Stiebel Eltron RTF-TC Instructions page 10

RTF-TC / RTU-TC
FIG. 9 - TROUBLESHOOTING
If the sensor is disconnected or short-circuited, the heating system
is switched off. The sensor can be checked against the resistance
table.
Error codes
E0: Internal fault. The thermostat must be replaced.
E1: Built-in sensor defective or short-circuited. Replace the ther-
mostat, or use the floor sensor only.
E2: External sensor disconnected, defective or short-circuited.
Reconnect the sensor if disconnected, or replace the sensor.
E5: Internal overheating. Inspect the installation.
CE marking
According to the following standard:
LVD/EMC: EN 60730-1
Classification
Protection from electric shock must be assured by appropriate
installation. Appropriate installation must meet the requirements of
Class II (enhanced insulation).
Environment and recycling
Please help us to protect the environment by disposing of the
packaging in accordance with national regulations for waste
processing.
Recycling of obsolete appliances
Appliances with this label must not be disposed of with
general household waste. They must be collected
separately and disposed of in compliance with local
regulations.
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