WLC TROUBLESHOOTING GUIDE

Please use our troubleshooting flow to resolve the most common issues. Be prepared to provide the Serial Number located on exterior right side of the control panel.

PROBLEM/ISSUE

POSSIBLE CAUSE

ACTION

Power LED Off

Loss of Input Power Source




Power Surge or Lightning Strike

Check if main breaker tripped




Faulty input power wiring connection




Control Panel Test

High Alarm LED constantly on

Defective PCB

Control Panel Test

Power/Fault LED flashing

Probe Sequence Fault




Damaged Sensor Cable or Wires




Breather Hole Obstruction

Clean Sensor Probes




Sensor Test




Check for good extension rod connections




Sensor Probe Continuity Test




Clean PVC Stilling Chamber


Tank overflowing

Defective Solenoid Valve




Defective Power Relay

Solenoid Test




Power Relay Test

Tank will not Fill

Loss of Input Power Source




Power Surge or Lightning Strike




Defective Solenoid Valve




Defective Power Relay

Check if main breaker tripped




Faulty input power wiring connection




Control Panel Test




Solenoid Test




Power Relay Test

Intermittent False High Alarm

High Voltage interference

Sensor Cable Installation

PROUDLY MADE IN THE U.S.A. 

All of our liquid level controls and liquid level sensors are assembled right here in the U.S.A.
where we monitor every step of the process.

NOT SURE WHAT YOU NEED? JUST CALL BECAUSE WE’RE HERE TO HELP! 1-888-905-1892

We offer products comparable to the products offered by the above companies. See our website pages for further information on the products. The tradenames and trademarks in this page are owned by their respective companies or are the same name as the company. They are mentioned for comparison purposes only. They are in no way affiliated with System Dynamics, Inc or WaterLine Controls.