Ultrasound systems

Sonosite SII: troubleshooting and error codes

The ServiceForge knowledge base holds 9 documented symptoms for the Sonosite SII, with 16 ranked causes, 15 diagnostic checks with test points and expected values, and 0 error codes. Each symptom below shows its causes and the first check; the rest is one connection away. Connect ServiceForge to your AI

Symptoms

Battery will not power on

System does not power on from battery; AC power may not be connected

Ranked causes

1. Battery damaged or contacts corroded (occasional)
2. Battery charge depleted or faulty (occasional)
3. Battery past useful life (occasional)

First check

Inspect battery and contacts

Test point: Battery compartment
Expected: No visible damage or corrosion

1 more check with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

DICOM socket communication failed

DICOM network communication error when connecting to Printer or Archiver

Ranked causes

1. Invalid network configuration (common)
2. Wrong port number (occasional)
3. Application not running or printer offline (occasional)

First check

Ping printer or archiver

Test point: Network connection
Expected: Ping successful, device responds
Tools: Ping utility

1 more check with pass and fail actions, 3 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Assert screen displayed

Hardware or software fault causes assert screen with P, C, and D line information

Ranked causes

1. Hardware fault on Main PCBA (occasional)
2. Software fault (occasional)

First check

Power cycle the system

Test point: Power button
Expected: System powers on normally without assert screen

1 more check with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Assert screen displayed on system startup

Hardware or software fault triggers assert screen with error codes on P, C, and D lines; system may not boot normally or operates abnormally

Ranked causes

1. Hardware fault in Main PCBA (common)
2. Software fault or transient error (occasional)

First check

Record assert code information

Test point: Assert screen display
Expected: P line, C line, D line information visible and readable

2 more checks with pass and fail actions, 2 corrective actions, and part numbers are in ServiceForge. Connect ServiceForge to your AI

No display or display quality issue patient safety

User interface display not functioning or showing image quality problems

Ranked causes

1. Faulty display unit (occasional)
2. Main PCBA fault (occasional)

First check

Feed video to external monitor from system back

Test point: Video output connector
Expected: Video signal present on external monitor

2 corrective actions and part numbers are in ServiceForge. Connect ServiceForge to your AI

DICOM archiver transaction failed

Error when sending images to archiver with wrong capture type selected

Ranked causes

1. Wrong Capture Type selected (occasional)

First check

Check supported capture types on archiver

Test point: Archiver configuration
Expected: Selected capture type is supported by archiver

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Main PCBA failure with non-recoverable assert code

Hardware fault that persists after power cycle; assert code indicates main circuit board damage or component failure

Ranked causes

1. Main PCBA hardware defect non-recoverable (common)

First check

Verify assert code persistence after power cycle

Test point: Assert screen display after system restart
Expected: Assert condition does not recur; system powers on normally

1 more check with pass and fail actions, 1 corrective action, and part numbers are in ServiceForge. Connect ServiceForge to your AI

Patient data must be removed before repair patient safety

System requires data erasure prior to return for service to protect patient privacy.

Ranked causes

1. System returning for repair or service (unknown)

First check

Confirm reset initiation sound

Test point: System speaker
Expected: High-low sound after 5-10 seconds of holding M key and pressing On/Off

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

System settings corrupted or lost

System date/time, IP address, audio, battery settings need reset to factory defaults.

Ranked causes

1. System settings degraded after extended use (unknown)

First check

Listen for reset confirmation sound

Test point: System speaker
Expected: High-low then low-high sound emitted

1 corrective action and part numbers are in ServiceForge. Connect ServiceForge to your AI

Community

0 fixes logged by technicians through their AI, with outcomes, for this model.

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual. Export 2026-10-14.