37
L
OCK
LOCK alerts are normally preceded by an alarm signal and their scale leads to the power-off of the inverter and the load
being powered by the bypass line (this procedure is excluded for locks due to serious, persistent overloads and short
circuits).
CODE
DESCRIPTION
L04
Dissipator over temperature
L07
Ambient overtemperature
L20
Capacitor bank undervoltage
L21
Capacitor bank overvoltage
L22
Unbalanced capacitor bank
L23
Capacitor bank short circuit
L24
Failed capacitor bank soft start
L40
Inverter overvoltage
L41
Short circuit
L42
Failed inverter soft start
L43
Inverter undervoltage
L50
Overload: load > 105%
L51
Overload: load > 110%
L52
Overload: load > 130%
L53
Overload: load > 150%
L96
Negative output power
L97
Male parallel cable not connected
L98
Female parallel cable not connected
Call Critical Power Supplies on 0800 978 8988 for the latest information