Operation Manual

Protect PV.250 Operating Instructions
Page 24 of 51 80000027023 BAL, en
Unit monitoring systems
Monitoring
fan fault
X !Fan failure!
Monitoring K91
feedback signal fan contactor
X K91: !Switch feedback fault!
Monitoring K7
feedback signal INV output contactor
X #Fault K7 feedback signal#
Monitoring
parameter limits
X !Parameter limit fault!
Monitoring
PCB ID
X #Self-test fault#
Monitoring
EEPROM
X #EEPROM fault#
Monitoring
serial EEPROM
X !System fault!
Monitoring
watchdog
X #Watchdog#
Monitoring
15 V supply voltage
X #15 V supply voltage fault#
Monitoring
IGBT stack
X #Stack fault#
Monitoring
short circuit/overload
X #Short circuit#
Monitoring
load current transformer
X #Load current transformer fault#
Monitoring
inverter output voltage
X #AC voltage deviation#
Monitoring
stack overcurrent
X #Stack overcurrent#
Monitoring
mains synchronisation
X #Synchronisation fault#
Monitoring
communication parallel CAN
X !Communication fault parallel
CAN!
Monitoring
communication remote monitoring
X !Remote monitoring fault!
DC voltage monitoring systems
Monitoring
DC overvoltage
X #DC voltage deviation#
Grid monitoring systems
Monitoring
grid overfrequency
X #Mains frequency deviation#
Monitoring
grid underfrequency
X #Mains frequency deviation#
Monitoring
grid overvoltage
X #Mains voltage deviation#
Monitoring
grid undervoltage
X #Mains voltage deviation#
Monitoring
symmetry fault
X #Mains symmetry fault#