Tek-LCD 7805B
Technology Solutions
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.
Model Number
PD6870-0L0-TK
Reorder Number
Description
Tek-LCD 7805B-0L0
Tek-LCD 7805B-0L0
Model Number
PDA0002-TK
Reorder Number
Description
Tek-LCD 7800B-002
3/4" M-NPT to 1/2" F-NPT
Approved Reducer
PDA6846-TK
Tek-LCD 7800A-6846
Steel Pipe Mounting Kit
PDA6846-SS-TK
Tek-LCD 7800A-6846SS
Stainless Steel Pipe Mounting Kit
8. Troubleshooting
8. Ordering Information
Troubleshooting Tips
Accessories
Symptom
Check/Action
No display
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
If the display locks up or the meter does not respond at all
Backlight does not appear
Other symptoms not described above
Check input signal is not under 1 mA.
Perform hard reset by shorting S+ and S- terminals.
Call Technical Support for assistance.
Verify backlight is installed.
Check signal connections are as shown in Figure 3.
Check input signal connections.
