43
Cause
Remedy
The service time, as specified by your heating contrac-
tor, has arrived.
Proceed as described on page 37.
"Panel locked" is displayed
Cause
Remedy
The control panel is locked.
Unlock it (see page 32).
"External hook-up" is displayed
Cause
Remedy
The operating program set at the control unit has been
switched over by an external device, e.g. EM-EA1 ex-
tension.
No action required. Once the external changeover no
longer applies, the set operating program becomes ac-
tive again.
What to do if...
ë
and "Service" are displayed
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Summary of Contents for Vitovalor PT2
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