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

 

 

 

Once

Normal operation

 

 

Light on

Control board

Continuously

commanding

 

motor to run

 

 

Flashing

See Error Code

 

section for further

 

troubleshooting

 

 

See Step 1. Do you have over 100 AC volts (200 for 220V units)?

YES

See Step 2. Do

NO

 

you have over

 

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.

 

 

 

Connect a test

 

NO

 

 

transducer to the

 

 

 

board. Does the

 

 

 

 

 

 

 

 

 

 

 

motor run?

 

 

 

 

 

 

NO

YES

Replace the

 

 

control board.

 

 

 

 

 

 

Replace the

transducer

3A0157B

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Graco ti15035b, ti14838b, ti15034a, ti15036b important safety instructions Sprayer Will Not Run