WEG ABW16 Manual De Instrucciones página 72

open Circuit Breaker
Fault probable Cause
Circuit
breaker turns
on but the Contacts do not close.
current does
not flow
1. Off button broken.
2. Off button stuck (does not
function).
Circuit
breaker does
not turn off
3. Opening coil does not
work.
1. Manual charging is not
possible because the rod is
broken.
Charging of
2. Electrical charging
the springs
(automatic) does not occur.
does not
occur
3. Motorized activation
functions but does not
charge the springs.
1. Loose cable or bar
connections to the power
terminals.
2. Insufficient pressure in
the springs of the claws of
the contacts of the removal
carriage.
Over-heating
3. High resistance in the
power circuits.
4. Power contacts worn out.
5. Overload
72 | ABW
Corrective Actions
1st Alternative
Check if there is a foreign
object between the fixed
contact and the moveable
contact inside the
extinguishing chamber.
-
-
Apply voltage to the opening
coil.
Check the connections of
the opening coil (faston
terminals).
Remove the opening coil
and test it in an isolated way,
applying normal voltage to its
terminals.
Replace opening coil.
-
Apply voltage to the
motorized activation.
Check the connections of the
motorized activation (faston
terminals)
-
Retighten according to
recommended torque.
Replace removal carriage.
Clean the contacts.
Replace circuit breaker.
Replace circuit breaker with
a model that meets the load
current.
English
2nd Alternative
Contact WEG
technical
assistance.
Contact WEG
technical
assistance.
Contact WEG
technical
assistance.
Contact WEG
technical
assistance.