Troubleshooting
3A4147B
29
Sprayer does not run at all
Check transducer or
transducer connections
(control board is not detecting
a pressure signal).
1.
Set sprayer to OFF and disconnect
power to sprayer.
2.
Check transducer and connections
to control board.
3.
Disconnect transducer from control
board socket. Check to see if
transducer and control board
contacts are clean and secure.
4.
Reconnect transducer to control
board socket. Connect power, set
sprayer ON and control knob to 1/2
turn clockwise. If sprayer does not
run, set sprayer to OFF and go to
next step.
5.
Connect a confirmed working
transducer to control board socket.
6.
Set sprayer ON and control knob to
1/2 turn clockwise. If sprayer runs,
install new transducer. Replace
control board if sprayer does not
run.
7.
Check transducer resistance with
ohmmeter (less than 9k ohm
between red and black wires and
3-6k ohm between green and
yellow wires).
Display shows CODE 03
Control board status light
blinks 3 times repeatedly
Sprayer does not run at all
Check voltage supply to the
sprayer (control board is
detecting a multiple voltage
surges).
1.
Set sprayer to OFF and disconnect
power to sprayer.
2.
Locate a good voltage supply to
prevent damage to electronics.
Display shows CODE 04
Control board status light
blinks four times repeatedly
PROBLEM
CAUSE
SOLUTION
