Troubleshooting The Adfm; Troubleshooting Tables; Troubleshooting On Power-Up - Teledyne ADFM Pro20 Installation And Operation Manual

ADFM® Flow Meter
Section 3 Maintenance and Troubleshooting
3.4 Troubleshooting the
ADFM
3.4.1 Troubleshooting
Tables
Symptom
No wakeup message on LCD or com-
puter screen
No wakeup message on LCD, but com-
puter displays wakeup message when a
manual reset is performed.
No wakeup message on computer
screen, but LCD displays wakeup mes-
sage and completes Built-In-Tests (BIT).
3-6
The following sections provide assistance in locating and iso-
lating faults in the system.
Troubleshooting information for system power-up is provided in
Table 3-1, and for system operation in Table 3-2. Possible
problems and actions are listed in order of likelihood.
Note
Call the factory for assistance before replacing the mother-
board.
Table 3-1 Troubleshooting on Power-Up
Possible Problem(s)
Power
Motherboard
LCD
Front panel interface board
Cable connection between LCD and
front panel
Cable connection between front
panel interface board and mother-
board.
Motherboard
RS-232 connection
Incorrect port settings on computer
Front panel interface board
Motherboard
Action(s)
Verify battery voltage and connec-
tions. Verify connection to external
DC supply.
Contact the factory.
Replace LCD
Replace front panel interface board
Replace ADFM Motherboard.
Troubleshoot cabling
Adjust communication port settings
on computer
Replace front panel interface board
Replace motherboard.