintenance support to keep your operations running smoothly.
Troubleshooting Guides

CDBK Variable Frequency Water Supply Control Cabinet
Complete guide to CDBK variable frequency water supply control cabinets. Features PID pressure control, automatic pump rotation, sleep mode, and comprehensive motor protection.

CDLF Vertical Multistage Stainless Steel Centrifugal Pump
Complete guide to CDLF light-duty stainless steel vertical multistage pumps. Features SS304/SS316 corrosion resistance, inline design, and compact footprint for clean water systems.

GW Pipeline Sewage Pump
The GW Series Pipeline Sewage Pump is a submersible sewage pump featuring a single or double-channel anti-clogging impeller, tungsten-carbide double mechanical seals, and an auto-coupling installation system. Designed for continuous handling of wastewater, dilute slurries, and fiber-laden liquids in municipal, industrial, and building drainage applications. Flow: 7-800 m³/h, Head: 5-60 m.

LW Series Vertical Pipeline Centrifugal Pump
LW Series vertical pipeline centrifugal pump with direct-coupled motor, inline installation, IE3 efficiency. Flow 7-800 m³/h, head 5-60m. Ideal for building water circulation and HVAC systems.

CDK Series Pump Automatic Control Cabinet
The CDK Series Pump Automatic Control Cabinet integrates multiple starting methods and control modes for water supply, fire protection, and HVAC applications. Features include automatic pump adjustment, main/auxiliary rotation, VFD cycling, and intelligent soft start for motor power ratings from 0.55 to 315 kW.

TD Series In-Line Circulation Pump
Single-stage in-line circulation pump with top pull-out maintenance design, IP55 motor protection, and -15°C to 110°C operating range. Ideal for HVAC, district heating, cooling systems, and industrial liquid circulation.

WFB Series Sealless Self-Controlled Self-Priming Pump
The WFB Series Sealless Self-Priming Pump eliminates mechanical seals with a centrifugal dynamic sealing system. Featuring 'first prime, permanent self-priming' technology, it delivers reliable leak-free transfer for chemical, petrochemical, and industrial applications. Flow: 5.6-1600 m³/h, Head: 10-125 m.

GDL Vertical Multistage Centrifugal Pump
Vertical multistage centrifugal pump with inline installation for high-pressure clean water circulation and pressurization. Ideal for high-rise buildings, fire protection, and boiler feed systems.