User Manual
14 | DEL AU www.stiebel-eltron.com
INSTALLATION
Shutting down the system
11.2 Recommissioning
See chapter "Settings and displays / Following an interruption to
the water supply"
12. Shutting down the system
Isolate all poles of the appliance from the power supply.
Drain the appliance (see chapter "Maintenance").
13. Troubleshooting
WARNING Electrocution
In order to check the appliance it must be connected to
the power supply.
13.1 Service mode
M1
Tmax
M2
D0000040982
1
2
1 Memory keys M1 and M2
2 Spanner symbol
The spanner symbol is displayed in the event of a fault.
Activate customer service mode by pressing and holding
down both memory keys M1 and M2 for >6seconds.
Disable customer service mode by briefly pressing one of the
three keys. Service mode is automatically terminated after
30seconds of inactivity.
Fault displays
--- No display, there is no fault
ntc Outlet sensor malfunction
ELE Faulty PCB