STF-Filtros FMA-2000 series, Инструкция по установке, эксплуатации и обслуживанию

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Installation, operation and maintenance manual - FMA 2000
Ref: 2000/CPF01/230/VH 32
13. – WARNINGS AND ALARMS
1. When the programmer makes the number of backwashings consecutively indicated in
parameter C2 (the setpoint is 20) there is no possibility to go on filtering, the safety
device that will stop the filter backwashing will activate.
The panel alarm light will turn on and the inscription ALARM 20 CONSECUTIVE
BACKWASHINGS will appear on the programmer screen.
This alarm indicates that the pressure differential gets to the electrical panel, this can be
due to a measure sensor failure, dust in the filters or dust in the water to be filtered.
Unblock the pressure switch or press the START, REARM, ALARM button in order to
delete the alarm.
2. If during the backwashing any of the engines running is stopped , the message LIMIT
SWITCH ALARM will appear on the screen.
This alarm does not need to be rearmed, it is necessary to check that the limit switch
signal gets correctly to the panel, then backwash twice.
If this is not corrected, please contact the manufacturer.
.