E-Stop Safety Modules with Adjustable Delay – Models ES-TN-14H5/-14H6
Clearing Faults
To clear a fault condition, first correct the problem and then cycle the E-stop inputs to
the module. When the Fault LED lights, the corresponding Function LED will flash to
indicate the problem. If the Fault LED is flashing, refer to “Repairs,” on page 16.
LED Indication Fault and Probable Cause
POWER
FAULT
E-STOP
RESET
MONITOR
OUT
TIMED-OUT
ON
ON
FLASHING
OFF
ON or OFF
OFF
OFF
E-Stop Input Fault
a) Jumper on S21-S22 missing if configured for 1-Channel E-Stop (S4/S4.1 = 1).
b) Simultaneity fault on opening of E-Stop input channels (S11-S12 and S21-S22 must open
within 2 seconds of each other).
c) Short circuit between channels.
d) E-Stop input short circuit to power or common.
POWER
FAULT
E-STOP
RESET
MONITOR
OUT
TIMED-OUT
ON
ON
ON or OFF
FLASHING
ON or OFF
OFF
OFF
Reset Input Fault
a) Jumper on X1-X2 missing if configured for Auto Reset (S1/S1.1 = 1).
b) Reset input short circuit to power or common.
c) X1-X2 jumpered when configured for Manual Reset (S1/S1.1 = 0).
POWER
FAULT
E-STOP
RESET
MONITOR
OUT
TIMED-OUT
ON
ON
ON or OFF
ON or OFF
FLASHING
OFF
OFF
Monitoring Input Fault
a) One or both monitoring inputs are open during reset.
b) In 2-Channel Monitoring, inputs are not in the same state within 200 milliseconds of each
other after the N.O. outputs close.
c) In 1-Channel Monitoring, the X3-X4 input was not closed during reset.
d) In 1-Channel Monitoring, the jumper on X5-X6 is missing.
POWER
FAULT
E-STOP
RESET
MONITOR
OUT
TIMED-OUT
ON
FLASHING
ON or OFF
ON or OFF
ON or OFF
OFF
OFF
Internal Fault
a) Internal relay failure.
b) Incorrect check sum.
c) Other internal fault.
POWER
FAULT
E-STOP
RESET
MONITOR
OUT
TIMED-OUT
ON
ON
ON or OFF
ON or OFF
ON or OFF
OFF
OFF
Configuration Fault
a) DIP switch blanks do not match.
b) DIP switches changed while powered up.
c) Time-delay rotary switches do not match.
d) Time-delay rotary switches changed while powered up.
Cycle the power OFF, then ON to clear the fault.
POWER
FAULT
E-STOP
RESET
MONITOR
OUT
TIMED-OUT
ON
ON
FLASHING
ON
ON or OFF
OFF
FLASHING
E-Stop Release Fault
a) In Auto-Reset, the E-Stop button was re-armed (closed) before timed-out (K3-K4
de-energized).
POWER
FAULT
E-STOP
RESET
MONITOR
OUT
TIMED-OUT
ON
ON
ON
ON or OFF
ON or OFF
OFF
FLASHING
Cancel Delay Input Fault
a) In Auto Reset mode, the E-Stop button was re-armed (closed) with cancel delay input closed.
b) In Manual Reset mode, the E-Stop button was re-armed (closed) and the reset button pushed
and released with cancel delay input closed.
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