IntelliVue MX40

1. Make sure the patient is safe — swap in a backup unit if you need to.
2. Reproduce the complaint yourself and write down exactly what you see (screen, alarm, code).
3. Check power, battery, cables, accessories, and settings before ordering parts.
4. Then open the service manual above and follow its troubleshooting section.

ECG LEADS OFF / <electrode> LEAD OFF source ↗

• Re-attach ECG leads to the patient
• Check electrodes and leadset

NO SIGNAL at Information Center source ↗

• Make sure MX40 is inside coverage area
• Check batteries are good
• If power-on self test fails, replace MX40

BATTERY LOW T / REPLACE BATTERY T source ↗

• Replace AA batteries or insert charged Li-ion pack promptly

CHECK PAIRING source ↗

• Confirm the bedside monitor or cableless device is correctly paired; select the correct device

cl NBP / cl SpO2 pod battery or disconnect source ↗

• Charge or replace the pod
• Reduce distance to MX40 and remove interference

Leads off / no signal (telemetry) source ↗

• Re-attach ECG leads
• Confirm transmitter is in coverage and batteries are good