Siemens SENTRON 3WA1 - Page 186

Description
2.9 Self-monitoring and diagnostics
3WA1 air circuit breaker
184 Equipment Manual, 02/2023, 92310000002-06
Warning
A warning is a type of error that does not influence the protective function of the circuit
breaker. Operation of the circuit breaker is still possible with slight restrictions. A service
assignment may be necessary or the error may have to be rectified as part of the next
maintenance.
Warning ETU300
Current sensor energy converter defective
90% of limit temperature ETU reached
Warning ETU600
Description display ETU600
Current sensor energy converter defective
ETU Error, current sensor [phase], contact Service
Battery low
ETU warning, battery low, replace battery
Time not set
ETU warning, clock not set, set clock
90% of limit temperature ETU reached
ETU warning, limit temperature reached, check ETU
Limit temperature in COM module exceeded
COM module warning, limit temperature exceeded, check
module
Erosion of the main contacts requires maintenance
Circuit breaker warning, maintenance required, perform
maintenance
Erosion of the main contacts requires inspection
Circuit breaker warning, inspection required, perform
inspection
Parameterized and measured frequency do not match
ETU warning, frequency, parameterize rated frequency
IOM230 module disconnected from the CubicleBUS
2
IOM230 module warning, module not found, check wiring
Error in IOM230 module
IOM230 module warning, error in module, contact Service
Module IOM350 separated from CubicleBUS²
IOM350 module warning, module not found, check wiring
Fault in IOM350 module
IOM350 module warning, fault in module, contact Service
COM module disconnected from CubicleBUS
2
COM module warning, module not found, check wiring
Error in COM module
COM module warning, error in module, contact Service
BSS200 module disconnected from the CubicleBUS
2
BSS200 module warning, module not found, check wiring
Error in BSS200 module
BSS200 module warning, error in module, contact Service
ETU system clock not running
ETU warning, uCA RTC, contact Service
TUI600 module disconnected from the CubicleBUS
2
TUI600 module warning, module not found, check wiring
Error in TUI600 module
TUI600 module warning, error in module, contact Service
Module ZSI200 separated from CubicleBUS²
ZSI200 module warning, module not found, check wiring
Error in ZSI200 module
ZSI200 module warning, fault in module, contact Service
Short-circuit on ZSI line
ZSI200 module warning, wiring fault, check wiring