Rockwell Automation 2711-M3A18L1_M3A19L1 PanelView 300 Micro Terminals Installation Instructions - Manual (Page 20)

20 PanelView 300 Micro Terminal
41061-156-01(A)
Troubleshooting and Maintenance
The troubleshooting chart below lists common operating problems, causes and
corrective steps.
Problem Causes Corrective Action
Terminal does not powerup 1. Improper connection to
power source.
2. Incorrect input voltage level.
3. Power terminal block
removed.
4. DC power wires reversed.
1. Verify correct voltage at
power terminals.
2. Verify power source output
is between 11 - 30V dc.
3. Snap power terminal block
onto base on back of
terminal.
4. Connect DC power positive
and negative wires to
correct terminals.
Application File will not
download (first download) 1. Communication cable
disconnected.
2. Incorrect baud rate or
communication settings.
3. Incorrect computer COM
port selection.
1. Check communication cable
type and connections.
2. Verify computer and
terminal are set to same
communication settings.
3. Verify correct COM port
number in WinPFT or
PanelBuilder32 software.
Application File will not
download (subsequent
downloads) 1. Incorrect communication or
baud rate settings.
1. Verify computer and
terminal have same
communication settings.
Change settings in
Communication setup
screen of terminal.
No communication with
MicroLogix, ControlLogix, SLC
or PLC controller. 1. Communications Comm
fault.
2. Incorrect baud rates.
3. Controller not in run mode.
4. Incorrect terminal node and
max node addresses.
1. Check Comm indicator. See
page 19.
2. Verify controller and
terminal set to same baud.
3. Place controller in run mode.
4. Verify node addresses.
No communication with
controller but Comm indicator
is active. 1. Incorrect node address of
controller.
2. Inhibit bit set as default on
PLC channel status screen.
1. Verify node address of
controller.
2. Change inhibit bit setting.
Clock Module Battery Low
message displayed. 1. Internal parameters corrupt.
2. Clock module battery failure.
1. Reload application and cycle
power to terminal.
2. Replace terminal.
Screen objects do not
function. 1. Communication problem. 1. Check status of Comm
indicator.