IV352 Rev.02
Date Issue:
2012-10-27
Page 124 di 232 + FR
6.4. RS485 Card Specification
6.5. RS485 Card Trouble Shooting
In most situations, the RS485 card requires very little care. However, if RS485 card is not able to work
perfectly, please refer the following instruction before calling your local dealer.
Possible actions
PWR(Power) LED is off
RS485 card is not inserted well, please insert it
again
Check whether inverter is active
Check whether Inverter is shut down
Check whether RS485 card is damaged
Yellow LED is off
Check whether Inverter runs normally.
Check whether the cables and wiring are set up
properly, please refer to chapter 3.1 RJ-45 pin
definition
Check whether the cables are too long for
proper transmission, total distance should be
less than 800M
Check whether the ambient temperature is
within -10
ഒ
~ 70
ഒ
.
