Troubleshooting
40 3A6342A
• Sprayer does not run at all
• Display shows CODE 4
• BlueLink status light blinks four
times repeatedly
Control board
detected
voltage surges.
Set sprayer to OFF and disconnect
power to sprayer.
Locate a good voltage supply to
prevent damage to electronics.
• Sprayer does not run at all
• Display shows CODE 05
• BlueLink status light blinks 5
times repeatedly
Control is
commanding
motor to run but
motor shaft
does not rotate.
1. Remove pump and try to run
sprayer. If motor runs, check for
locked or frozen pump or drive
train. If sprayer does not run,
continue to step 2.
2. Set sprayer to OFF and discon-
nect power to sprayer.
3. Remove motor cover.
4. Disconnect motor connector(s)
above motor. Check that connec-
tors are clean. Reconnect con-
nectors. Check that connectors
are fully seated and secure.
5. Set sprayer to OFF and spin
motor fan 1/2 turn. Restart
sprayer. If sprayer runs, replace
control board. If sprayer does not
run, continue to step 5.
6. Perform Spin Test: Test at large
4-pin motor field connector. Dis-
connect fluid pump from sprayer.
Test motor by placing a jumper
across pins 1 & 2. Rotate motor
fan at about 2 revolutions per sec-
ond. A cogging resistance to
motion should be felt at the fan.
The motor should be replaced if
no resistance is felt. Repeat for
pin combinations 1 & 3 and 2 & 3.
Pin 4 (the green wire) is not used
in this test. If all spin test is posi-
tive, continue to step 6.
See connections on next page:
Problem Cause Solution
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