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Troubleshooting
3A4442B
35
Sprayer Will Not Run
(See following page for steps)
Remove control box cover.
Turn sprayer ON. Observe
control board status light on
control board (see page 28).
No light
Once
Light on
continously
Flashing
Normal Operation
Control board
commanding
motor to run
See Code section
for further
troubleshooting
See Step 1. Do
you have over
100 VAC (220
VAC for 230V
units)?
NO
See Step 2. Do
you have over
100 VAC (220
VAC for 230V
units)?
YES
NO
Repair or
replace power
cord.
Replace the
ON/OFF switch.
YES
See Step 3. Is the
proper reading
present through the
thermal switch
wires?
YES
See Step 4. Does
the motor run?
YES
Replace
potentiometer.
NO
If motor is hot, let cool and
retest. If Step 3 still shows
incorrect resistance, replace
motor. The motor has a
defective thermal device.
NO
Connect a test
transducer to the
board. Does the
motor run?
Replace the
transducer.
YES
NO
Replace the
control board.
ti29217a
Summary of Contents for 3A4442B
Page 47: ...Notes 3A4442B 47 Notes ...