OMTECH 60W CO2 LASER ENGRAVER Water Flow Error

Magnetic Water Flow Sensor (HL-30)

This sensor uses a magnetic paddle that must displace to close a reed switch, signaling the controller that cooling is active. Over time, the internal reed switch can fail or the magnetic piston can become stuck due to mineral buildup, causing the 'Water Flow Error' even if water is moving. Replacing this granular component restores the electronic safety signal to the mainboard.

SKU: HL-30

CHECK PRICE ✓ THIS FIXED IT

CW-5200 Industrial Water Chiller

If the flow error is caused by an actual lack of hydraulic movement, the primary pump inside the chiller has likely reached end-of-life or lost its prime. Upgrading to a CW-5200 series provides active refrigeration and a more robust centrifugal pump with higher head pressure compared to standard submersible pumps, ensuring the flow switch remains actuated during high-duty cycles.

CHECK PRICE ✓ THIS FIXED IT

Silicone Cooling Tubing (8mm ID x 12mm OD)

Silicone tubing can become soft or kinked over time, especially near the cable chains or the entry points of the laser tube. A mechanical restriction in the line increases backpressure and reduces the flow rate below the sensor's required threshold (typically 1.5 L/min), triggering the protection error. Replacing the lines ensures an unrestricted cooling path.

CHECK PRICE ✓ THIS FIXED IT