#1 GUIDE FOR PRESSURE WASHING & SOSFT WASHING

12 Volt System Troubleshooting

December 9, 2022

If you are having issues with your 12 Volt soft wash system, use the table below to troubleshoot the issues.

Symptom	Possible Cause	Solution
The pump doesn’t turn on	Blown fuse	Turn off the system and replace the inline fuse on the pump
	Bad electrical connection	Check all the electrical connections starting at the pump head and working your way back to the battery. Ensure that each connection is properly seated and has limited or no movement.
	Dead battery	The battery may be dead and must be charged before beginning. Try charging the system and/or testing the battery.
	Pressure valve failure	In rare cases, the pressure valve on the pump can die. You may need to replace the pump head or the entire pump.
	Dead pump	Replace the pump head. If the issue persists, replace the entire pump.
The system is on but the pump is not creating pressure or liquid is coming out slowly	No water or chemical in the tank	Ensure that there is water, SH, and/or soap in every tank that’s being drawn from. If there is no liquid in the tank, fill it and try again.
	Air leak in the system	An air leak can happen when the tanks are empty and the hoses are drawing in the air, or it can happen at any point between the tank and the pump. The most common areas of failure are barbs to hose connections or threaded fittings that have caused cracks.
	Pressure valve failure	In rare cases, the pressure valve on the pump can die. You may need to replace the pump head or the entire pump.
The system doesn’t seem to be drawing any chemicals	No liquid in the tank	Ensure that there is water, SH, and/or soap in every tank that’s being drawn from. If there is no liquid in the tank, fill it and try again.
The system doesn’t seem to be drawing any chemicals	Air leak in the system	An air leak can happen when the tanks are empty and the hoses are drawing in the air, or it can happen at any point between the tank and the pump. The most common areas of failure are barbs to hose connections or threaded fittings that have caused cracks.
System back feeding into another tank	Failed check valve	A failed check valve will allow liquid to back feed. Remove and disassemble the check valve. Clear the assembly of any debris. Reassemble and install. If the issue persists, replace the check valve.
The spray pattern is erratic or spotty.	Air leak in the system	An air leak can happen when the tanks are empty and the hoses are drawing in the air, or it can happen at any point between the tank and the pump. The most common areas of failure are barbs to hose connections or threaded fittings that have caused cracks.
The spray pattern is erratic or spotty.	Clogged or damaged nozzle	Inspect the nozzle for obstructions or damage. Clean obstructions or, in the case of damage, replace the nozzle.