LEGRAND KEOR XPE Serie Manuel De L'utilisateur page 99

Manuel de l'utilisateur de l'ASI KEOR XPE
Alarm A14
Description The phase rotation of the bypass line is wrong.
Possible  Wrong connection of power cables.
causes
Solutions 1. Check phase rotation.
2. If the alarm persists, contact our technical support service.
Alarm A15
Description The voltage or frequency of the bypass line are out of tolerance.
Possible  Bypass line instability or failure.
causes
 Wrong phase rotation.
Solutions 1. Check the connections to the mains.
2. Check the stability of mains voltage.
3. If the alarm persists, contact our technical support service.
Alarm A16
Description The load is fed by the bypass line. Alarm disabled in "ECO" mode.
Possible  Temporary changeover due to inverter failure.
causes
 The "Normal/Bypass" selector was rotated in the "Bypass" position
1. Verify the inverter status and check whether other alarms are
Solutions
2. Check the position of the "Normal/Bypass" selector on the IOBM.
3. If the alarm persists, contact our technical support service.
Alarm A17
Description The load is blocked on the bypass line.
Possible  Very frequent changeovers due to load in-rush currents.
causes
 Static switch problems.
Solutions 1. Execute the alarms resetting procedure.
2. Check the in-rush currents of the loads.
3. If the alarm persists, contact our technical support service.
Alarm A18
Description The manual bypass isolator is closed.
Possible  Manual bypass isolator closed.
causes
Solutions 1. Check the status of the manual bypass isolator.
2. Check the functionality of the auxiliary contact of the isolator.
3. If the alarm persists, contact our technical support service.
KEOR XPE UPS user manual
Utilizzo dell'UPS KEOR XPE
BYPASS WRONG SEQUENCE
BYPASS FAULT
BYPASS --> LOAD
on IOBM.
present.
RETRANSFER BLOCKED
MBCBS CLOSED
OMAF9213 REV. C 99