A12 condensation probe error warn about malfunction of condensation probe SD.
As consequence unit stop any activity related to the boiler and show the message.
This message requires the intervention of an authorized technician; causes of the fault must be investigated as per prescriptions.
Description
I/O PCB detect probe signal on inlets 3 e 4 (+) in case circuit is open or in short circuit error will occur.
Warning
Probes ar K type and generate a direct voltage so will be foundamental observe right polarity when connecting.
In case of emergency, if part is not available, possible to replace with probe SB deactivating the boiler and water pressure switch PC from oven model menu.
Reset
Error reset automatically when probe is properly connected.
Checks
Perform following checks:- Check SD and his cabling if needed replace it.
- Check all other probes; if all defective change I/O PCB.