Siemens 3TK2810-1 - Corrective Actions and Fault Behavior

Diagnostics/troubleshooting
7.3 Corrective action
3TK2810-1 safety-related speed monitor
56 System Manual, 01/2011, 926246402000 DS 02
7.3 Corrective action
Error message SF LED Error Diagnosis Device response
Simultaneity of protective
door not fulfilled
Red Simultaneity was not
fulfilled
Check position switch Restart or reset
Speed sensor defective Red Parameterized speed
sensor does not return
a signal or returns an
incorrect signal
• Check plug-in connection
or terminal connection
• Check signal cables
• Check speed sensor
Restart or reset
Fault on external
contactors (switch off)
Red Device stopped and RF
contacts do not close
• Check connection cables
• Check contactors
Device switches to the safe
state. Restart or reset
following correction of the
fault
Fault in the feedback
circuit (RF)
Red Impermissible signal on
RF
• Check wiring (wire break
or short-circuit)
Device switches to the safe
state. A restart is
necessary following
correction of the fault
Fault at the position
switch input (P1/P2)
Red Impermissible signal at
the position switch
input
• Check wiring (wire break
or short-circuit/cross-
circuit)
Device switches to the safe
state. A restart or reset is
necessary following
correction of the fault
Fault at the start input
(ST)
Red Impermissible signal at
the start input
• Check wiring (wire break
or short-circuit/cross-
circuit)
Device switches to the safe
state. A restart or reset is
necessary following
correction of the fault
Fault at the
setup/automatic input
(EA1/EA2)
Red Impermissible signal at
the setup/automatic
input
• Check wiring (wire break
or short-circuit/cross-
circuit)
Device switches to the safe
state. A restart is
necessary following
correction of the fault
Fault at the magnet
contact input (MAG)
Red Impermissible signal at
the magnet contact
input
• Check wiring (wire break
or short-circuit/cross-
circuit)
Device switches to the safe
state. A restart or reset is
necessary following
correction of the fault
Fault in the cable
connection to the adapter
(3TK2810-1A, 3TK2810-
1B)
Red Fault in the cable
connection to the
adapter (3TK2810-1A,
3TK2810-1B)
• Check plug-in connectors
of the connecting cable
• Check connecting cable
• Check power supply of
the adapter
Device switches to the safe
state. A restart or reset is
necessary following
correction of the fault
Feedback circuit 1 does
not close in time
Red Switch-off monitoring
time exceeded
• Check wiring at the
outputs (short-circuit)
• Check external
contactors
Device switches to the safe
state. A restart or reset is
necessary following
correction of the fault