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Safety input and command status (TEST mode)
With no currently active commands, press the TEST button and check the following:
DISPLAY
POSSIBLE CAUSE
The safety STOP contact is
open.
Sensing edge COS1 not con
nected or incorrectly connected.
Sensing edge
nected or incorrectly connected
(BM20, BR20, BR21, BE20, MO-
NOS4 or BH23 series, if parame
ter is set to
Photocell FT1 not connected or
incorrectly connected.
Photocell FT2 not connected or
incorrectly connected.
LEAF 1 open limit switch not
connected (for BH23 series only
if parameter is set to
LEAF 2 open limit switch not
connected (for BH23 series only
if parameter is set to
If occurs with no voluntary com
mand, the contact (N.O.) may be
faulty or one of the buttons may
be incorrectly connected.
If occurs with no voluntary com
mand, the contact (N.O.) may be
faulty or the timer may be incor
rectly connected.
N.B: press TEST to exit TEST mode.
We recommend troubleshooting safety device and input status errors with "corrective action by software" only.
ACTION BY SOFTWARE
Set the parameter
used or to disable.
COS2 not con
Set the parameter
used or to disable.
)
Set the parameter
if not used or to disable.
Set the parameter
if not used or to disable.
).
).
PHYSICAL CORRECTIVE
ACTION
Install a STOP button (NC) or
jumper the ST contact with the
COM contact.
if not
Jumper contact COS1 with con
tact COM, if not used or to dis
able
if not
Jumper contact COS2 with con
tact COM, if not used or to dis
able.
e
Jumper contact FT1 with contact
COM, if not used or to disable.
Check connection referring to
ure 4).
e
Jumper contact FT2 with contact
COM, if not used or to disable.
Check connection referring to
relative connection diagram
gure 4).
Check connection of limit switch
es.
Check connection of limit switch
es.
Check PP
COM contacts and
connections to buttons.
Check CH
COM contacts and
connections to buttons.
Check AP
COM contacts and
connections to buttons.
Check PED COM contacts and
connections to buttons.
Check ORO COM contacts. Con
tact must not be jumpered if not
used.
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