Welch Allyn 5002 - Service Manual

Other manuals for Welch Allyn 5002

Directions For Use28 pages

Installation Instructions2 pages

Questions and Answers

K
Kara HarrisonAug 18, 2025
Why are the weight readings not accurate on my Welch Allyn Scales?
- K
  Kelly HallAug 18, 2025
  Inaccurate weight readings on your Welch Allyn Scales can be caused by a mechanical obstruction of the weighing platform. Check that the platform isn't touching any foreign object that restricts its downward movement. Also, ensure the connecting cable is firmly plugged into the instrument circuit board. If your scale has a mast, check the mast cable for a secure connection to the base.
M
Marisa BrownAug 20, 2025
How to fix a Welch Allyn 5002 Scales that does not turn on?
- D
  Darryl HollowayAug 20, 2025
  If your Welch Allyn Scales won't turn on, here are a few things to check: * **Dead Batteries:** If your scale uses 'D' cell batteries and doesn't have a rear adapter, replace the batteries by removing the rear cover with a Phillips head screwdriver. * **Wrong Battery Voltage:** Ensure the non-rechargeable batteries have a minimum voltage of 6.6V. * **Damaged AC Adapter:** Check the adapter's voltage; it should be 12 volts. Replace it if the voltage is not detected. * **Cracked Battery Holder:** Replace the battery holder assembly, noting the positions of the Red, Black, and Yellow wires.
T
tabithawilliamsAug 23, 2025
What to do if paper is not coming out of the Welch Allyn 5002 Scales printer?
- T
  Tanya Boyer DDSAug 23, 2025
  If paper is not coming out of the printer on your Welch Allyn Scales, it could be due to a few reasons: * **Curled Paper:** Too much paper might be curled up inside on the roller. Remove the paper and redress it in the roller of the printer mechanism. * **Thermal Paper Installation:** The thermal paper may be installed upside down. Ensure the chemically treated side of the paper faces the print head, as this is critical for operation.
N
nelsonjohnnyAug 25, 2025
What does it mean if my Welch Allyn 5002 Scales displays 'CAbLE' or 'O-LOAd'?
- A
  Anna Martinez DDSAug 26, 2025
  If your Welch Allyn Scales displays 'O-LOAd', it means the weight signal is larger than the maximum value assigned to that model. If the weight value is within the specified range, this indicates a damaged transducer or defective instrument board. If the display indicates a signal outside the range of the internal a-d converter, it's likely caused by a damaged or disconnected transducer cable. For scales with a mast, check the connection to the weighing platform at its base, and also check the internal connection of the load cell connectors.
J
Jack PachecoAug 27, 2025
Why does the weight reading take so long to display on my Welch Allyn 5002 Scales?
- A
  Amy JacksonAug 27, 2025
  If the weight reading on your Welch Allyn Scales takes an excessive time to display, it may be due to excessive patient motion; the scale waits for the platform to settle before displaying the weight. Check that the connecting cable is firmly plugged into the readout cabinet. Also, examine the weighing platform to ensure it is not rubbing against any foreign object.
S
Sarah JohnsonAug 30, 2025
What to do if the weight reading on my Welch Allyn 5002 does not change when weight is applied?
- P
  Philip ChanAug 30, 2025
  If the weight reading on your Welch Allyn Scales does not change when weight is applied, it is possible that the platform cable, connector, or load cell transducer may be defective. Check that the weight platform is plugged into the readout.
A
Amy PittmanSep 1, 2025
What causes inaccurate weight readings with an unstable 4 corner test on Welch Allyn Scales?
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  Mark WilliamsSep 1, 2025
  Inaccurate weight readings during a 4 corner test on Welch Allyn Scales, where the test is unstable, can be caused by a missing 'Blue EAR' on the load mount. If your corner readings are more than ± 2 lb/1 kg away from the center reading, the corner with the lowest reading is the problem area. Repeat the corner test if needed and follow troubleshooting procedures for the platform.
C
cgriffithSep 3, 2025
How to troubleshoot inaccurate weight readings with a stable 4 corner test on Welch Allyn 5002?
- J
  Jeremy BenderSep 3, 2025
  If you're experiencing inaccurate weight readings on your Welch Allyn Scales, even with a stable and consistent 4 corner test, it could be due to a mechanical hang-up on the platform assembly. Inspect the four nylon feet; if they're missing or damaged, replace them. Gently tip and shake the scale to see if something is lodged in the edge. Use a screwdriver around the edge to dislodge any debris.
K
Kevin KnightSep 5, 2025
How do I fix a loose mast on my Welch Allyn 5002 Scales?
- J
  Jennifer WilliamsSep 5, 2025
  If the mast on your Welch Allyn Scales is loose, it is likely due to loose bolts. Tighten the bolts that hold the mast onto the base.
D
dianarobinsonSep 8, 2025
Why is there no power or display on my Welch Allyn 5002?
- J
  James PerkinsSep 8, 2025
  If there's no power or display on your Welch Allyn Scales, a possible cause is a damaged battery holder harness. Check the pins in the cable to ensure the harness battery holder is properly aligned and connected to the display board.

Summary

Safety Information

General Warnings and Cautions

Provides essential warnings and cautions for safe operation and handling of the scales.

Maintenance and Configuration

Recommended Service Intervals

Firmware Upgrade Process

Step-by-step guide for upgrading the firmware of the Welch Allyn Masted Scales.

Scale Setup Modes

Calibration

Calibration Procedure

Step-by-step guide for calibrating the Welch Allyn Masted Scales.

Model-Specific Disassembly

Mast Disassembly Overview

Base Disassembly Overview

Model 5122 Disassembly

Troubleshooting

Scale Troubleshooting (Beeps & Messages)

Explains scale beeps and display messages for troubleshooting.

Symptoms and Solutions

Lists common symptoms and their corresponding corrective actions for scale issues.

Welch Allyn 5002 Specifications

General

Display	LCD
Auto Power Off	Yes
Weight Resolution	0.2 lb / 0.1 kg
Connectivity	USB
Graduation	0.2 lbs (0.1 kg)
Power Source	AC adapter
Platform Size	15.75" x 13" (40 cm x 33 cm)