POSSIBLE MALFUNCTION INDICATORS
CPU Board
Display Malfunctions
No Keypad Response
RAM Test Fails
Batteries Do Not Recharge
Battery Low Indicator Does
Not Function Correctly
Display Test Fails
Gauge Doesn't Turn "Off"
Beeper Stops (or is erratic)
Gauge Does Not Turn On
When Charger Is Connected
Preamp Board
No Moisture or Density Counts
Batteries Do Not Recharge
Gauge Fails Tube Test
Fails Stability or Drift Tests
HV Board
No Moisture or Density Counts
Moisture or Density Counts are
Unstable
Batteries Discharge
Prematurely
Gauge Fails Stability or Drift
Tests
ERROR MESSAGES
The following error messages are not user-serviceable. Contact
Troxler Technical Support (see page B–11) for more information.
KEY PAD TEST ERROR!
GM TUBE TEST ERROR!
HELIUM TUBE TEST ERROR!
DISPLAY TEST ERROR!
Appendix B–6