8- Alarm Messages; 9- Alarm Relay; 10- Operating Mode Selection - ITALFARAD IFC7 Notice D'utilisation

8. Alarm messages
In case of anomaly, the display shows the following error codes:
DISPLAY
Er.U Voltage input signal error.
Current input signal error (current
lower
Er.I
endscale).
measurement is not possible.
Frequency error. The measured
line frequency is out of the
Er.F
admissible tolerance ±5% of the
rated frequency.
Internal EPROM memory error
Er.S
(checksum).
Er.E Internal EPROM memory error.
If an error occurs, all the steps are immediately disconnected and the alarm relay (if
enable through the set-up) is energized.
9. Alarm relay
If in the SET UP the last step has been programmed as alarm ("ALA"), the
correspondent relay is energized (and the LED flashes) when an error message occurs
or when it is impossible to reach the setpoint even with all the steps connected or
disconnected.
10. Operating mode selection
MAN/AUTO operating mode selection
The MAN/AUTO selection is allowed only if the vertical LEDs (function menu) are off,
that is when the display shows the power factor of the plant.
The selection is saved automatically so that, at feeding, the unit starts operating
according to what was set before.
Manual mode:
Notes:
The keys
ITALFARAD S.p .A. via IV novembre n.1 Minerbio (BO) It aly
If the auxiliary supply lacks during the operation, the present step configuration is saved.
DESCRIPTION
than 2,5%
The power
MAN
or are latch type .
C h e c k
connections (terminals 18-19).
1. Check the line load.
of the
2. Check
factor
(terminals S1-S2).
The type of unit is not compatible
with the line to be controlled:
contact ITALFARAD.
Contact ITALFARAD.
Switch off and on the unit: check the
set parameters and correct them
eventually. Contact ITALFARAD if
the error occur again.
22
CHECK
t h e v o l t a g e
the current
i n p u t
input
GB