Troubleshooting Guide

Electrical Connections
‐ All wiring, electrical connections and system grounding must comply with all national and
local codes and regulations. A certified electrician must be employed to perform all
electrical work.
‐ Before starting work on the product, make sure that the product and the control panel
are isolated from the power supply and cannot be energized.
‐ It is important that the pump should be properly grounded and provided with leakage
breaker to prevent the users from serious electric shock injury.
‐ Make sure if the voltage of the power supply is identical to the one indicated on the
nameplate (label) of the pump. Do not plug in to other voltage and phase than what is
indicated on the nameplate.
‐ Water leakage into electrical parts can cause damaged equipment or a blow fuse. Keep
the end of the power cable above the liquid level.
‐ Damaged cables should always be replaced. Do not operate the pump if the cables are
damaged!
‐ For three-phase motor, be careful of the direction of rotation. If the power source is
connected to the reverse phase to result in the wrong motor rotation, please change the
connection of any two incoming wires.
‐ Please install over-current protective device (circuit breaker or fuse) and over-load
protective device to protect the pump.
‐ The voltage drop in long cables must be taken into account.