Hamilton C1

Asset Type

Ventilator

Manufacturer

Hamilton

Model

C1

What This Guide Helps With

This guide helps troubleshoot Alarm 244017 Battery 2: Replacement required on a Hamilton C1 ventilator. This alarm indicates Battery 2 has reached a replacement condition and may no longer provide reliable backup power for patient transport or power-loss situations.

Because this affects backup power reliability, the ventilator should not be used in a situation where battery operation may be needed until the alarm is resolved and battery status is confirmed.

Step-by-Step Troubleshooting

Ensure Patient Safety First

• Treat any ventilator battery replacement alarm as a patient safety concern.
• Do not troubleshoot Battery 2 while the ventilator is supporting a patient unless clinical staff confirm patient care is not at risk.
• If the ventilator is in active use, transfer the patient to another approved ventilator before performing battery troubleshooting.
• Confirm the ventilator is connected to reliable external AC power while evaluating the alarm.
• Do not rely on Battery 2 for transport or backup power until the replacement condition is cleared.

Verify the Reported Alarm and Behavior

• Confirm the ventilator display shows Alarm 244017 Battery 2: Replacement required.
• Observe whether the alarm appears at startup, during pre-use check, while connected to AC power, after running on battery, or intermittently after charging.
• Check whether Battery 1 is also reporting any alarms.
• Confirm the alarm is specific to Battery 2 before replacing parts.

Confirm External Power Is Stable

• Check that the AC power cord is fully seated at the ventilator and wall outlet.
• Verify the outlet is live and suitable for clinical equipment use.
• Confirm the ventilator indicates external power is connected.
• Inspect the power cord and power adapter for damage, looseness, overheating, or strain.
• Correct any external power issue before judging the condition of the battery.

Check Battery 2 Seating

• Remove the ventilator from patient use before handling the battery.
• Reseat Battery 2 if accessible and allowed by facility procedure.
• Inspect the battery compartment for obvious debris, broken latch points, bent contacts, corrosion, or signs of damage.
• Reinstall Battery 2 fully and confirm it locks into place.
• Check whether the ventilator recognizes Battery 2 after reseating.

Verify Correct Battery Type

• Confirm Battery 2 is an approved Hamilton-compatible battery for the C1 ventilator.
• Compare Battery 2 to the battery type used by your facility.
• Check for incorrect model, non-approved replacement, damaged labeling, wrong capacity, or visibly aged battery.
• Confirm the battery is installed in the correct battery position.
• Do not return the ventilator to service with an unsupported or questionable battery installed.

Check Battery Charging Status

• Connect the ventilator to AC power.
• Allow sufficient time for charging if Battery 2 was depleted.
• Check whether the ventilator shows Battery 2 as charging, charged, defective, or still requiring replacement.
• Compare Battery 2 behavior against Battery 1 if Battery 1 is installed and healthy.
• If Battery 2 cannot charge or continues to report replacement required, replace the battery.

Install a Known-Good Battery if Available

• Replace Battery 2 with a known-good approved Hamilton C1 battery.
• Confirm the replacement battery is recognized by the ventilator.
• Check that charging begins normally.
• Restart the ventilator or repeat the applicable pre-use or power check if required by facility procedure.
• If the alarm clears with a known-good battery, document the original Battery 2 as failed or due for replacement.

Perform Battery Verification if Required

• Fully charge the replacement Battery 2.
• Verify the ventilator recognizes the battery correctly.
• Perform the approved battery check or runtime verification if required by local procedure.
• Do not return the ventilator to transport or backup-power-dependent use until battery status is acceptable.

Determine Whether the Issue Is Battery-Related or Device-Related

• Suspect a battery-related issue if the alarm clears after replacing Battery 2, the original battery does not charge normally, the original battery fails runtime verification, or the original battery is aged, damaged, or not recognized properly.
• Suspect a device-side issue if a known-good Battery 2 is not recognized, Battery 2 does not charge in the ventilator, the alarm remains after replacement, the battery bay appears damaged, or multiple battery communication or charging alarms are present.
• Do not perform internal disassembly as part of clinical floor troubleshooting.

Return to Service Only After the Alarm Clears

• Confirm Alarm 244017 is cleared.
• Verify Battery 2 is recognized and charging or charged.
• Confirm no related battery alarms remain.
• Complete any facility-required operational check.
• Return the ventilator to service only when backup battery status is reliable.

If the Problem Persists

If Alarm 244017 remains after Battery 2 is reseated, external power is verified, the battery bay is visually inspected, and a known-good approved battery has been installed, external and common battery-related causes have been ruled out.

At that point, suspect a device-side issue such as battery bay contact damage, charging circuit fault, battery communication problem, or internal power management failure.

Remove the ventilator from service, label it Out of Service, and send it for repair or bench evaluation.

Clinical Use Tip

Never troubleshoot battery replacement alarms on an active patient if patient ventilation or backup power reliability could be affected. Move the patient to a backup ventilator first, especially before transport or any situation where external power could be interrupted.

Work Order Documentation (CCR Method)

CCR = Complaint, Cause, Resolution

Complaint

What was reported by the clinical staff.

Example:
"Hamilton C1 ventilator reported Alarm 244017 Battery 2: Replacement required during startup. Staff reported concern that backup battery power may not be reliable."

Cause

What was observed during troubleshooting.

Example:
"Battery 2 had reached replacement condition. External power was verified, battery bay was inspected, and the installed Battery 2 did not clear the replacement alarm."

Resolution

What action was taken.

Example:
"Removed ventilator from patient use. Replaced Battery 2 with an approved compatible battery, confirmed battery recognition and charging status, verified Alarm 244017 cleared, and completed required operational checks before returning device to service."

Helpful Details to Include (If Known)

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

Final Thought

Battery replacement alarms on a ventilator should not be ignored. Start with patient safety, verify the exact alarm, confirm stable external power, check battery seating and compatibility, replace the affected battery when indicated, and escalate if the ventilator does not recognize or charge a known-good battery.

That is successful troubleshooting.