Pump-specific troubleshooting – Progressive International Electronics RLM User Manual
Page 52

Progressive International Electronics
RLM
Version 1.1 / November 98
Page 43
rlminstl.mnl
Diagnostics
Pump-Specific Troubleshooting
Gilbarco
PROBLEM
RECOMMENDATION
Reverse LED (D4) is on.
Rotate connector J4 on adapter board 180 degrees.
LED (D3) is off and never flashes.
Console/POS not communicating with pumps.
LED (D4) is on solid.
Adapter cable connected incorrectly.
Wrong type adapter communications input used
— RS422/current loop.
For current loop operation, connect adapter
harness to J4 and place jumper on J5. For RS422
operation, connect adapter harness to J3 and place
jumper on J2.
Defective cable.
All communications down on
Make sure the correct adapter cable is connected.
console/POS to pumps.
Adapter cable connected incorrectly.
Wrong type adapter communications input used
— RS422/current loop.
For current loop operation, connect adapter
harness to J4 and place jumper on J5. For RS422
operation, connect adapter harness to J3 and place
jumper on J2.
Defective cable.