ZOLL R Series

Asset Type

Defibrillator

Manufacturer

ZOLL

Model

R Series

What This Guide Helps With

This guide helps troubleshoot RECORDER FAULT 142 on the ZOLL R Series defibrillator. This fault indicates a strip chart recorder system problem that may affect printing, paper feed, event strip output, code summary printing, or the recorder communication/control path. The issue may be caused by paper loading problems, recorder door or latch issues, paper path obstruction, printer assembly failure, interconnect problems, or digital board control issues.

Step-by-Step Troubleshooting

Ensure Patient Safety First

• If the ZOLL R Series is attached to a patient or being used during an active clinical event, do not troubleshoot the recorder fault on the patient-connected unit.
• Remove the defibrillator from patient use if documentation printing, event strip printing, or overall device reliability is in question.
• Use another defibrillator if immediate monitoring, pacing, cardioversion, or defibrillation may be needed.
• Confirm patient care is not dependent on a defibrillator with an unresolved recorder fault.

Verify the Reported Error and Behavior

• Confirm the exact displayed message is RECORDER FAULT 142.
• Check whether the fault appears at startup, during self-test, when pressing the recorder button, during rhythm strip printing, during code summary printing, or intermittently during use.
• Attempt recorder operation only when the device is not connected to a patient.
• Record any other displayed errors or abnormal startup behavior.

Check Recorder Paper First

• Open the recorder door and confirm paper is installed.
• Verify the paper roll is loaded in the correct direction.
• Check for paper that is jammed, torn, folded, wet, or obstructed.
• Reload the paper and close the recorder door firmly.
• Retest the recorder print function with the device out of patient use.

Inspect the Recorder Door and Latch

• Open and close the recorder door.
• Inspect for cracked plastic, loose hinges, broken latch tabs, or debris preventing closure.
• Confirm the door sits flush with the recorder assembly.
• If the latch or door is physically damaged, remove the device from service for repair.

Check for Paper Path Obstruction

• Remove the paper roll and inspect the strip chart paper path.
• Look for paper fragments, adhesive residue, dirt, or foreign material inside the recorder path.
• Inspect the roller area for visible obstruction.
• Do not force tools into the recorder mechanism.
• Reload the paper and retest printing.

Check Power and Startup Behavior

• Power the unit off.
• Connect the defibrillator to known good AC power.
• Confirm the AC power indicator behaves normally.
• Power the unit on and allow startup to complete without interruption.
• Test the recorder again after the unit has fully powered up.

Test Recorder Function

• With the device out of patient use, press the recorder or print button.
• Check whether the recorder starts printing, feeds paper, prints blank paper, prints distorted waveform/text, makes abnormal motor noise, or fails immediately with RECORDER FAULT 142.
• Use the observed behavior to separate a paper/feed issue from a printer assembly, printhead, sensor, interconnect, or control issue.

Inspect External Physical Condition

• Inspect the recorder area and device housing.
• Look for cracks, fluid residue, missing parts, bent recorder components, or evidence of drops.
• Check whether the recorder fault started after cleaning, transport, storage, or physical damage.
• If fluid intrusion, burning smell, heat damage, or physical damage is present, remove the device from service.

Narrow the Fault Area

• Likely external or simple causes include missing paper, incorrect paper loading, paper jam, recorder door not closed, paper path obstruction, or temporary power/startup issue.
• Likely device-related causes include failed recorder/printer assembly, recorder motor or paper-feed failure, printhead or sensor issue, internal interconnect/cable issue, or digital board communication/control issue.
• Do not perform internal disassembly while the device is in clinical use.
• Escalate for bench evaluation when external causes have been ruled out.

Stop When Resolved

• If the recorder begins printing normally and RECORDER FAULT 142 no longer appears, reload paper properly.
• Run an operational check.
• Confirm defibrillator, monitor, and recorder functions pass.
• Document the correction and final device status.
• Return the device to service only after successful testing.

If the Problem Persists

If RECORDER FAULT 142 remains after checking paper, recorder door/latch, paper path, power, external condition, and basic recorder operation, the external causes have been ruled out and the fault likely indicates an internal recorder system failure.

The likely fault path includes the strip chart recorder assembly, printer mechanism, internal interconnect, or digital board communication/control path.

Remove the defibrillator from service, label it Out of Service, and send it for repair or bench evaluation. Do not keep the unit in clinical use if required documentation printing is unreliable or if the fault suggests broader device instability.

Clinical Use Tip

Never troubleshoot RECORDER FAULT 142 on an active patient. Move the patient to a backup defibrillator or monitor first, then evaluate the recorder system with the affected unit removed from patient care. Even if therapy functions appear normal, unresolved recorder faults can affect event documentation and may indicate an internal hardware communication issue.

Work Order Documentation (CCR Method)

CCR = Complaint, Cause, Resolution

Complaint

What was reported by the clinical staff.

Example:
"ZOLL R Series displayed RECORDER FAULT 142 and staff reported the strip chart recorder would not print during recorder test."

Cause

What was observed during troubleshooting.

Example:
"Recorder paper was loaded correctly and no paper jam, door issue, power issue, or external obstruction was found. Fault remained present during recorder test, indicating likely internal recorder assembly, interconnect, or digital board path failure."

Resolution

What action was taken.

Example:
"Removed device from service, labeled Out of Service, and sent for bench evaluation/repair. Recorder fault remained present after external checks."

Helpful Details to Include (If Known)

• Alarm behavior
• Accessories swapped
• Power behavior
• Environmental factors
• Indicator lights
• Final device status

Final Thought

RECORDER FAULT 142 should be approached as a strip chart recorder system fault, not just a paper problem. Start with patient safety, verify the exact error, rule out paper loading and mechanical obstruction, then escalate when the fault persists. Proper documentation protects patient care, repair decisions, and device history.

That is successful troubleshooting.