Chapter 5 - Troubleshooting - Hitachi SJ/L-EN Ethernet Communications Module Instruction Manual

Chapter 5 – Troubleshooting
In general, the first step to troubleshooting should be to inspect the status LEDs on the SJ/L-EN board, in
addition to the inverter operator/keypad display. These will give valuable clues to the nature of the problem.
Refer to the description of the proper LED indications on page 11.
In addition, the inverter operator/keypad (if installed) will provide diagnostic information for certain types of
errors.
The error code for a communication error is:
The following table summarizes possible error causes and remedies.
Code Trip Name
Ethernet
E60
Communication
Error
Refer also to the inverter's Instruction Manual, Chapter 6, for additional troubleshooting assistance.
E60
Cause
Defective Connectors (plugs &
connection jacks), cable
PC not powered up
That PC is powered on
or not connected to
and connected
inverter
Verify proper Ethernet
Network
setup of SJ/L-EN and
configuration error
master device
Board lockup Check status LEDs
Board defective Check status LEDs
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Chapter 5
Check
Replace or repair; press
STOP/RESET on
inverter keypad, or
apply RST input
Press STOP/RESET on
inverter keypad or apply
RST input
Reconfigure incorrect
settings.
Press STOP/RESET key
on inverter, apply RST
input, or cycle power
Replace SJ/L-EN
Remedy