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Rice Lake
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RL550
User Manual
34 pgs4.25 Mb0
Table of contents
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Rice Lake RL550 User Manual

Rice Lake Digital Chair Scale
Model 550-10
Software Revision 11454
Technical Manual
155191 - Rev C
Contents
Technical training seminars are available through Rice Lake Weighing Systems. Course descriptions and dates can be viewed at www.ricelake.com/training or obtained by calling 715-234-9171 and asking for the training department.
1.0 Introduction.................................................................................................................................. 1
2.0 Cautions and Warnings................................................................................................................ 2
3.0 Scale Assembly ........................................................................................................................... 3
3.1 Unpacking Your Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.2 Save Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.3 Setting Up Your Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4.0 Scale Operation ........................................................................................................................... 9
5.0 Scale Configuration ................................................................................................................... 12
6.0 Test Menu................................................................................................................................... 18
7.0 RS-232 Communication............................................................................................................. 19
7.2.1 Escape Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.2.2 Maintenance Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.0 Troubleshooting and Testing ..................................................................................................... 25
9.0 Maintenance .............................................................................................................................. 25
10.0 Rice Lake Chair Scale Specifications....................................................................................... 26
For More Information ............................................................................................................................. 27
Rice Lake Digital Chair Scale Limited Warranty................................................................................... 28
© 2014 Rice Lake Weighing Systems. All rights reserved. Specifications subject to change without notice.
Printed in the United States of America. Software revision 114154
September 2014 Rev. C
ii Rice Lake 550 Chair Scale Technical Manual
Rice Lake continually offers web-based video training on a growing selection
of product-related topics at no cost. Visit www.ricelake.com/webinars.

1.0 Introduction

The Rice Lake 550 Digital Chair Scale is efficiently designed to provide accurate, reliable and repeatable weight measurements and has features that enable a fast and convenient weighing process. The Rice Lake 550 Digital Chair Scale features an ergonomic design, has two armrests that can be lifted separately and a foot rest that can be folded. Its four swivel casters can be locked in place.
This manual can be viewed and downloaded from the Rice Lake Weighing Systems web site at www.ricelakehealth.com. Technical information on these products and other medical products are available on the Rice Lake W
eighing Systems web site.
Figure 1-1. Rice Lake 550 Digital Chair Scale
1
Rice Lake 550 Digital Chair Scale Technical

2.0 Safety

WARNING
CAUTION
WARNING
Important
With the Rice Lake 550 Digital Chair scale there are certain precautions that should be taken to prevent personal injury to the user and damage to your scale.

2.1 Safety Signals

Safety Signal Definitions:
Indicates a potentially hazardous situation that, if not avoided, may result in death or serious injury
Indicates a potentially hazardous situation that, if not avoided, may result in minor or moderate injury.
Indicates information about procedures that, if not observed, could result in damage to equipment.

2.2 Safety Precautions

Do not operate or work on this equipment unless you have read and understand instructions in the manual. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Rice Lake Weighing Systems dealer for replacement manuals. Proper care is your responsibility.
Before attempting to operate this unit, make sure every individual who operates or works with this unit has read and understands the following safety information. Plea
se follow these instructions carefully.
• Do not transport the scale while the platform is loaded.
• Always lock the caster brakes of the chair before seating the patient.
• Make sure the footrest is in the up position when seating t
he patient.
• Do not drop the scale or subject it to violent shocks.
• For accurate weighing, the scale must be placed on a flat, stable surface.
• For accurate weighing, verify proper operation according to the procedure
described in this manual
before each use.
• Weight exceeding the maximum capacity (660 Lb/300
Kg) may damage your scale.
• Do not use in the presence of flammable materials.
• Operating at other voltages and frequencies
than specified could damage the equipment. Use only
medically approved AC adapters.
• If the “
LO Bat” indicator activates, for accurate weighing, replace the batteries or connect the scale to an
AC power source as soon as possible.
• These scales are used to determine weight
• To avoid cross contamination, the scale plate must be cleaned regularly
of people while sitting.
. It is recommended after each weighing which could result in potential contamination such as when there is direct skin contact during the weighing process.
• The scale is not waterproof so avoid cont
• To prevent injury, do not exert unne
act with excessive moisture.
cessary force on the arm rests.
2 Rice Lake 550 Digital Chair Scale Technical Manual

3.0 Scale Assembly

Note

3.1 Unpacking Your Scale

Place the unopened box in an open area that has ample room for unpacking the scale.
Parts contained in the shipping box include:
• The chair scale
• This manual
• Box labeled
•The Parts Inside box contains the following:
• Serial communication cable
• 6 AA batteries
• 5 mm Allen key
• 4 M6 x 16 Allen screws (to attach seat to base)

3.2 Save Packaging

If the Rice Lake 550 Digital Chair Scale must be returned for any reason, it must be properly packed with sufficient packing materials in the original carton.
Damage caused by improper packaging is not covered by the warranty.
Parts Inside

3.3 Setting Up Your Scale

Use the following steps to set up the Rice Lake 550 Digital Chair Scale.
Move the box into an area where the scale can be assembled. It’ level surface for the most accurate weighments.
1. Locate the operator’s manual from inside the box and set it aside as it proper scale removal and set up.
Figure 3-1. Chair Scale Packaging Once Out of the Box
2. Locate and remove the “Parts Inside” box and locate the 5 mm Allen key.
s recommended that the scale be placed on a hard,
will provide instructions on the
Rice Lake 550 Digital Chair Scale - Scale Assembly 3
3. Remove top Styrofoam and remove the seat from the attached Styrofoam.
Note
Figure 3-2. Remove Seat From Packaging
4. Set the seat aside for later assembly.
5. Remove the side Styrofoam and the back handle Styrofoam.
Figure 3-3. Remove Side Styrofoam From Packaging
6. Take out the scale from remainder of packaging material.
The chair is heavy so use assistance in taking it out of the box and placing it on the floor, making sure it does not get dropped
.
Figure 3-4. Chair Scale Without Packaging Materials
7. Collect the Styrofoam pieces and place them back in the carton box.
4 Rice Lake 550 Digital Chair Scale Technical Manual
Chair Assembly
Remove screws to release the back handle frame
Tighten screws once frame has been rotated
Use the following steps to assemble the chair.
1. Use the Allen key provided in the “
2. Release both of the screws holding the back ha
Figure 3-5. Remove Screws to Release the Back Handle Frame
Parts Inside” box.
ndle frame (which is marked with circles in Figure 3-5).
3. Pull out the back handle frame and rotate it so that the indicator will be facing up.
4. Insert the back frame and secure it with the screws.
Figure 3-6. Pull out Frame and Rotate
Figure 3-7. Tighten Screws Once Frame Has Been Rotated and Reinserted
Rice Lake 550 Digital Chair Scale - Scale Assembly 5
5. Connect the load cell cable and indicator cable making sure to position the load cell cable on the grooves
Note
so that it doesn’t get damaged or pinched.
Figure 3-8. Connect Load Cell Cable and Indicator Cable
6. Use the Allen key (provided) to release both screws holding the arm rest frame (marked with circles below).
Figure 3-9. Loosen Screws Holding Arm Rest Frame
7. Rotate the arm rest until the arm rests are parallel to the seat base.
8. Tighten the screws to secure the arm rests in place.
The arm rests can move up and down to allow easy patient access
.
Figure 3-10. Arm Rest Assembly
6 Rice Lake 550 Digital Chair Scale Technical Manual
9. Place the seat of the seat base and secure it into place using the four (4) M6 x 16 Allen screws.
Secure seat to scale using four screws
Bubble level location
Adjust bolt located above caster to adjust bubble level
Note
Figure 3-11. Secure Seat to the Scale Using Screws
10. Use level bubble to check for level and adjust feet as needed by adjusting bolts located on top of each caster wheel.
Figure 3-12. Bubble Indicates that the Scale is Level
Ensure casters are in a locked position prior to having a patient sit down on the chair scale.
Figure 3-13. Brake Location on Each Caster Wheel
11. Foot rest must be in the UP position prior to patient sitting down on the chair scale. Once the patient is seated, you can lower the foot rest.
Figure 3-14. Flip Footrest Down
Rice Lake 550 Digital Chair Scale - Scale Assembly 7
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