Riello UPS Sentinel Dual (Low Power) (1000 - 3000 VA) - Manual (Page 28)

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A LARM CODES
Using a sophisticated self-diagnosis system, the UPS is able to check its own status for any anomalies and/or faults
which may occur during normal operation and display them on the display panel. If there is a problem, the UPS signals
the event by showing the code and the type of active alarm on the display (FAULT and/or LOCK).
F AULT
FAULT alerts can be divided into three categories:
¾ Anomalies: these are “minor” problems which do not cause the lock of the UPS but reduce performance or
prevent certain functions from being used.
CODE DESCRIPTION
A06 Sensor1 temperature under 0°C
A08 Sensor2 temperature under 0°C
A54 Load percentage greater than the user threshold set
A61 Replace batteries
A62 Batteries missing or Battery Box missing or not connected
A63 Waiting for battery charging
¾ Alarms: these are more critical problems than anomalies because, if they persist, they could cause the UPS to
lock in a very short time.
CODE DESCRIPTION
F03 Incorrect auxiliary power supply
F04 Dissipator over temperature
F05 Temperature sensor1 faulty
F07 Temperature sensor2 faulty
F11 Input relay faulty
F13 Capacitor pre-charge failed
F21 Capacitor bank overvoltage
F40 Inverter overvoltage
F41 Continuous output voltage
F42 Incorrect inverter voltage
F43 Inverter under voltage
F50 Overload: load > 103%
F51 Overload: load > 110%
F52 Overload: load > 150%
F53 Short circuit
F55 Waiting for load reduction to return to inverter
F60 Battery overvoltage