Automatic Self Test; Manual Self Test - Bender ISOMETER iso1685DP-425 Manual

Function
During this self test, when the device is being started, the alarm relays are not switched.
TEST
Measurement
√
Coupling
Earth connec-
tion
33 %

3.5.2 Automatic self test

All supply voltages are continuously monitored. The following tests are continuously car-
ried out in the background:
• E-KE connection
• Temperature monitoring of coupling and locating current injector
A self test is automatically run at 24-hour intervals.
During the automatic self test, the alarm relays K1 (11-12-14) and K2 (21-22-24) are not
switched. K3 will not be switched either.

3.5.3 Manual self test

The self test is started via the TEST button of the ISOMETER®.
The following tests are only carried out in the manual self test mode:
• Internal flash
• CPU register
• Watchdogs
• Oscillator
• Restart of the device including re-initialisation and recalibration
• Connection monitoring system
During the manual self test, all alarm relays are switched.
11
Test successful
Test not successful
Test not available
(e.g. incorrect device settings).
Test in progress
Function
isoxx1685Dx-x25_D00272_06_M_XXEN/04.2020