EMPI SELECT (TENS) Pain System Troubleshooting Repair Manual

Product Overview

This document provides troubleshooting and repair information for the EMPI SELECT (TENS) Pain System.

Device Description: The EMPI SELECT is a portable Transcutaneous Electrical Nerve Stimulation (TENS) device designed for pain management. It features a digital display, control buttons for mode and intensity (labeled 'set'), channel selection buttons (ch1, ch2), and power control ('on off'). Specific treatment areas are indicated on the device: Knee, Shoulder, Low Back/Hip, Hand/Wrist, and Back. The device is white and has a screen at the top.

Important Safety Information and Disclaimers

⚠️ Risk of DIY Repairs: Attempting to repair electronic or electromechanical devices without proper training, knowledge, or tools can pose significant risks to both the device and personal safety. These devices may operate under high voltage or store energy in capacitors, leading to severe electrical shocks. Tampering can cause short circuits, fires, or explosions if batteries are mishandled. Misdiagnosis or incorrect repairs can render the device inoperable and may void warranties, leading to legal repercussions. It is crucial to assess risks and consider professional services for repairs, especially for sophisticated devices.

This educational document is for informational purposes only and is not a comprehensive guide for repairs. It supplements, but does not replace, the knowledge and expertise of qualified professionals. Users should exercise caution and consult experts before acting on the information provided.

The information herein is derived from original manufacturer sources and may not be entirely accurate or up-to-date. While efforts have been made to ensure reliability, correctness and completeness cannot be guaranteed. Users are encouraged to verify information with manufacturers or authoritative sources. No liability is accepted for errors, omissions, or decisions based on this document.

The "Acme Revival" mark and brand are registered trademarks of the United States Patent and Trademark Office (USPTO). Unauthorized use is strictly prohibited.

References to other entities' trademarks are for informational and educational purposes only, not to cause confusion or mislead regarding ownership.

Troubleshooting

System Troubleshooting Chart

LCD Message: BATTERY LOW – CHARGE UNIT

Problem: Unable to acquire ECG or unable to print.

Correction: Charge the battery with AC power.

LCD Message: LEAD FAULT NO ECG CAPTURE

Problem: Lead fail or noisy ECG data.

Correction: Correct faulty lead or noise.

LCD Message: NO ANSWER

Problem: Unable to transmit ECG.

Correction: Check for correct phone number. Ensure modem and E-SCRIBE RX are online.

ECG Troubleshooting Chart

Affected Leads: LEADS OFF OR ONE OR MORE OF THE FOLLOWING: RA LA LL V1 V2 V3 V4 V5 V6

Problem: Lead fail. Lead I Missing/Noisy RA/LA. Lead II Missing/Noisy RA/LL. Lead III Missing/Noisy LA/LL. All High Freq. Noise.

Correction: Indication of RL/RA/LA/LL/V1/V2/V3/V4/V5/V6. Check limb leads. Correct faulty lead(s). Check patient prep; re-prep if necessary with a new electrode. Notch down filter from 300 Hz to 150 Hz; check proximity to power cables.

Transmission Troubleshooting Chart

LCD Messages:

• TRANSMIT FAILED
• ERROR-DICOM Not Enabled
• UNABLE TO SAVE ECG
• DHCP FAILURE
• DPAC FAILURE
• CAN'T CONNECT TO ACCESS POINT
• CAN'T CONNECT TO REMOTE LINK
• UNABLE TO SAVE ORDER
• UNABLE TO SAVE WORK ITEM
• INCORRECT RESPONSE
• NO CUSTOM ID
• PAPER QUEUE FAULT
• CONNECTION FAILED

Problems and Corrections include:

• Checking phone lines, ensuring site numbers are valid, configuring the system for DICOM, addressing memory issues, correcting noise for ECG data storage, and contacting technical service for DHCP and WLAN initialization failures.
• Ensuring IP addresses are correct for connectivity issues, reattempting transmissions, checking share permissions on host devices, implementing hubs versus crossover cables for LAN connections, and addressing paper queue faults by adding paper and manually advancing the page.

Maintenance and Component Replacement

Sample Probe Cable Replacement

Advises on disconnecting and reconnecting the sample probe cable, emphasizing the need for caution to avoid damage due to static electricity and improper connections.

Secondary Cooling Fan Replacement

Offers a step-by-step guide for replacing the cooling fan, including the removal and reinstallation of screws and connectors, and highlights the importance of handling PCBs correctly to prevent static damage.

Solenoid Impactor Replacement

Provides instructions on replacing the solenoid impactor, including disassembly steps and caution regarding hazardous voltage and proper connections to avoid damaging the instrument.

Plunger Wire Replacement

Instructions for replacing the sampler plunger wire every 500 tests to maintain accurate measurements, including calibration steps to ensure the instrument's proper functioning.

General Maintenance and Calibration

Detailed procedures for calibration and sample handling, ensuring the instrument delivers accurate osmolality measurements.

Important Warnings and Technical Assistance

Warning Regarding Hazardous Voltage

Cautions about the risk of improper connections causing damage to the instrument or harm to the user due to hazardous voltage.

Technical Assistance

Information on contacting Advanced Instruments Hot-Line® Service Center for further assistance or technical support.