Troubleshooting - STIEBEL ELTRON FFB 1 SL Electronic Comfort Bedienungs Und Installationsanleitung Handbuch

5. Troubleshooting on the radio remote control
Fault
Temperatures cannot be
set > 43 °C
The instantaneous water heater is
not responding, weak display on
the radio remote control unit
"CON" permanently displayed on
the radio remote control unit
Table 2
Cause
Dynamic anti-scald protection is on Dynamic anti-scald protection goes off automatically 2 minutes after the end
Low batteries
Radio remote control unit not
logged into the heater
Remote control unit is out of the
transceiver module's range
Transceiver module not correctly
connected to the heater
for the user and the qualified installer
Remedy
of drawing water
Change batteries in the radio remote control unit
Qualified installer: Log in the radio remote control unit
Reduce the distance between the radio remote control unit and the heater
Qualified installer: check the connection of the transceiver module to
the heater
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