Graco 249021 Series B, 249020 Series B, 117256 Series C Troubleshooting, Problem Cause Solution

Page 15

 

 

Troubleshooting

Troubleshooting

 

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

Transceiver will not com-

Incorrect COM port selected for trans-

Ensure correct COM port is selected.

municate to meters and

ceiver.

 

TLMs

 

 

Communication (serial) cable is not

Verify that communication cable con-

 

 

connected between the transceiver and

nects transceiver to PC correctly. See

 

PC.

page 6.

 

 

 

 

Transceiver is not powered up.

Verify transceiver is powered up.

 

 

 

 

You attempted to communicate while

Wait for red lights on transceiver to go

 

red lights on transceiver were on.

blank before attempting to communi-

 

 

cate.

 

 

 

 

Transceiver dipswitches are not set for

Verify transceiver dipswitches are set

 

correct communication (serial) cable.

for appropriate communication (serial)

 

 

cable. See pages 10 and 11.

 

 

 

 

Transceiver is out of RF range of

Ensure transceiver is located within RF

 

meters or TLMs.

range of meters and TLMs.

 

 

 

Transceiver communi-

Transceiver is out of RF range of

Ensure transceiver is located within RF

cates intermittently to

meters or TLMs.

range of meters and TLMs.

some meters and TLMs.

 

 

Two meters or TLMs are programmed

Verify that each meter and TLM is cor-

 

 

to the same address.

rectly programmed to a unique

 

 

address.

 

 

 

309498H

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Contents Transceiver Manual Conventions ContentsFire and Explosion Hazard One -Transceiver Facility Layout Typical Transceiver InstallationsTwo -Transceiver Facility Layout Transceiver ConnectionsTransceiver Connection/Wiring Connection Transceiver Dipswitch Settings Removing the Transceiver Cover Changing Dipswitch SettingsDipswitch Setting using RS232 Connection Dipswitch Setting using RS422 Connection RS422 Cable SettingsComponents Mounting Bracket Function Description Transceiver DiagnosticsIndicator Diagnostic Definition OperationPart No. Description Transceiver PartsProblem Cause Solution TroubleshootingTransceiver Technical DataMounting Bracket Hole Dimensions DimensionsGraco Information Graco Standard Warranty