Status LEDs

Two LEDs indicate the status of the supply voltages.

Status LEDs 1:
Status LEDs for the supply voltages

LED US

Display

Meaning

off

The supply voltage US is not available.

green illuminated

The supply voltage US is available.

red illuminated

Several possibilities:

  • Undervoltage of the supply voltage US
    (EP2038-0042 only)
  • Overload on at least one auxiliary voltage output.

As a result, all auxiliary voltage outputs were switched off.

LED UP

Display

Meaning

off

The supply voltage UP is not available

green illuminated

The supply voltage UP is available

red illuminated

(EP2038-0042 only)

Undervoltage of the supply voltage UP.

As a result, all digital outputs were switched off.