DE DIETRICH INNOVENS PRO MCA 45 - 65 - 90 - 115 - Manual (Page 51)

Code Faults Cause
of the
fault Description Checking / solution
D32 5 RESET:ON/OFF SCU 5 resets done in less than an hour
4 Switch the boiler off and switch back on
4
If the boiler does not start after several resets (5 attempts possible), contact your
heating engineer and inform him of the error message displayed
D37 TA-S SHORT-CIR SCU The Titan Active System® is short-circuited
4
Contact the professional who takes care of maintenance of the appliance
Remarks:
Domestic hot water production has stopped but can nonetheless be restarted using key
r
.
The tank is no longer protected.
If a tank without Titan Active System® is connected to the boiler,check that the TAS
simulation connector (delivered with package AD212) is fitted to the sensor card.
D38 TA-S DISCONNEC SCU The Titan Active System® is on an open circuit
4
Contact the professional who takes care of maintenance of the appliance
Remarks:
Domestic hot water production has stopped but can nonetheless be restarted using key
r
.
The tank is no longer protected.
If a tank without Titan Active System® is connected to the boiler,check that the TAS
simulation connector (delivered with package AD212) is fitted to the sensor card.
D99 DEF.BAD PCU SCU The SCU software version does not recognise the PCU connected
4 Contact the professional who takes care of maintenance of the appliance
MCA 45 - 65 - 90 - 115 7. Troubleshooting
28/08/12 - 300024828-001-01 50