Campbell CR850, Operator'S Manual

Page: 415 / 566

Section 10. Troubleshooting
415
10.5.2 Troubleshooting Power at a Glance
Symptoms :
Possible symptoms include the CR800 program not executing;
Low12VCount of the Status table displaying a large 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 ‐ k Ω resistor and a 50 ‐Ω 1 ‐ W resistor for the charging circuit
tests and to adjust the charging circuit voltage.
10.5.3 Diagnosis and Fix Procedures
10.5.3.1 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
Warranty and Assistance
(p. 3)
for information on
sending items to Campbell Scientific.