Troubleshooting
3A4442F
33
Sprayer does not run at all
Display shows CODE 10
Check to see if control board is
over heating.
1.Make sure motor air intake is not
blocked.
2.Make sure fan has not failed.
3.Make sure control board is properly
connected to back plate and that
conductive thermal paste is used on
power components.
4.Replace control board.
5.Replace motor.
Sprayer does not run at all
Display shows CODE 12
Excessive current protection
enabled
1.Cycle power on and off.
Sprayer does not run at all
Display shows CODE 15
Check the connections above the
motor
1.Set sprayer to OFF and disconnect
power to sprayer.
2.Remove motor shroud.
3.Disconnect motor control and
inspect for damage at connectors.
4.Reconnect motor control.
5.Turn power on. If code continues,
replace motor.
Sprayer does not run at all
Digital display shows CODE 16
Check the connections. Control
is not receiving a motor position
sensor signal
1.Turn power OFF.
2.Disconnect motor position sensor
and inspect for damage at
connectors.
3.Reconnect sensor.
4.Turn power ON. If code continues,
replace motor.
Problem
What to Check
How to check
ti18685a