Honeywell DR4300 manual Pen Trace Troubleshooting, Troubleshooting Pen Trace Failure Symptoms

DR4300 Circular Chart Recorder

7.3.3 Pen Trace Troubleshooting

Procedure

Table 7-3explains how to troubleshoot a pen trace problem.

Table 7-3 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 chart set up.	Section 3 – Configuration, Startup, and Operation
		of Recorder without 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 7.4.
4	Look at printed circuit assembly (PCA) for	Press the reset switch SW2. The PCA will be
	the pen to see if the red* LED is lit. This	initialized. If the problem was a software error,
	LED is lit when the PCA failed a self-	the error may be cleared by the reset.
	diagnostic, or an out-of-range input has
	been detected. (Flashing green LED is
	OK, it indicates that the processor is	*For Recorders with a display, the red LED is
	active.)
		used by an internal control signal and is not a
		fault indicator.
5	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.
6	Replace the servo plate assembly.	Refer to the replacement procedure in Section 9
		– Replacing Hardware Assemblies.
7	Replace the printed circuit assembly for	Refer to the replacement procedure in Section 9
	the pen with the problem.	– Replacing Hardware Assemblies.

166 DR4300 Circular Chart Recorder Product Manual 12/03