10.5.2 Drive Safety Faults
More information about drive fault messages, remedy and clearing faults can be found in the
WorkBench User Manual.
#
Description
Cause
Remedy
F9000
Safe torque off.
STO function has been triggered.
Reapply supply voltage to STO if safe to do
so.
F9004
Safe torque off digital
and analog lines don't
match
Hardware fault on the power
board.
Contact Customer Support
F9005
STO Simultaneity
The two STO inputs did not
change state within 100 ms of
each other.
Check wiring and safety apparatus
10.5.3 Drive Safety Warnings
More information about drive warnings can be found in the WorkBench User Manual.
#
Description
Cause
Remedy
W9000 Safe torque off.
STO function has been triggered. Reapply supply voltage to STO if safe to do so.
10.5.4 Troubleshooting safety functionality
Eliminate errors and faults in compliance with work safety rules. Troubleshooting only by
qualified and trained staff.
Problem
Possible Causes
Remedy causes
A group "90" safety fault or
safety warning message is
visible in the drive LCD dis-
play
Refer to the Drive Safety Fault and Warning tables (
A fault or warning message
of another group than "90"
is visible in the drive LCD
display
Refer to the drive fault and drive warnings tables (
# 130) and more detailled
descriptions in the WorkBench User Manual.
Safety faults and warnings
are not visible/reported
is set to 0
STO cannot be deactivated
(no torque)
1. External safety device defect-
ive.
2. STO wiring defective.
3. Auxiliary voltage low.
4. STO inputs defective.
5. F9004 visible
6. F9005 visible.
7. OSSD pulses too long (>1ms).
8. STO channels are unequal for
more than 100ms.
1. Check external safety device.
2. Check STO wiring for short-circuit or sim-
ilar.
3. Check voltage level (
# 138) .
4. Send drive to manufacturer for repair.
5. Send drive to manufacturer for repair.
6. Check safety hardware system.
7. Check safety controller. Switch off OSSD.
8. Check external safety device.
Drive does not enable
1. STO is still active.
1. Deactivate STO prior to HW Enable.
AKD2G-S Installation Manual, Safety 1 | 10 Safety Manual
Kollmorgen | kdn.kollmorgen.com | S102, April 2020
145