Siemens SINAMICS G150, Operating Instructions Manual

Page: 609 / 680

Diagnosis/faults and alarms
10.3 Overview of warnings and faults
Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A
609
10.3.3 "External fault 2"
Causes
Fault code F7861 ("External Fault 2") is triggered when the braking resistor available with
options L61 and L62 is subject to thermal overload, thereby activating the thermostat. The
drive is switched off with OFF2.
Remedy
The cause of the braking resistor overload must be eliminated and the fault code
acknowledged.
10.3.4 "External fault 3"
Causes
Fault code F7862 "External fault 3" is triggered when the braking unit fitted for options L61
and L62 triggers a fault. The drive is switched off with OFF2.
Remedy
The cause of the braking unit overload must be eliminated and the fault code acknowledged.