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Before servicing, always release system
pressure by following Pressure Relief
Procedure (page 7).
Problem A: The sprayer does not start
Cause Solution
1. Sprayer is not plugged in Plug sprayer in
2. ON/OFF switch is set to OFF Turn ON/OFF switch to ON
3. The sprayer shuts off while under pressure Motor will cycle ON and OFF while spraying to regulate pressure. This is normal
4. No voltage is coming from wall plug Test the power supply voltage
5. The extension cord is damaged or has too low a capacity Replace extension cord
6. There is a problem with sprayer motor Take sprayer to Wagner Authorized Service Center
Problem B: The sprayer starts but does not draw material when the PRIME/SPRAY knob is set to PRIME
Cause Solution
1. The sprayer will not prime properly or has lost prime Refer to Getting Material to Flow section see page 9
2. The hopper is empty Refer to Load Material and Getting Material to Flow sections see pages 8-9
3. The sprayer is not on level ground Relocate sprayer to level ground
4. The inlet lter is clogged Refer to Clean the Inlet Filter see page 14
5. The inlet valve is stuck Inlet may be stuck from old material. Push lter tab to release. If still stuck refer to Clean
the Inlet Filter see page 14 or Replace the Inlet Valve see page 24 *
6. The outlet valve is stuck Refer to Replacing Outlet Valve see page 24
7. The inlet valve is worn or damaged Refer to Cleaning or Replacing Inlet Valve see page 24 *
8. The PRIME/SPRAY valve is plugged Take sprayer to Wagner Authorized Service Center
Problem C: The sprayer draws up material but the pressure drops when the gun is triggered
Cause Solution
1. The spray tip is worn Replace spray tip with a new one**
2. The inlet lter is clogged Refer to Clean the Inlet Filter see page 14
3. The spray tip is plugged Refer to Clear the Spray Tip see page 13
4. The spray gun lter is clogged Refer Clean the Spray Gun Filter see page 15. Keep extra lters on hand
5. The material is too heavy or coarse Thin or strain the material
6. The outlet valve assembly is dirty or worn Refer to Replacing Outlet Valve see page 24 *
7. The inlet valve assembly is damaged or worn Refer to Clean or Replace Inlet Valve see page 24 *
Fix Spraying Problems
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Troubleshooting
Troubleshooting • Fixing Spraying Problems