Fault Elimination - ABB 6401 U-102-500 Manual Del Usuario

Fault Elimination

Diagnosis
Load does not switch
via extension:
Load does not generally - Change defective load
switch:
Load switches on
independently:
IR receiver/consumer
does not react:
LED of the
IR C-disc is OFF:
Cause/Remedy
- Check extensions
- Reduce ripple voltage > 100 V
- Replace device if necessary
- Reduce ripple voltage > 100 V
- Remedy incorrectly laid line
(see chapter "Installation")
- IR receiver is not within
IR transmission range
- IR transmission range is
covered
(objects, hands or bodies)
- Battery is dead
- Remove extraneous IR light
source
- Apply supply voltage
- Disconnect supply voltage for
approx. 5 seconds
GB