Staubli CS8C, Instruction Manual

Page: 172 / 248

© Stäubli 2009 –
D28070504A
CS8C 172 / 248
8.5.3.2.
CASE
2
•
Check that
D1
circuit breaker is on position
1
.
•
If
D1
circuit breaker does not remain on position
1
, change
ARPS
and / or
D1
circuit
breaker.
•
Check input fuses
(F1, F2, F3)
:
•
Fuses are
10 x 38 mm
type,
500V
for standard controllers.
•
Check voltages at the input of the controller (L1, L2, L3).
•
Check voltages after the transformer. At this point, voltages are
230 VAC ±10%
for all
the input voltages.
•
Change
D1
circuit breaker.
To change
D1
or
D2
circuit breakers, remove
PSM
.
Problem:
D1
circuit breaker light is off.
Solution:
DANGER:
Main switch
S1
should be in off position AND main power to the controller has
to be disconnected.
Orange wires inside
PSM
indicate that dangerous voltage remains even if
S1
is off.
?