Troubleshooting
TYPE OF PROBLEM | WHAT TO CHECK | HOW TO CHECK | |
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Sprayer does not run at all | Control is commanding motor to run | 1. Remove pump and try to run sprayer. If motor runs, | |
| but motor shaft does not rotate. | check for locked or frozen pump or drive train. | |
Digital display shows E=05 | |||
Possibly locked rotor condition, an | If sprayer does not run, continue to step 2. | ||
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| open connection exists between | 2. Set sprayer to OFF and disconnect power to | |
| motor and control, there is a | ||
| problem with motor or control board, | sprayer. | |
| or motor amp draw is excessive. | 3. Disconnect motor connector(s) from control board | |
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Control board status light blinks |
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| socket(s). Check that motor connector and control | ||
5 times repeatedly |
| board contacts are clean and secure. If contacts | |
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| are clean and secure, continue to step 4. | |
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| 4. Set sprayer to OFF and spin motor fan 1/2 turn. | |
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| Restart sprayer. If sprayer runs, replace control | |
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| board. If sprayer does not run, continue to step 5. | |
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| 5. Perform Spin Test: Test at large | |
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| connector. Disconnect fluid pump from sprayer. Test | |
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| motor by placing a jumper across pins 1 & 2. Rotate | |
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| motor fan at about 2 revolutions per second. A cogging | |
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| resistance to motion should be felt at the fan. | |
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| The motor should be replaced if no resistance is felt. | |
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| Repeat for pin combinations 1 & 3 and 2 & 3. Pin 4 | |
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| (the green wire) is not used in this test. If all spin test | |
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| is positive, continue to step 6. | |
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| Green Blue Red Black |
STEP 1: 
Green Blue Red Black
STEP 2: 
Green Blue Red Black
STEP 3: 
3A0157A | 15 |