Faults:
These are more critical problems compared to the “Anomalies”, as if they persist they may bring the UPS to a
halt even in a very short time.
CODE
DESCRIPTION
F01
Internal communication error
F02
Wrong cyclic sense of the input phases
F03
Phase1 input fuse broken or input relay locked (will not close)
F04
Phase 2 input fuse broken or input relay locked (will not close)
F05
Phase3 input fuse broken or input relay locked (will not close)
F06
Phase 1 input relay locked (will not open)
F07
Phase 2 input relay locked (will not open)
F08
Phase 3 input relay locked (will not open)
F09
Precharge of positive branch condensers failed
F10
Precharge of negative branch condensers failed
F11
BOOST stage anomaly
F12
Wrong cyclic sense of the bypass phases
F14
Inverter phase 1 sine curve distorted
F15
Inverter phase 2 sine curve distorted
F16
Inverter phase 3 sine curve distorted
F17
Inverter stage anomaly
F19
Positive battery overvoltage
F20
Negative battery overvoltage
F21
Positive battery undervoltage
F22
Negative battery undervoltage
F23
Output overload
F26
Phase 1 output relay locked (will not open)
F27
Phase 2 output relay locked (will not open)
F28
Phase 3 output relay locked (will not open)
F29
Phase 1 output fuse broken or output relay locked (will not close)
F30
Phase 2 output fuse broken or output relay locked (will not close)
F31
Phase 3 output fuse broken or output relay locked (will not close)
F32
Battery charger stage anomaly
F33
Battery charger output fuse broken
F34
Heat sink overtemperature
F37
Battery charger overtemperature
F42
BOOST 1 battery fuse broken
F43
BOOST 2 battery fuse broken
F44
BOOST 3 battery fuse broken
