Symptoms:
•
Sprayer does not run at all
E=02
•
Digital Display shows E=02
•
Control board status light blinks 2x repeatedly.
What does this mean?
The control board is detecting an excessive pressure. The transducer or
connections is likely the problem.
Troubleshooting Procedure:
1. Make sure there is no pressure in the system (see pressure relief procedure).
Check fluid path for clogs, such as clogged filter.
2. If running Auto Clean, open prime valve and trigger gun.
3. Use airless paint spray hose with no metal braid. ¼ in. x 50 ft minimum.
Smaller hose or metal braid hose may result in high-pressure spikes.
4. Set sprayer to OFF and
disconnect power to sprayer
.
5.
Check transducer & connections
to control board.
1. Disconnect transducer from control board socket. Check that transducer and
control board contacts are clean and secure.
2. Reconnect transducer to control board socket. Connect power, set sprayer
ON and control knob to ½ turn clockwise. If sprayer does not run properly,
set sprayer to OFF and go to next step.
3. Replace transducer. Connect power, set sprayer ON and control
knob to ½ turn clockwise. Install new transducer if sprayer runs
properly. Replace
control board if sprayer does not run properly.
29
