English
WILO SE 11/2016
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9 Maintenance
Have maintenance and repair work carried out by qualified skilled personnel only!
DANGER! Risk of fatal injury!
There is a risk of fatal injury from electric shock when working on electrical equipment.
•
The switchgear should be electrically isolated and secured against unauthorised switch-
on during any maintenance or repair work.
•
Any damage to the connection cable should only ever be eradicated by a qualified
electrician.
•
The switchgear must remain clean.
•
Visual inspection of the electrical components of the system in the switchgear.
10 Malfunctions, causes and remedies
DANGER! Risk of fatal injury!
There is a risk of fatal injury from electric shock when working on electrical equipment.
Have malfunctions remedied by qualified skilled personnel only! Observe the safety
instructions under
Fehler! Verweisquelle konnte nicht gefunden werden.
Before performing any work to remedy malfunctions, disconnect the unit from the power
supply, and make sure it cannot be switched back on by unauthorised persons.
10.1 Malfunction indication
When a malfunction is observed, the corresponding LED malfunction indicator turns on, the contact of the
corresponding malfunction signal is activated and the malfunction is displayed on the LCD (malfunction code
number). An additional buzzer sounds for certain malfunctions. This alarm can be switched off with the button
“BUZZER OFF” (Fig. 2, pos. 18) (level of access 1 required).
It is possible to clear the malfunction by pushing the button “CLEAR FAULT” (Fig. 2, pos. 20) (level of access 2
required) or by following the steps described in the menu 6.1.0.0 (level of access 3 required):
