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| Troubleshooting | |
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TYPE OF PROBLEM | WHAT TO CHECK |
| HOW TO CHECK | |
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Sprayer does not run at all | Check transducer or transducer | 1. | Set sprayer to OFF and disconnect power to sprayer. | |
| connections (control board is not |
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Digital display shows E=03 | 2. | Check transducer and connections to control board. | ||
detecting a pressure signal). | ||||
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| 3. | Disconnect transducer from control board socket. | |
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| Check to see if transducer and control board | |
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| contacts are clean and secure. | |
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Control board status light blinks |
| 4. | Reconnect transducer to control board socket. | |
3 times repeatedly |
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| Connect power, set sprayer ON and control knob | ||
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| to 1/2 turn clockwise. If sprayer does not run, | |
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| set sprayer to OFF and go to next step. | |
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| 5. | Connect a confirmed working transducer to control | |
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| board socket. | |
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| 6. | Set sprayer ON and control knob to 1/2 turn | |
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| clockwise. If sprayer runs, install new transducer. | |
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| Replace control board if sprayer does not run. | |
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| 7. | Check transducer resistance with ohmmeter (less | |
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| than 9k ohm between red and black wires and | |
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| ohm between green and yellow wires). | |
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14 | 311365G |
