Brookfield LFRA Texture Analyzer - Manual (Page 29)

Brookfield Engineering Labs., Inc. Page 9 Manual No. M/05-370-B0507
Appendix B - Troubleshooting
If no power to the instrument:
Check:
• User replaceable fuses: two (2) fuses, 4 amp, 5 x 20mm, time-lag
• Fuses located within power entry module on the rear of the instrument.
• If fuses blow continually, serious damage to the instrument could result. Contact repair
services immediately.
Probe won’t attach:
• Check thread on probe and probe shaft - remove any dirt
Base table won’t move:
• Ensure locking knob is loose
• Ensure fine adjust nut is loose
Base table will not travel to the lowest position:
• Loosen fine adjust nut and rotate base table
Instrument is unsteady:
• Ensure that bench top is stable
• Adjust the LFRA feet
Probe doesn’t move when start is pressed:
• Ensure emergency stop button is not pressed in (rotate clockwise)
• Ensure test mode is not Static Load
• Ensure probe is not in contact with sample (or base table)
Display shows “REMOTE OPERATION”
• This will always show when the computer interface cable is connected to the LFRA. To
use the LFRA without the computer program, the serial cable must be disconnected.