Troubleshooting
Problem | What to Check | How to check | |
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Sprayer does not run at all | Check transducer or transducer | Turn ON/OFF switch OFF and | |
AND | connections (control board is not | disconnect power to sprayer. | |
detecting a pressure signal). | Check transducer and connections to | ||
Displays Code 03 message | |||
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| control board. | ||
OR |
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| Disconnect transducer from control | ||
Control board status light blinks 3 |
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| board socket. Check to see if | ||
times repeatedly |
| transducer and control board contacts | |
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| are clean and secure. | |
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| Reconnect transducer to control | |
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| board socket. Connect power, turn | |
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| ON/OFF switch ON and control knob | |
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| to 1/2 turn clockwise. If sprayer does | |
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| not run, turn ON/OFF switch OFF and | |
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| go to next step. | |
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| Connect a confirmed working | |
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| transducer to control board socket. | |
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| Turn ON/OFF switch ON and control | |
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| knob to 1/2 turn clockwise. If sprayer | |
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| runs, install new transducer. Replace | |
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| control board if sprayer does not run. | |
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| Check transducer resistance with an | |
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| ohmmeter (less than 9k ohm between | |
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| red and black wires and | |
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| between green and yellow wires). | |
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Sprayer does not run at all | Control is commanding motor to run | 1.Remove pump and try to run | |
AND | but motor shaft does not rotate. | sprayer. If motor runs, check for | |
Possibly locked rotor condition, an | locked or frozen pump or drive train. | ||
Displays Code 05 message | |||
open connection exists between | If sprayer does not run, continue to | ||
OR | motor and control, there is a problem | step 2. | |
with motor or control board, or motor | 2.Turn ON/OFF switch OFF and | ||
Control board status light blinks 5 | |||
amp draw is excessive. | |||
disconnect power to sprayer. | |||
times repeatedly |
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| 3.Disconnect motor connector(s) from | ||
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| control board socket(s). Check that | |
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| motor connector and control board | |
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| contacts are clean and secure. If | |
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| contacts are clean and secure, | |
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| continue to step 4. | |
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| 4.Set sprayer to OFF and spin motor | |
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| fan 1/2 turn. Restart sprayer. If | |
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| sprayer runs replace control board. | |
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| If sprayer does not run, continue to | |
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| step 5. | |
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34 | 334530A |
