Description of Fault Codes
‑29‑
Description:
The communication between MCU and FPGA cannot be established.
Cause
Troubleshooting
Solution
The communication
between MCU and FPGA
cannot be established.
The fault persists after the
servo drive is powered off
and on repeatedly.
Replace the servo drive.
● E102.1: FPGA initialization start error
Description:
FPGA failed.
Cause
Troubleshooting
Solution
FPGA cannot start.
The fault persists after the
servo drive is powered off
and on repeatedly.
Replace the servo drive.
● E102.8: FPGA and MCU version mismatch
Description:
FPGA and MCU version mismatch.
Cause
Troubleshooting
Solution
The software versions of
MCU and FPGA are
inconsistent.
1. Check whether the MCU
version (H01.00) is 9xx.x
(the fourth digit displayed
on the keypad is 9);
2. Check whether the FPGA
version (H01.01) is 9xx.x
(the fourth digit displayed
on the keypad is 9).
Contact Inovance for
technical support. Update
the FPGA or MCU software.
● E104.1: MCU running timeout (MCU break down)
Description:
The access to MCU times out.
Cause
Troubleshooting
Solution
1. FPGA failure
The fault persists after the
servo drive is powered off
and on repeatedly.
Replace the servo drive.
2. FPGA and HOST
communication
handshaking error
3. Access timeout occurs
between HOST and the
coprocessor
● E104.2: Current loop operation timeout (FPGA break down)
Description:
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