CP150

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.

No power on AC, AC LED off source ↗

• Check AC source and AC fuses
• Reseat/replace switch power flex and 60 W PSU harness; replace PSU

No power on AC, AC LED lit source ↗

• Display or SMCE-LCD flex fault: reseat/replace
• Check I/O board harness and I/O board

Battery won't charge / few reports per charge source ↗

• Charge; check connections
• Fewer than 10 reports on full charge = degraded battery
• Damaged pins: replace battery case; check smart bus harness

Frozen screen source ↗

• Hold power ≥6 s until blank, then restart

All leads off / bad waveform on simulator source ↗

• Replace patient cable
• Reseat ECG harness; replace ECG board

No IP address with DHCP source ↗

• Verify network
• Reseat communication board

Leads off / bad waveform source ↗

• Swap patient cable, then harness, then ECG board

Power/battery source ↗

• Check AC fuses; fewer than 10 reports per charge = replace battery