Barton 227C - Troubleshooting Guide

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3-10. Troubleshooting
Refer to Table 3-1 for troubleshooting information. Also, see the appropriate
(separate) DPU manual.
Table 3-1. Troubleshooting
Problem Possible
Source
Probable Cause Corrective Action
Low or No
Indication
DPU - See separate DPU manual
Indicator Loose movement
Out of calibration
Dirty or corroded
mechanism
Pointer loose
Tighten/replace movement
Calibrate unit
Clean/replace mechanism
Tighten pointer
High
Indication
Piping or
primary
source
- See separate DPU manual
DPU - See separate DPU manual
Indicator Loose arms
Out of Calibration
Tighten mechanism
Calibrate unit
Erratic
Indication
Primary
Element
- See separate DPU manual
Piping - See separate DPU manual
DPU - See separate DPU manual
Indicator Movement dragging or
dirty
Pointer dragging on scale
plate
Adjust/clean movement
Adjust pointer position