Operation Manual

Protect PV.250 Operating Instructions
Page 23 of 51 80000027023 BAL, en
5.2 Table of Faults
Fault/Message Deacti-
vating
Self-
acknowl-
edging
Signal-
ling
DOU message
Temperature monitoring systems
IGBT stack temperature warning X !Equipment temperature fault!
IGBT stack temperature fault X #Equipment temperature fault#
IGBT supply air temp. warning X !Ambient temperature fault!
IGBT supply air temperature fault X #Ambient temperature fault#
Unit exhaust air
temperature warning
X !Ambient temperature fault!
Unit exhaust air
temperature fault
X #Ambient temperature fault#
Temperature sensor fault,
IGBT stack
X #Temperature sensor fault#
Temperature sensor fault,
IGBT supply air temperature
X #Temperature sensor fault#
Temperature sensor fault,
unit exhaust air temperature
X #Temperature sensor fault#
CAN I/O monitoring systems
Feedback signal,
DC load interrupter switch Q4.1
X Q4.x: !Switch feedback fault!
Switch position Q4.1 X Q4.x: Switch open
Feedback signal
K21 earthing PV cells
X K21: !Switch feedback fault!
Monitoring
F21 earthing circuit breaker
X !Miniature circuit breaker tripped!
Monitoring
F81 surge voltage arrester DC input
X !Overvoltage protection tripped!
Monitoring
insulation monitor level 1
X !Insulation monitor warning!
Monitoring
insulation monitor level 2
X !Insulation monitor alarm!
Monitoring mains voltage
auxiliary power supply mains 2
X !Auxiliary power supply - mains
failed!
Monitoring
F82/F83 surge voltage arrester
AC mains 1/2
X F82/F83: !Overvoltage protection
tripped!
Monitoring
F60 auxiliary power supply mains 2
X F60: !Miniature circuit breaker
tripped!
Monitoring
F61 independent power supply
mains 1
X F61: !Miniature circuit breaker
tripped!
Monitoring
Q26 AC mains disconnector
X Q26: Switch open
Monitoring
unit cabinet door
X !Unit cabinet door open!
Monitoring communication CAN I/O
AC cabinet
X !Communication fault with I/O
control!
Monitoring communication CAN I/O
DC cabinet
X !Communication fault with I/O
control!
Monitoring
CAN I/O parameters
X #I/O parameter error#