On this page
Asset Type
Manufacturer
Model
What This Guide Helps With
Addresses unresponsive buttons, incorrect display behavior, frozen screens, or missing/garbled text due to power, contamination, or external interface issues.
Step-by-Step Troubleshooting
Ensure Patient Safety First
- Remove the device from active patient use
- Transition testing to a backup meter to avoid delays in care
Inspect for Physical Damage
- Check the screen and keypad for cracks, fluid intrusion, or visible wear
- Why this matters: Physical damage can directly cause display or button malfunction
- If damage is present → Remove from service
Power Cycle the Device
- Turn the meter off, wait 10 seconds, and turn it back on
- Expected outcome: Temporary software or display glitches may clear
- If resolved → Return to service
Check Battery Status and Connections
- Ensure the battery is properly seated and charged
- Replace with a known-good battery if needed
- Why this matters: Low or unstable power can cause display errors or unresponsive buttons
- If resolved → Return to service
Inspect and Clean the Keypad Area
- Look for dried fluids, glucose residue, or debris around buttons
- Clean using approved disinfectant wipes
- Expected outcome: Buttons should respond normally after cleaning
- If resolved → Return to service
Test Button Responsiveness
- Press each button individually and observe response on screen
- Why this matters: Confirms whether the issue is isolated or systemic
- If only certain buttons fail → Likely keypad wear or failure
Check Screen Functionality
- Observe for dim display, missing segments, flickering, or distortion
- Adjust brightness/settings if available
- Expected outcome: Screen should be clear and stable
- If abnormal → Likely display hardware issue
Verify Software/Interface Behavior
- Navigate menus to confirm normal operation
- Why this matters: Helps distinguish between UI/software glitch vs. hardware failure
- If freezing or lag persists → Possible internal issue
Check Docking/Charging Station (if applicable)
- Ensure proper docking and communication if the unit syncs or charges via base
- Why this matters: Poor connection can cause erratic behavior
If the Problem Persists
If all external causes have been ruled out, the issue is likely internal (keypad membrane failure, display module fault, or internal electronics issue).
- Remove the device from service
- Label as Out of Service
- Send for repair or bench evaluation
Recognizing when to escalate is an essential part of proper troubleshooting.
Clinical Use Tip
Never troubleshoot a glucose meter while it is needed for active patient testing. Always move the patient to a functioning device first.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Glucose meter screen freezing and buttons not responding during use."
Cause
What was observed during troubleshooting.
Example:
"Buttons intermittently unresponsive due to contamination buildup around keypad."
Resolution
What action was taken.
Example:
"Cleaned keypad and verified proper button function; device returned to service."
Helpful Details to Include (If Known)
- Battery level verified or replaced
- Buttons tested individually
- Screen condition (flicker, dim, blank)
- Evidence of fluid contamination
- Cleaning performed
- Device response after reboot
- Final device status (in service or removed)
Final Thought
Effective troubleshooting starts with simple, external checks and prioritizes patient safety. Many display and button issues stem from power or contamination. When those are ruled out, timely escalation prevents unnecessary risk. Clear documentation supports continuity and reliability in patient care equipment management.
That is successful troubleshooting.