Troubleshooting - SMC Networks EX600-HT1A Operation Manual

Troubleshooting

No. Failure
1 POWER LED is OFF.
2 ERROR LED is ON.
LCD display does not turn
3
ON.
"Warning System access
is not completed.•••••"
4
is displayed.
5 The unit displays "?".
6 Other Errors.
Possible cause
Power supply error.
Connection failure of the
cable for Handheld
Terminal.
EX600 diagnostic error.
POWER SAVE mode.
LCD failure.
Connection failure of the
cable for Handheld
Terminal.
EX600 units are not
connected properly.
Configuration memory
error.
EX600 units are not
connected properly.
Failure of Handheld
Terminal.
-50-
Troubleshooting
•Check whether "PWR" LED of the SI unit lights up in
green.
•Refer to the operation manual of the unit, and supply
a voltage of 24 VDC ±10% to the SI unit power supply
for control and input.
Check the cable for Handheld Terminal.
Check the error in the diagnostic data check mode.
Refer to the error code list and Operation Manual for
the unit, and take the appropriate countermeasure for
the error.
Press the button and check whether the LCD
display turns ON.
Stop using the product. Contact your sales
representative.
Check the cable for Handheld Terminal.
If the "ST(M)" LED of the SI unit is flashing in red and
green alternately, check whether the units are
connected properly.
Check that the layout of the manifold has not been
changed. Refer to the error code list and Operation
Manual for the unit, and take the appropriate
countermeasure for the error.
If the "ST(M)" LED of the SI unit is flashing in red and
green alternately, check whether the units are
connected properly.
Stop using the product. Contact your sales
representative.
No.EX※※-OML0011-C