Cooper Instruments & Systems DFI 7000 Digital Force Indicator - Manual (Page 9)

CF11 9 V-May 2003-008-0186-00
track the input signal unless the HOLD mode is active. The AMP OUT terminal will always track the input signal
regardless of the condition of the HOLD signal.
8.0 TROUBLESHOOTING GUIDE
Symptom/Problem Action/Troubleshooting
Erratic Display
Check electrical connections for continuity and wiring code for pin layout.
No Display/No Output Voltage Check power connections per instrument Instructions.
Blinking Display Indicates a signal level greater than full-scale; make sure wires are all
connected, and transducer is within its range.
Incorrect Readout Value Check transducer range on label. Verify that system was set-up per
instructions. Review set-up procedure. Refer to transducer
troubleshooting guide and verify that transducer operates properly. Use
Shunt Cal to verify calibration.
Limit 1 or 2 fails to trip relay at
setpoint Verify that limit card is properly installed; check normally open, common,
and normally closed contacts on rear-panel connector for proper wiring.
Peak detector will not reset or will
not hold peak value Verify that Peak Detector Card is properly installed; check Mode Sel and
common terminal on rear-panel connector for proper wiring.
Track-and-Hold unit will not hold
signal when front switch is pushed Verify that track-and-hold card is properly installed; check Hold and
Common terminals on rear-panel for proper wiring. Verify that the HOLD
light is coming on in the hold mode.