Savin P7026 Manual do Utilizador descarregar pdf (Página 122)

PET-70216/ET-7026 User Manual, version 1.0.1 beta1, Page: 122

Appendix D. Troubleshooting

A number of common problems are easy to diagnose and fix if you know the cause.

Symptom/Problem

Possible cause

Solution

The Run LED doesn‟t light

Internal power has failed

Return the module for repair.

The Run LED indicator is

ON (light), but not flashing.

The module has possibly

crashed.

Reboot the module

Cannot communicate via

the Ethernet port, but the

PET-7000/ET-7000 is still

operating.

The IP/Mask/Gateway

address isn‟t within the IP

address range of the

LAN.

Change the

IP/Mask/Gateway address to

match the LAN, or ask the

MIS administrator for

assistance.

The IP address has

restricted by the IP filter

settings

Check the IP filter setting

using the Web configuration.

There are more than 30

TCP/IP connections.

Reboot the module.

Able to explore the web

page through port 80 using

a web browser, but the Web

HMI and Modbus/TCP

program cannot access the

module through port 502.

Port 502 has been

restricted by the firewall.

Consult your MIS

administrator for assistance.

The Web HMI and

Modbus/TCP program can

access the module through

port 502, but Web browser

cannot explore the web

page through port 80 using

a web browser.

The Port 502 has

restricted by the firewall.

Consult your MIS

administrator for assistance.

The Web Configuration

function has been

disabled. (Shown on the

Basic Settings page)

Enable the Web

Configuration function using

either the SMMI or the

console.

The Web server TCP port

has been changed from

port 80 (Shown on the

Basic Settings page)

Change the TCP port to 80

or reconnect the

PET-7000/ET-7000 using the

specific TCP port.

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