41
Cause
Remedy
The screed drying function is enabled.
Wait until the function terminates (can
take up to 30 days).
"External hook-up" is displayed
Cause
Remedy
The operating program was changed by
an external device (e.g. connection ex-
tension).
No rectification is required. The operating
program has been manually set to
change over.
"External program" is displayed
Cause
Remedy
The operating program has been
changed by the Vitocom communication
interface.
You can change the operating program.
Follow the instructions in the menu.
"Ext. set room temperature" is displayed
Cause
Remedy
A set room temperature has been input
via the Vitocom communication interface.
You can change the standard room tem-
perature (see page 19). This will cancel
the external hook-up.
—
" " and " " are displayed
Cause
Remedy
Wireless connection interference or inter-
ruption.
Inform your local heating contractor.
What to do if...
"Screed drying" is displayed
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Содержание VITOTROL 300 RF
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