Bender ISOMETER iso1685D Series - Automatic Self Test; Manual Self Test

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iso1685DP_D00272_03_M_XXEN/08.2017
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3.5.2 Automatic self test
All supply voltages are continuously monitored. The following tests are continuously car-
ried out in the background:
• Connection E-KE
• 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 won't 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.