KACO Powador-protect - Manual (Page 46)

Page 46
A
Line error
Display
Fault description
LNx_U10M>
Shutdown due to excedance of the voltage
increase protector level 1/level 2 on phase x
(10-minute mean value)
TEST
Button for manual fault triggering has been
activated
System fault
Display
Fault description
RELAYS
Tie circuit-breaker faults: when reading the relay
contacts for the single fault proof assurance, it was
detected that the relay has not been activated
Internal fault
Display
Fault description
VOLTRDC
Internal fault: Difference between the voltage meas-
urement of the 3 phases and the redundant voltage
measurement for the single fault proof assurance
VREF15
Internal fault: in the A/D converter check with refer-
ence voltage for single fault proof assurance, a fault
was detected