Bitzer BAO-102-1 AUS Error 21: EEV probe S2 alarm

BAO-102-1 AUS controller · taken from the manufacturer’s manual, pages cited

Alarm code21

The EEV probe S2 alarm indicates a problem with the S2 probe of the EEV. The manual lists no action for this code.

Model
Bitzer BAO-102-1 AUS
Display shows
EEV probe S2 alarm (21)
Type
Alarm code
Source
Manual p. 19

What 21 means

EEV probe S2 alarm p. 19

If 21 is still not resolved

  • contact service / dealer p. 20
    “WARNING! deleting the alarms means ignoring them, and consequently before proceeding, carefully make sure that the system will not be damaged or malfunction or become unreliable.”
Open the manual at page 19 All BAO-102-1 AUS error codes Manual details & download

This page summarises what the manufacturer’s manual says about 21; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Bitzer. Found a mistake? Report an error.