Ferroli AQUA1 PLUS 160 HT Manuel D'installation Et Maintenance page 39

Installation and maintenance manual
5.1.1.2 The display
If the equipment is in the "ON" status, during
normal operation, the display will show the
established temperature by means of parameter
P5:
If P5 = 0, the display will show the temperature
of the upper part of the boiler;
If P5 = 1, the display will show the active
working set point;
If P5 = 2, the display will show the temperature
of the lower part of the boiler;
If P5 = 3, the display will show the temperature
of the evaporator;
If the equipment is in the "stand-by" status, the
display will be switched off.
5.1.1.3 Alarms
AL Minimum temperature alarm
Solution:
- Check the temperature associated with the
alarm;
- Parameters displayed: A0, A1, A2 and A11.
Main consequences:
- The equipment will continue to work as
normal
AH Maximum temperature alarm
Solutions:
- Check the temperature associated with the
alarm;
- Parameters displayed: A3, A4, A5 and A11.
Main consequences:
- The equipment will continue to work as
normal.
id Digital input alarm
Solutions:
- Check the causes that originated the input
activation (possible short circuit in signal
cables)
- See parameters: i0; i1 and i2;
Main consequences:
- Compressor will be switched off;
- Defrosting will not be activated.
iSd Blocked equipment alarm
Solutions:
- Check the causes that originated the digital
input activation
- See parameters: i0; i1; 18 and i9
- Switch the equipment off and then back on
again or disconnect the equipment from the
mains power supply.
Main consequences:
- Compressor will be switched off;
- Defrosting will be never activated.
FiL Ventilation filter check alarm
Solutions:
- Check how clean the filter is (to switch off the
alarm message, press any key on the display)
UtL Probable fan fault
Solutions:
- See parameters SP10 and C14
- Check the fan conditions
Main consequences:
- Compressor and fan are switched off;
- Water heating occurs using only the electric
resistance.
When the cause of the alarm has been
removed, the
equipment is restored.
normal operation of
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