Campbell CR800 Series - Battery Test; Troubleshooting Power Supplies - Examples; Troubleshooting Power Supplies - Procedures

Section 10. Troubleshooting
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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 Power Supplies — List
(p. 576).
10.9.2 Troubleshooting Power Supplies — Examples
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.
10.9.3 Troubleshooting Power Supplies — Procedures
Required Equipment:
o Voltmeter
o 5 kΩ resistor
o 50 Ω, 1 watt resistor for the charging circuit tests and to adjust the
charging circuit voltage.
10.9.3.1 Battery Test
The procedure outlined in this flow chart tests sealed-rechargeable or alkaline
batteries in the PS100 charging regulator, or a sealed-rechargeable battery
attached to a CH100 charging regulator. If a need for repair is indicated after
following the procedure, see Assistance
(p. 5) for information on sending items to
Campbell Scientific.