DE DIETRICH TWINEO EGC 25 - Manual (Page 28)

Code Cause of
the fault Description Checking / solution
e37 PCU Communication failure with the
SU PCB
Bad connection
4
Contact the professional who takes care of maintenance of the
appliance
e38 PCU Communication failure between
the PCU and SCU PCBs
Bad connection
SCU PCB not connected or faulty
4 Contact the professional who takes care of maintenance of the
appliance
e39 PCU The BL inlet is open Parameter incorrectly set
Bad connection
External cause
4
Contact the professional who takes care of maintenance of the
appliance
e40 PCU HRU/URC unit test error Bad connection
External cause
4 Contact the professional who takes care of maintenance of the
appliance
6. Troubleshooting EGC 25
27 03/12/2013 - 300026082-001-02