138 Rockwell Automation Publication 520-UM001A-EN-E - February 2013
Chapter 4 Troubleshooting
Common Symptoms and
Corrective Actions
The drive is designed to start from the keypad when shipped. For a basic test of
drive operation:
1. Remove all user I/O wire.
2. Verify safety terminals (S1, S2 and S+) jumper is in place and tightened.
3. Verify wire jumper is in place between I/O terminals 01 and 11.
4. Verify that the three jumpers are in their proper default positions on the
control board. See Control I/O Wiring Block Diagram
on page 32 for
more information.
5. Reset default parameter values by setting P053
[Reset Defalts] to 2
“Factory Rset”.
6. If safe to do so for your application, press Start on drive keypad. Drive will
run according to the speed potentiometer.
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.
F125 Flash Update Req 2 The firmware in the drive is corrupt,
mismatched, or incompatible with the
hardware.
Perform a firmware flash update
operation to attempt to load a valid set
of firmware.
F126 NonRecoverablErr 2 A non-recoverable firmware or
hardware error was detected. The drive
was automatically stopped and reset.
• Clear fault or cycle power to the
drive.
• Replace drive or control module if
fault cannot be cleared.
F127 DSIFlashUpdatReq 2 A critical problem with the firmware
was detected and the drive is running
using backup firmware that only
supports DSI communications.
Perform a firmware flash update
operation using DSI communications to
attempt to load a valid set of firmware.
(1) See Fault Types for more information.
Fault Types, Descriptions and Actions
No. Fault Type
(1)
Description Action
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