Troubleshooting
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 13).
No light |
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Once | Normal operation |
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Light on | Control board |
Continuously | commanding |
| motor to run |
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Flashing | See Error Code |
| section for further |
| troubleshooting |
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See Step 1. Do you have over 
100 AC volts (200 for 220V units)?
YES
See Step 2. Do
NO |
| you have over |
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100 AC volts?
YES
Replace the
ON/OFF switch.
Repair or
NO 
replace power cord.
See Step 3. Is the
proper reading present through the thermal switch wires?.
If motor is hot, let cool and retest. If Step 4 still shows
NO 
incorrect resistance, replace motor. The motor has
a defective thermal device.
YES
See step 4. Does the motor run?
YES
Replace
potentiometer.
Pressure switch.
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| Connect a test |
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NO |
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| transducer to the |
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| board. Does the |
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| motor run? |
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NO
YES | Replace the | |
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| control board. |
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Replace the
transducer
3A0157A | 19 |