9
Malfunction
No flame
Triggering of double flow probe
Triggering of flue gas thermostat
Insufficient system pressure
flow probe failure
DHW probe failure (only model KC)
flue gas probe failure
System pressure too high
Water cylinder probe failure (optional, if connected; models KRB and KR only)
Return probe failure
Solar collector probe (SCS) failure (optional, if connected)
Solar valve probe (SVS) failure (optional, if connected)
Solar Water cylinder probe (SBS) failure (optional, if connected)
Remote Control connection failure (optional, if connected: this error appears only
on the Remote Control display)
Triggering of safety thermostat in mixed zone 2 (optional, if connected)
Mixed zone flow probe 2 failure (optional, if connected)
Mixed zone flow probe 3 failure (optional, if connected)
