Instruction manual

Troubleshooting Tank Gate Interface
92 Installation and Operations Manual
8.2.2 LED Displays under Abnormal Conditions
The table below lists the abnormal conditions of the four indicator lights. From this table the
user should be able to pinpoint the cause and derive a solution to the problem.
8.2.3 Using the Tank Gate Interface Push-buttons
Reinitializing System Hardware
To reinitialize the system hardware
• Press the RESET Switch.
This action causes it to go to a known starting state. This switch may be pressed at any time;
however, the following will also occur:
• Reinitialize System Hardware
• Clear Working Memory
• Reinitialize Data Base
• Reset All Timers
• Disable Outputs
• Enable Communications
• Present Sign-on Message to Diagnostic Terminal
Indicator Condition Cause Solution
Run Does not flash
(even after hard
reset)
Bad database
Bad main circuit
board
Perform Hard Reset then reload
database
Replace main circuit board
Steady ON/OFF system failure
Communication Steady state DIP switch
setting
Check unit ID DIP switch
setting: set ID number and reset
system
COM point Check COM point with
diagnostics terminal or ViewRTU
COM parameters Verify time-out, baud, and
protocol parameters have the
correct values set
bad
communications
Check for bad communication
line, modem board or main
circuit board
wrong jumper
settings
Check SW1 & SW2 for proper
settings