Precision-digital PD6770 User Manual download pdf (Page 14)

PD6770 Loop-Powered Process Meter Instruction Manual

TROUBLESHOOTING

The rugged design and the user-friendly interface of the meter should make it

unusual for the installer or operator to refer to this section of the manual. If the meter

is not working as expected, refer to the recommendations below.

Troubleshooting Tips

Symptom

Check/Action

No display

Check input signal connections.

Rate display unsteady during

calibration

Adjust LO FINE or HI FINE

controls to fine-tune the display.

Meter displays 1 on the left

most digit location

Check signal level is not over

range.

Dial down the HI control and re-

calibrate at 20 mA.

Display is faded

Check input signal is not under

1 mA.

If the display locks up or the

meter does not respond at all

Perform hard reset by shorting

S+ and S- terminals.

Backlight does not appear

Verify backlight is installed.

Check signal connections are as

shown in Figure 3 on page 10.

Other symptoms not described

above

Call Technical Support for

assistance.

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Precision-digital PD6770 User Manual Page 14