BD Alaris Infusion Pump

Asset Type

Infusion Pump

Manufacturer

BD

Model

Alaris

What This Guide Helps With

This guide addresses situations where the Alaris infusion pump door will not physically latch, or the device displays a persistent “Close Door” message even when the door appears shut.

The focus is on simple, external, and mechanical checks first—such as IV set placement, latch alignment, debris, or door obstruction—before assuming internal latch sensor or mechanical failure.

Step-by-Step Troubleshooting

1. Ensure Patient Safety First

• If the pump is actively infusing, transfer the patient to another pump before troubleshooting.
• Do not force the door closed while connected to a patient.
• This prevents therapy interruption or cassette damage.

2. Power Cycle the Pump

• Remove from AC power.
• Turn the pump OFF.
• Wait 10–15 seconds.
• Power back ON.
• A software glitch can occasionally cause a false “Close Door” message even when the latch is engaged.

3. Remove and Reinstall the IV Set

• Open the door fully.
• Remove the tubing/cassette completely.
• Inspect for:
  • Twisted tubing
  • Improper cassette seating
  • Plastic warping
• Reinstall per proper loading procedure.
• Improperly seated tubing is the most common cause of door latch errors.

4. Inspect the Door Latch Mechanism

• Visually inspect:
  • The latch hook
  • The latch receiver
  • Spring tension
• Look for:
  • Cracks
  • Bent plastic
  • Broken latch tab
  • Weak or no spring tension
• Do not disassemble the door.
• If the latch does not “snap” into place firmly, the mechanical latch may be worn.

5. Check for Debris or Obstruction

• Inspect the door channel and latch area.
• Look for:
  • Dried medication
  • Tape residue
  • Label fragments
  • Cracked plastic pieces
• Clean gently with approved cleaning solution if contamination is present.
• Debris can prevent the door sensor from recognizing a closed state.

6. Verify Door Alignment

• With no tubing installed:
• Close the door slowly.
• Observe alignment between latch and receiver.
• Ensure the door sits flush with the pump body.
• If the door appears uneven or requires pressure to align, hinge wear or structural damage may be present.

7. Check for “Close Door” Message Without Mechanical Issue

• If:
  • The door latches firmly
  • The door sits flush
  • No visible damage exists
• But the error persists, this suggests:
  • Door sensor failure
  • Internal switch misalignment
  • Main board input issue
• These are not field-repairable at the department level.

If the Problem Persists

If external causes have been ruled out and:

• The door will not physically latch
• The latch is broken or loose
• The error persists despite proper closure

The issue is likely internal to the latch sensor or mechanical assembly.

The pump should be:

• Removed from service
• Labeled Out of Service
• Sent for bench evaluation or depot repair

Knowing when to stop prevents damage to the door assembly and ensures patient safety.

Clinical Use Tip

Never attempt to hold the door closed manually during infusion.

• Interrupt occlusion detection
• Compromise pumping accuracy
• Create a medication safety risk

Always transfer the patient to a properly functioning device before troubleshooting.

Work Order Documentation (CCR Method)

CCR = Complaint, Cause, Resolution

Complaint

What was reported by the clinical staff.

Example:
“Nursing reports pump displays ‘Close Door’ and infusion will not start. Door appears shut.”

Cause

What was observed during troubleshooting.

Example:
“IV set improperly seated, preventing latch from fully engaging. No mechanical damage observed.”

Resolution

What action was taken.

Example:
“Reseated tubing properly, confirmed firm latch engagement. Performed operational test. Pump functioning normally.”

Helpful Details to Include

• Was tubing installed during testing?
• Did latch click firmly?
• Was door flush with housing?
• Any visible cracks?
• Debris present?
• Error cleared after reseating?
• Final functional status

Final Thought

Most Alaris door errors are caused by tubing placement or minor mechanical obstruction—not internal electronics. Logical, external checks prevent unnecessary depot repairs and reduce downtime. However, once latch integrity or internal sensing is in question, escalation is appropriate. Safe escalation is part of professional troubleshooting.

That is successful troubleshooting.