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7 Troubleshooting
7 Troubleshooting
7.1 Precautions
Before starting work, make sure that the safety instructions have been read and understood.
DANGER: Electrical Hazard
Troubleshooting a live control panel exposes personnel to hazardous voltages. Electrical
troubleshooting must be done by a qualified electrician.
DANGER: Electrical Hazard
Before starting work on the unit, make sure that the unit and the control panel are isolated
from the power supply and cannot be energized. This applies to the control circuit as well.
7.2 The unit does not work
Cause
The power LED does not light up.
The unit does not communicate with the 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.
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Remedy
• Check that the unit receives voltage.
• Restart the unit.
• Check that the pump receives voltage.
• Check that the pump cable is not damaged.
• Check that the unit settings and configuration are
correct.
• Restart the pump and the unit.
DCM 711 Installation, Operation, and Maintenance Manual
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