Troubleshooting
Troubleshooting
Troubleshooting
NOTE:
NOTE:
NOTE: Check all possible remedies before disassembling the system.
Problem
Problem
Problem
Cause
Cause
Cause
Solution
Solution
Solution
The Modbus settings are
incorrect.
Make sure node communication is turned on.
Verify the Modbus settings on the Pump Control Module.
• The control location is set to remote.
• The Modbus node ID is set for the correct pump.
• The serial port baud rate is set to 57600.
See
.
The dip switch settings
are incorrect.
Verify the dip switch settings on
the fiber to serial converter.
See
Set DIP Switches on the Fiber Optic Converters, page 32
• Switch 1: On
• Switch 2: On
• Switch 3: On
• Switch 4: On
• Switch 5: Off
• Switch 6: On
• Switch 7: Off
• Switch 8: On
• Switch 9: Off
• Switch 10: Off
• Switch 11: Off
• Switch 12: Off
• Main Switch: Set to RS-422/485
The Supervisor
Box (A) cannot
communicate with
the Pump Control
Module (PD) or the
Tank Control Module
(TD).
3A4030C
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