Section 10. Troubleshooting
10.9 Troubleshooting — Power Supplies
Related Topics:
• Power Supplies — Specifications
• Power Supplies — Quickstart
(p. 44)
• Power Supplies — Overview (p. 85)
• Power Supplies — Details (p. 100)
• Power Supplies — Products (p. 657)
• Power Sources (p. 101)
• Troubleshooting — Power Supplies (p. 494)
10.9.1 Troubleshooting Power Supplies — Overview
Power-supply systems may include batteries, charging regulators, and a primary
power source such as solar panels or ac/ac or ac/dc transformers attached to mains
power. All components may need to be checked if the power supply is not
functioning properly.
The section Diagnosis and Fix Procedures
(p. 495) includes the following
flowcharts for diagnosing or adjusting power equipment supplied by Campbell
Scientific:
• Battery-voltage test
• Charging-circuit test (when using an unregulated solar panel)
• Charging-circuit test (when using a transformer)
• Adjusting charging circuit
If power supply components are working properly and the system has peripherals
with high current drain, such as a satellite transmitter, verify that the power supply
is designed to provide adequate power. Information on power supplies available
from Campbell Scientific can be obtained at www.campbellsci.com. Basic
information is available in the appendix Power Supplies
(p. 657).
10.9.2 Troubleshooting Power Supplies — Examples -- 8 10 30
Symptom:
o CRBasic program does not execute.
o Low12VCount of the Status table displays a large number.
Possible affected equipment:
o Batteries
o Charger/regulators
o Solar panels
o Transformers
Likely causes:
o Batteries may need to be replaced or recharged.
o Charger/regulators may need to be fixed or re-calibrated.
o Solar panels or transformers may need to be fixed or replaced.
494
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