LEGRAND KEOR XPE Serie Manuel De Fonctionnement page 289

Manuel de l'utilisateur de l'ASI KEOR XPE
Alarm AS15
Description The voltage or frequency of the bypass line are out of tolerance.
➢ Bypass line instability or failure.
Possible
causes
➢ Wrong phase rotation.
Solutions 1. Check the connections to the mains.
2. Check stability of mains voltage.
3. If the alarm persists, contact our technical support service.
Alarm AS16
The load is fed by the bypass line. Alarm disabled in "ECO" mode.
Description
➢ Temporary changeover due to inverter failure.
Possible
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.
3. If the alarm persists, contact our technical support service.
Alarm AS17
Description The load is blocked on the bypass line.
➢ Very frequent changeovers due to load in-rush currents.
Possible
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 AS18
Description The manual bypass isolator is closed.
➢ Manual bypass isolator closed.
Possible
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.
Alarm AS19
Description At least one Power Unit has enabled alarm A19 OCB OPEN.
➢ Refer to alarm A19 OCB OPEN of the Power Unit.
Possible
causes
Solutions 1. Refer to alarm A19 OCB OPEN of the Power Unit.
KEOR XPE UPS user manual
Utilizzo dell'UPS KEOR XPE
BYPASS FAULT
BYPASS --> LOAD
on IOBM.
present.
RETRANSFER BLOCKED
MBCBS CLOSED
OCB OPEN
OMAF9213 REV. A 71