5-7
Troubleshooting a Low Charger Alarm (LC)
The Low Charger alarm is typically displayed if
battery charging voltage is less than (+)0.4
VDC higher than battery voltage or low light conditions exist and system is charged using a
Solar Power Charger.
Instructions
Step
Procedure
1.
Check battery pack cable. It must make a good secure electrical
connection with the Main Board BAT CONN connector J16 (see
Figure 5–3).
2.
Check battery pack cable is securely connected.
3.
Check Battery Pack charging source in PCCU. Under I/O
Subsystem in the tree view, open ON BOARD and select Auxiliary
I/O. Charger Voltage and Battery Voltage are displayed here. If
Charger is less than +0.4 VDC proceed to Power Troubleshooting
section.
Troubleshooting a Analog to Digital Failure Alarm (AD)
XRC must be have a Measurement Tube Application running to receive this error. If the A to
D Failure alarm code is present, or if the device is in the SLEEP mode, but is still receiving
minimum voltage, it may be necessary to test the data link between the Main Processor
Board and the transducer. Follow the instructions below to check transducer.
Probable causes of receiving the A to D failure include:
•
A/D Converter is Over or Under Range (DP, SP or Tf)
•
Loose wiring Connections
•
Faulty
RTD
Probe
If A to D Converter readings are within range, AD is shaded.
Instructions
Step
Procedure
1.
Begin by collecting data from unit.
2.
View event log in PCCU for codes (see PCCU Help Files for more
information):
–99 A/D converter could not be read
–100 A/D converter could be read again.
3.
If event code is found, follow guidelines for returning Transducer to
Totalflow for repair or replacement. If event code is not found,
continue to next step.
Continued on Next Page
Содержание XRC6490
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Страница 24: ...1 10 XRC 195 Board Specifications Cont Figure 1 5 Complete View XRC 195 Board Continued on Next Page ...
Страница 41: ...1 27 Totalflow Input Output Modules Cont Figure 1 16 XRC6990 Inside View ...
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Страница 56: ...2 14 AC Charging Unit Installation Cont Figure 2 12 DC Wiring Instructions Figure 2 13 AC Wiring Instructions ...
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