Bender ISOMETER isoGEN423 Manual page 17

Insulation monitoring device

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Start a manual self test by pressing the test button 'T'. Whilst the test button is pressed and held down

for > 1.5 s, all display elements available for this device are shown. During the test, the 'tES' symbol flashes.

Any internal malfunctions detected are shown on the display as error codes (see see chapter 2.3.6.1). The

alarm relays are not checked during the test (factory setting). The setting can be changed in the 'out' menu

so that the relays switch to the alarm state during the manual self test.

Check factory setting for suitability.

Are the settings suitable for the installation to be monitored?

The list of factory settings is shown in the tables from chapter 4.4.

Check the function using a genuine insulation fault.

The ISOMETER® shall be checked against earth in the system being monitored, e.g. via a suitable

resistance.

ISOMETER® isoGEN423

isoGEN423_D00221_05_M_XXEN

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