Campbell Scientific CR3000 Micrologger - Manual (Page 439)

Section 10. Troubleshooting
439
10.5.2 Troubleshooting Power at a Glance
Symptoms:
Possible symptoms include the CR3000 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‐kΩ 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.