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Michele LozanoAug 13, 2025
Why is the date and time not retained on my Welch Allyn ELI 150?
- KKevin PowellAug 13, 2025
If the date and time are not being retained, it may be a motherboard problem. Replacement of the motherboard is recommended.
Why is the date and time not retained on my Welch Allyn ELI 150?
If the date and time are not being retained, it may be a motherboard problem. Replacement of the motherboard is recommended.
What to do if the Welch Allyn Medical Equipment keyboard is not working and the LCD is frozen?
If the keyboard is not responding and the LCD is frozen, try these steps: 1. Remove AC power from the unit. 2. Press and hold the On/Off key for 10 seconds to turn the unit off. 3. Wait 10 seconds, then turn the unit on again; it should start responding correctly. 4. Remove AC power. 5. Remove the battery fuse from the unit and leave it out for 10 seconds, then reinstall the battery fuse.
How to fix RS-232 transmit/receive problems with Welch Allyn ELI 150?
If you are experiencing RS-232 transmit/receive problems, ensure that the baud rate set in the configuration matches that of the system you are transmitting to or receiving from. If the issue persists, the problem might be with the transmission cable or the RS232 portion of the motherboard, in which case replacing the motherboard is recommended.
What to do if Welch Allyn ELI 150 has power, the backlight is on, but nothing is displayed?
If your device has AC power, the backlight is on, but nothing appears on the display, consider the following actions: * Check the AC fuses. * Inspect the Keyboard/LCD cable connected to the keyboard and the motherboard; reconnect if disconnected and test again. If issues persist, replace the Keyboard/LCD cable. If these steps do not resolve the issue, it may be due to an AC power supply problem, or a power supply or battery issue, which may require replacing the motherboard. If it is a power supply or battery problem, check the battery for possible replacement, in addition to replacing the motherboard.
Why does my Welch Allyn Medical Equipment work on AC power but not on battery?
If your unit operates on AC power but not on battery, try the following: * Check the battery fuse. * Open the unit and check the battery connections. * Replace the battery.
How to troubleshoot optional modem transmit/receive problems on Welch Allyn ELI 150?
To troubleshoot optional modem transmit/receive problems, verify that a telephone number is entered and that the number is correct. Also, check the modem initialization string. These steps should help resolve configuration issues.
What to do if my Welch Allyn Medical Equipment turns on but shows no waveform?
If the unit turns on and function key options are displayed, but no waveform appears, it could be a communications problem between the front end board and the motherboard. Try replacing the cable between the front end and motherboard. If that doesn't work, consider replacing the front end board or the motherboard.
What to do if nothing is displayed on the LCD of my Welch Allyn ELI 150 when AC power is on?
If nothing is displayed on the LCD when AC power is on, it may indicate an LCD problem. In this case, replacing the LCD is recommended.
General| Brand | Welch Allyn |
|---|---|
| Model | ELI 150 |
| Category | Medical Equipment |
| Language | English |
Details the warranty period, exclusions, and limitations for Mortara products.
Lists critical safety instructions, warnings, and device classifications for safe operation.
Instructions for safely disconnecting and removing the internal battery.
Steps to remove keyboard/LCD and the writer assembly.
Procedures for replacing the printhead and writer motor.
Steps for removing writer door and replacing the main motherboard.
Procedure for removing and replacing the front-end board.
Guides for resolving common issues like no display, frozen screen, or battery problems.
Procedures for testing power supply, keyboard, LCD, and speaker functionality.
Tests for writer performance, ECG acquisition, and signal noise.
Tests for lead failure detection and record transmission.
