ABB T Series - Troubleshooting

27
Message Fault Action
Locked, Alarm LED on Lock input activated Unlock
Switch not in AUTO
mode, Alarm LED on
Slide switch is in handle or lock
position
Turn slide switch into the AUTO position
Phases crossed 
different
Connect the phases of both sources in
the same order
 
threshold level set in parameter “Drop-
out voltage, lower threshold“
Check the correlation between power
source and device configuration
 
threshold level set in parameter “Drop-
out voltage, upper threshold“
Check the correlation between power
source and device configuration
 
missing
Check the power source and
connections
  Check the power source
 
from the value of parameter “Phase
sequence“
Connect the phases according to the
configuration
 
set in parameters “Drop-out frequency,
upper threshold“ and “Drop-out
frequency, lower threshold“
Check the correlation between power
source and device configuration
 
threshold level set in parameter “Drop-
out voltage, lower threshold“
Check the correlation between power
source and device configuration
 
threshold level set in parameter “Drop-
out voltage, upper threshold“
Check the correlation between power
source and device configuration
 
missing
Check the power source and
connections
—
Troubleshooting
Warning
Shock, Voltage and Arc Flash hazard
Any troubleshooting should be conducted by
trained and authorized personnel only. Appro-
priate personal protective equipment (PPE)
shall be used when troubleshooting the service
equipment. Hazardous voltage may be present.
Disconnect all power sources before performing
work inside the service equipment.
Failure to do so may result in serious injury or
death.
—
Alarms
LCD Touch
—
Table 5 Alarm-list in level 3 and 4, LCD and touch control interfaces
Alarm symbol for LVL-3 LVI
Avertissement
Risque de choc, de tension et d'arc électrique
Tout dépannage doit être effectué uniquement
par du personnel formé et autorisé. Un équipe-
ment de protection individuelle (EPI) approprié
doit être utilisé lors du dépannage de l'équipe-
ment de service. Des tensions dangereuses
peuvent être présentes. Débranchez toutes les
sources d'alimentation avant d'effectuer des
travaux à l'intérieur de l'équipement de service.
Le non-respect de cette consigne peut entraîner
des blessures graves, voire mortelles.
Alarm symbol for LVL-4 LVI