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ALARMS
– When an alarm is generated, the display will show an alarm icon, the code and the description of the alarm in the language selected.
– If the navigation keys in the pages are pressed, the pop-up window showing the alarm indications will momentarily disappear and reappear again after a few seconds.
– The red LED near the alarm icon on the front panel is flashing when an alarm is active.
– If enabled, the local and remote alarm buzzers are activated.
– Alarms can be cleared by pressing
.
– If the alarm cannot be cleared, the condition that generated the alarm must still be solved.
– If one or more alarms occur, the behaviour of the DCRG8F will depend on the active alarm property setting.
ALARM PROPERTIES
Various properties can be assigned to each alarm, including user alarms (User Alarms, UAx):
–
Enabled
- General enabling of the alarm. If the alarm is not enabled, it is not considered,
–
Retentive
– Memory remains latched even if the cause of the alarm has been eliminated.
–
Operating mode
– Operating modes in which the alarm is enabled.
–
Global alarm 1 -2 -3
- Activates the output assigned to this function.
–
Step disconnection mode
– Defines whether and how the capacitor steps must be disconnected when the alarm is present.
OFF
= no disconnection;
SLOW
= gradual disconnection;
FAST
= Immediate disconnection.
–
Inhibition
- The alarm can be temporarily disabled by activating an input that can be programmed with the Inhibit function.
–
Modem call
– The alarm will be signalled remotely by sending a modem call under the conditions and modality defined in modem parameters.
–
No LCD
- The alarm is managed normally, but not shown on the display.
–
Delay time
– Time delay in minutes or seconds before the alarm is generated.
ALARM DESCRIPTION
CODE
ALARM
DESCRIPTION
A01
Undercompensation
All the available steps are connected but the cosphi is still more inductive than the setpoint.
A02
Overcompensation
All the steps are disconnected but the cosphi is still more capacitive than the setpoint.
A03
Current too low
The current flowing in the current inputs is lower than minimum value of measurement range.
This condition can occur normally if the plant has no load.
A04
Current too high
The current flowing in the current inputs is higher than the maximum of measurement range.
A05
Voltage too low
The measured voltage is lower than the threshold set with P17.14.
A06
Voltage too high
The measured voltage is higher than the threshold set with P17.13.
A07
Panel temperature too high
The panel temperature is higher than threshold set with P17.06.
A08
Capacitor current overload
The calculated capacitor current overload is higher than threshold set with P17.08 and/or P17.09.
A09
No-Voltage release
A no-voltage release has occurred on the line voltage inputs for more than 8ms.
A10
Step xx failure
The residual power percentage of the step xx is lower than minimum threshold set with P17.12.
A19
Link error
The DCTL no. x does not communicate with the DCRG8F on the RS485 bus. Problem with the RS485 wiring.
UAx
User alarm x (x=1..8)
User-defined alarm, as specified by parameters of menu M25.
A20
Maintenance interval 1 elapsed
The maintenance 1 interval hours are elapsed. After maintenance service, reset counter with command C16.
A21
Maintenance interval 2 elapsed
The maintenance 2 interval hours are elapsed. After maintenance service, reset counter with command C17.
A22
Maintenance interval 3 elapsed
The maintenance 3 interval hours are elapsed. After maintenance service, reset counter with command C18.
A23
Contactors service interval
The number of operations of the standard steps (considering the step with the highest count) has rised above the value set in P19.08.
G
B