Table 9-9 Procedure #4-Troubleshooting Erratic Pen Movement Symptoms; Table 9-10 Procedure #5-Troubleshooting Pen Failure Symptoms; Table 9-11 Procedure #6-Troubleshooting Keyboard And/Or Display Failure Symptoms - Honeywell DR4500A Product Manual

Table 9-9 Procedure #4—Troubleshooting erratic pen movement symptoms
WARNING
Do not lubricate the plastic gears on the chart and pen motors.
Step
Check the sensor and lead wires for
1
continuity. Check the connections.
2 Check the pen and input configuration
data.
Replace the servo plate assembly.
3
4 Call Technical Assistance Center.
Table 9-10 Procedure #5—Troubleshooting pen failure symptoms
WARNING
Do not lubricate the plastic gears on the chart and pen motors.
Step
1 Check the sensor and lead wires for
continuity. Check the connections.
2 Check the pen arm for secure
mechanical attachment to the servo
shaft.
3 Check the servo cable plug connection
(J6) on the main printed circuit board.
Replace the servo plate.
4
5 Call Technical Assistance Center.
Table 9-11 Procedure #6—Troubleshooting keyboard and/or display failure symptoms
Step
1 Run a Key Test to check the operation of
the keys and displays.
2 Replace the membrane switch
(keyboard) and /or display printed circuit
board as required.
Release M DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
April 2017
What to do
What to do
What to do
Troubleshooting Procedures
How to do it or where to find the data
Replace the sensor lead wires as needed.
Tighten the connections.
Refer to Section 3 - Configuration.
Refer to the instructions included with the
replacement part.
1-800-423-9883 USA and Canada
How to do it or where to find the data
Replace the sensor lead wires as needed. Verify
and tighten the input connections.
Verify that the flat-head screw that attaches the
pen arm to the plastic servo gear on the servo
shaft is tight.
Visually examine the plug and reseat it.
Refer to the instructions included with the
replacement part.
1-800-423-9883 USA and Canada
How to do it or where to find the data
Refer to Section 5 - Operation for procedures on
running a key test.
Refer to the instructions included with the
replacement part.
Troubleshooting / Service
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