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Siemens Building Technologies SED2 variable speed drives CM1U5192en

HVAC Products Troubleshooting 01.2002

7 Troubleshooting

7.1 Troubleshooting using the operator panel

If a warning or trip code appears on the display, refer to section 7.2.1 Error code list or

section 7.2.2 Warning code lists.

If the motor does not start with the ON command:

Check if P0010 = 0.

Check if there is a valid ON signal.

Check if P0700 = 2 (for digital input control) or

P0700 = 1 (for BOP control).

Check if the correct setpoint is available (0 to 10 V on terminal 3), or if the setpoint

was entered in the correct location in dependence of the setpoint source (P1000).

Refer to the parameter list for more detailed information.

If the motor does not start after changing the parameters, set P0010 = 30 and then

P0970 = 1, and press P to reset the variable speed drive to the factory-set parameter

default values.

Use a switch between terminals 5 and 8 on the control terminal bar.Thedrive

should now run according to the default setpoint at the analog input.

The voltage and current range of the VSD must match the motor data.

Note

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Siemens SED2 Betriebsanleitung Seite 107