What does the E3 error code on the Laswim EC Series Salt Chlorinator mean? How to fix it?

What does the “E3” error code on the Laswim EC Series Salt Chlorinator mean? How to fix it?

When the Laswim Salt Chlorinator EC Series displays the error code “E3”, it indicates “No Water Flow Detected”, meaning there is no water flow passing through the chlorinator cell. This issue can be resolved and explained to customers as follows:

 Basic Troubleshooting Steps (for technicians or system operators):
   1. Check the Water Pump:

• Is the pump running?
  
• Is water actually flowing?
  
• If there is air in the system, purge the air before proceeding.
  
• Inspect the Flow Switch or Flow Sensor:
  

   2. The flow detection device may be stuck or clogged with debris.

• The flow detection device may be stuck or clogged with debris.
  
• Try removing and cleaning it.
  
• Check all wiring and connectors to ensure they are secure and not loose.
  

   3. Are all valves fully open?

• Partially closed valves may restrict water from reaching the chlorinator.
  
• Inspect Pipe Installation:
  

   4. Are the inlet and outlet pipes installed according to the manual's specified direction?

• Are the inlet and outlet pipes installed according to the manual's specified direction?
  
• Incorrect installation or reversed flow direction can prevent the sensor from detecting water flow
  

5. Check System Startup Timing:

• The chlorinator should start 1–2 minutes after the water pump turns on, allowing time for water pressure to build up.