DeDietrich AWHP MIT-IN iSystem User Manual

Code Faults Cause
of the
fault
Description Checking / solution
D38 TA-S DISCONNEC
SCU The Titan Active System® is on an open circuit
4 Check that the connection cable between the SCU PCB and the anode is not severed
4 Check that the anode is not broken
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 heat pump, check that the
TAS simulation connector (delivered in package AD212) is fitted to the sensor board.
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
L33 FLOW FAIL.
The flow rate is lower than the threshold defined by the MIN.STOP.FLOW. parameter
4 Contact the professional who takes care of maintenance of the appliance
5. Troubleshooting AWHP MIT-IN iSystem
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06/09/2012 - 300027618-001-01

DeDietrich AWHP MIT-IN iSystem Specifications

General

Brand	DeDietrich
Model	AWHP MIT-IN iSystem
Category	Heat Pump
Language	English