Honeywell DR4300 manual Pen Trace Troubleshooting, Recorder with Display for instructions for

DR4300 Circular Chart Recorder

8.5.3 Pen Trace Troubleshooting

Procedure

Table 8-7explains how to troubleshoot a problem with the pen trace not matching the (correct) displayed value, assuming that the pen channel is configured to trace the input value.

Table 8-7 Troubleshooting Pen Trace Failure Symptoms

Step	What to do	How to do it or
		where to find the instructions
1	Check the ink cartridge for proper	Reposition or replace the ink cartridge as
	installation.	described in Section 6 – Routine Maintenance.
		If the pen arm is severely warped, replace the
		pen arm as described in Section 9 – Replacing
		Hardware Assemblies.
2	Check that the chart agrees with the	Replace wrong chart with correct chart. Refer to
	actuation type and check chart and pen	Section 4 – Configuration, Startup, and Operation
	set up.	of Recorder with Display for instructions for
		viewing the configuration.
		See Section 6 – Routine Maintenance for
		instructions for replacing the chart.
3	Check the pen alignment	Follow the procedure in Subsection 8.6.
4	Check the sensor for the proper type and	Verify the input configuration data and operation
	its ability to function.	of the sensor.
		Measure input signal at TB2 or apply calibration
		source to verify input signal.
5	Replace the servo plate assembly.	Refer to the replacement procedure in Section 9
		– Replacing Hardware Assemblies.
6	Replace the printed circuit assembly for	Refer to the replacement procedure in Section 9
	the pen with the problem.	– Replacing Hardware Assemblies.

182 DR4300 Circular Chart Recorder Product Manual 12/03