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8 Troubleshooting
8 Troubleshooting
8.1 The unit does not work
Make sure that all wires are correctly connected according to the cable chart.
Cause
The PWR LED is not lit.
The unit does not communicate with the mixer/
pump.
If the problem persists, then contact a sales or authorized service
representative.
Always state the product number and the serial number of the product.
26
Remedy
APP 412 Installation, Operation, and Maintenance manual
• Make sure that the unit receives voltage.
• Restart the unit.
• Make sure that the mixer/pump receives
voltage.
• Restart the mixer/pump and the unit.
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