Maintenance - Schneider Altivar 28 Manual De Usario

Maintenance

Servicing
The Altivar 28 does not require any preventative maintenance. It is nevertheless advisable to carry out
the following operations regularly :
- Check the condition and tightness of connections
- Check that the temperature around the unit remains at an acceptable level and that the ventilation is
effective (average service life of fans : 3 to 5 years depending on operating conditions)
- Remove any dust from the speed controller
Assistance with maintenance
If there is a problem when starting up or during operation, firstly check that the recommendations relating
to the environment, mounting and connections have been followed
The first fault detected is memorized and displayed on the screen : the speed controller locks and fault
relay R1 is tripped
Clearing faults
Switch off the speed controller power supply in the event of a fault which cannot be reset
Wait for the LED and the display to go off completely
Find the cause of the fault in order to correct it
Restore the power supply : this will clear the fault if it has disappeared
In some cases there may be an automatic restart after the fault has disappeared if this function has been
programmed (see Atr menu drC page 85)
Display menu
This is used to prevent and find the causes of faults by displaying the speed controller status and its
current values
Spares and repairs
Consult Schneider Electric product support
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