Electronic Control "LCM" User Manual
firmware 0.06 Rev.02 EN 12/ 15
7 Alarms
7.1. Fire alarm
Fire alarm can be managed in the following ways:
in case of alarm completely stop the unit.
in case of alarm open the external dampers and force max fan speed (on both fans)
Available only if = yes: in case of alarm open the external damper and force max fan speed only for the
exhaust fan.
7.2. Stopping alarms
This kind of alarms forces the unit in stand-by mode.
These alarms are: Expansion communication error, fan thermal protection, regulation sensor fault and supply sensor
fault.
7.3. Alarm list
To visualize the alarms press Set and pressing the arrows select the menu.
Pressing the arrows it is possible the visualize more than one alarm
To reset manual alarms, keep pressed Set button while visualizing the alarm code.
Check / Replace the sensor
Check / Replace the sensor
Remote Display Probe Error
Check the connection / Replace remote Display
Clean or replace the filters
Post-Heater Overheating Alarm
Check the unit air flow rate / Contact the service centre
Return Air Pressure Probe Error
Check the connection / Replace the sensor
Supply Air Pressure Probe Error
Check the connection / Replace the sensor
Check the connection / Replace the sensor
Fan Thermal Protection Alarm
Check the unit air flow rate / Contact the service centre
Check / Replace the sensor
Pre-Heater Overheating Alarm
Check the unit air flow rate / Contact the service centre
Expansion Communication Alarm
Check the connection / Contact the service centre
Check the hot water temperature and the pump
Low Water Temperature Alarm
Check the hot water temperature and the pump
Clock time alarm (broken or not powered for three days)
Manual or setting the clock
Remote Display Probe AIR2 Error
Check / Replace the sensor
Check / Replace the sensor