Solve Problems Guide; Faults And Diagnoses - WEG ABW16 Manual De Instrucciones

6 SolVe proBleMS guIDe

6.1 FAultS AnD DIAgnoSeS

Fault probable Cause
1. Locking by key activated
(in LOCK position).
2. Circuit breaker is not in
correct position inside the
removal carriage.
3. Removal rod is inserted.
4. Coil (module) of subvoltage
is not energized.
5. There is no voltage of
24Vdc on the connection
Circuit
terminals with the coil (US+;
breaker does
US-).
not turn on
6. Subvoltage coil
disconnected from the
module.
7. Operating mechanism
springs are not charged.
8. Closing coil does not
operate.
9. On button broken.
10. On button stuck (does
not function).
1. Poor operation of the coil
Circuit
and/or subvoltage module.
breaker
2. Springs of the operating
turns off
system out of position.
immediate-ly
when it is
3. Bolts of the operating
turned on
system loose.
Circuit
breaker turns
off when Poor operation of the
the springs operating mechanism.
are being
charged
Corrective Actions
1st Alternative
Deactivate locking by key
(put it in the UNLOCK
position).
Put the circuit breaker in one
of the normal positions of
operation: INSERTED, TEST
or REMOVED.
Remove removal rod.
Apply control voltage to the
subvoltage module.
Replace subvoltage module.
Connect cables of modue to
the terminals US+ and US-.
Manually charge the
operating mechanism
springs.
Apply voltage to the closing
coil.
Replace closing coil.
-
-
Replace the coil and the
subvoltage module.
-
-
-
English
open Circuit Breaker
2nd Alternative
Contact WEG
technical
assistance.
Contact WEG
technical
assistance.
Contact WEG
technical
assistance.
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