Campbell CR200 Manuel de l'opérateur Page 169

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Section 18. Troubleshooting
18.3 Power Supply
18.3.1 Overview
Power supply systems may include batteries, charger/regulators, and charging
sources such as solar panels or transformers. All of these components may need
to be checked if the power supply is not functioning properly.
Diagnosis and Fix Procedures (p. 156) includes the following flowcharts:
Battery Voltage Test
Charging Circuit Test (when using an unregulated solar panel)
Charging Circuit Test (when using a transformer)
Adjusting Charging Circuit
If all of the power supply components are working properly and the system has
peripheral(s) with high current drain(s) such as satellite transmitter, verify that
the system's power supply provides enough power. For more information, refer
to our Power Supply product literature or Application Note.
18.3.2 Troubleshooting at a Glance
Symptoms:
Possible symptoms include the CR200(X) program not executing;
WatchDogCnt in the Status table displaying a non-zero number.
Affected Equipment:
Batteries, charger/regulators, solar panels, transformers
Likely Cause:
Batteries may need to be replaced or recharged; charger/regulators may
need to be fixed or recalibrated; solar panels or transformers may need to be
fixed or replaced.
Required Equipment:
Voltmeter; 5 kohm resistor and 50 ohm 1 W resistor for the charging circuit
tests and to adjust the charging circuit voltage
155
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