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Section 6. Maintenance and Troubleshooting
6-3
1 year
• Replace anemometer bearings.
• Calibrate the rain gage.
• Calibrate the HMP45C/HMP35C probe.
• Check calibration of CS500 RH Probe; replace RH chip if necessary.
• Check internal RH chip (MetData1 and ET101/106 only). Replace if >5%
off.
2 years
• Calibrate the solar radiation sensors (some users suggest yearly).
• Calibrate the temperature sensor.
• Replace the wind vane potentiometer and bearings.
4 - 5 years
• Replace sensor cables as required.
6.2 Troubleshooting
6.2.1 No Response Using the Keypad
Check keypad response after each of the following steps.
A. Make sure the battery has been installed, and the power switch, if any, is
"ON" (Section 7).
B. Use a voltmeter to measure the voltage on the 12 V and G terminals; the
voltage must be between 9.6 and 16 VDC.
C. Disconnect any sensor or peripheral wires connected to the 5 V and 12 V
terminals.
D. Disconnect any communications or storage peripherals from the
datalogger.
E. Reset the datalogger by turning the power switch to "OFF", then to "ON"
or disconnecting and reconnecting the battery.
F. If still no response, call Campbell Scientific.
6.2.2 No Response from Datalogger through SC32A or Modem
Peripheral
At the datalogger:
A. Make sure the battery has been installed, and the power switch, if any, is
"ON" (Section 7).
B. Use a voltmeter to measure the voltage on the 12 V and G terminals; the
voltage must be between 9.6 and 16 V DC.