On this page
Asset Type
Manufacturer
Model
What This Guide Helps With
This guide addresses the Backlight failure alarm indicating backlight voltage is out of range, resulting in a dim, flickering, or unreadable display that can impact safe pump operation and monitoring.
Step-by-Step Troubleshooting
1. Ensure Patient Safety First
- If the screen is difficult or impossible to read, remove the pump from patient use
- Transfer infusion to a verified working pump
2. Verify the Reported Alarm and Behavior
- Power on the pump and confirm the Backlight failure alarm
- Observe if the screen is dim, flickering, or completely dark
- Determine if the issue occurs at startup or during operation
- Check for faint or partial display visibility
3. Check Brightness and Display Settings
- Access display settings if visible
- Ensure brightness is not set to minimum
- Adjust brightness if possible
4. Perform Power Cycle
- Power off the pump completely
- Turn the pump back on
5. Inspect External Power Source
- Plug into a known working AC outlet
- Verify outlet functionality
- Ensure power cord is securely connected
6. Observe for Intermittent Behavior
- Operate the pump off patient use
- Check for flickering or inconsistent backlight
- Gently move the unit to see if symptoms change
7. Isolate as Internal Failure
- If alarm persists after power cycle and adjustments
- If display remains dim, dark, or unstable
- Indicates backlight or internal voltage regulation failure
If the Problem Persists
If external causes and basic resets do not resolve the alarm, this indicates an internal failure of the backlight system or power regulation circuitry.
- Remove the device from service
- Label as Out of Service
- Send for repair or bench evaluation
Clinical Use Tip
Never troubleshoot on an active patient. Always move the patient to a backup device before addressing display-related issues.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Pump displayed Backlight failure alarm and screen was dim and difficult to read during use."
Cause
What was observed during troubleshooting.
Example:
"Backlight remained dim after power cycle and brightness adjustment, indicating internal backlight voltage fault."
Resolution
What action was taken.
Example:
"Removed pump from service, labeled Out of Service, and sent for repair evaluation."
Helpful Details to Include (If Known)
- Alarm behavior
- Accessories swapped
- Power behavior
- Environmental factors
- Indicator lights
- Final device status
Final Thought
Display visibility is critical for safe infusion management. Always rule out simple causes like settings and power first, but escalate quickly when the screen cannot be reliably read.
That is successful troubleshooting.