Rockwell Automation Publication 520-UM001K-EN-E - August 2021 161
Chapter 4 Troubleshooting
F082 Opt Comm Loss 2
Communications between the drive
and the network option card have
been interrupted.
•Cycle power.
• Reinstall option card in drive.
• Modify using C125
[Comm Loss
Action].
• Replace wiring, port expander,
option card, or control module.
F083
(3)
EN Comm Loss 2
Internal communications between the
drive and the embedded EtherNet/IP
adapter have been interrupted.
•Cycle power.
• Check EtherNet/IP setting.
• Check drive’s Ethernet settings
and diagnostic parameters.
• Modify using C125
[Comm Loss
Action].
•Replace wiring, Ethernet switch, or
control module.
F091
(3)
Encoder Loss 2
Requires differential encoder.
One of the 2 encoder channel signals
is missing.
•Check Wiring.
•If P047, P049, P051 [Speed
Referencex] = 16 “Positioning” and
A535 [Motor Fdbk Type] = 5 “Quad
Check”, swap the Encoder channel
inputs or swap any two motor
leads.
• Replace encoder.
F094 Function Loss 2
“Freeze-Fire” (Function Loss) input is
inactive, input to the programmed
terminal is open.
Close input to the terminal and cycle
power.
F100
Parameter
Chksum
2
Drive parameter non-volatile storage
is corrupted.
Set P053
[Reset To Defalts] to 2
“Factory Rset”.
F101 External Storage 2
External non-volatile storage has
failed.
Set P053 [Reset To Defalts] to 2
“Factory Rset”.
F105 C Connect Err 2
Control module was disconnected
while drive was powered.
Clear fault and verify all parameter
settings. Do not remove or install the
control module while power is
applied.
F106 Incompat C-P 2
The PowerFlex 525 control module
does not support power modules with
0.25 HP power rating.
• Change to a different power
module.
• Change to a PowerFlex 523 control
module.
F107 Replaced C-P 2
The control module could not
recognize the power module.
Hardware failure.
• Change to a different power
module.
• Replace control module if
changing power module does not
work.
F109 Mismatch C-P 2
The control module was mounted to a
different drive type power module.
Set P053
[Reset To Defalts] to 3
“Power Reset”.
F110 Keypad Membrane 2
Keypad membrane failure /
disconnected.
•Cycle power.
• Replace control module if fault
cannot be cleared.
F111
(3)
Safety Hardware 2
Safety input enable hardware
malfunction. One of the safety inputs
is not enabled.
• Check safety input signals. If not
using safety, verify and tighten
jumper for I/O terminals S1, S2, and
S+.
• Replace control module if fault
cannot be cleared.
F114 uC Failure 2 Microprocessor failure.
•Cycle power.
• Verify grounding requirements.
See General Grounding
Requirements on page 20 for more
information.
• Replace control module if fault
cannot be cleared.
F122 I/O Board Fail 2
Failure has been detected in the drive
control and I/O section.
•Cycle power.
• Replace drive or control module if
fault cannot be cleared.
Fault Types, Descriptions, and Actions (Continued)
No. Fault
Type
(1)
Description Action