Sprayer will not run
1. Perform Pressure Relief Procedure. Leave prime valve
open and power switch OFF.
Troubleshooting Procedure
Connect an analogue manometer between
the device and the paint hose; connect the
sprayer to the power and set the on/off switch
to ON. Does sprayer reach or exceed its maxi-
mum pressure?
YES
Disconnect the pressure sensor from the con-
trol board. Does motor stop running?
YES
Faulty pressure sensor. Replace and test with
a new one.
Original instruction
2. Remove control box cover so the control board status
light can be viewed if available.
Mechanical problem: See the proper fluid
pump manual for the sprayer for further trou-
NO
ble shooting procedures.
Replace the control board.
NO
178