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Chapter Five – Maintenance Procedures – Litter
112
5.7 WEIGH SYSTEM DIAGNOSTICS AND REPAIRS (OPTIONAL EQUIPMENT)
WEIGH SYSTEM DIAGNOSTIC PROCEDURE (This procedure will take approximately 10
minutes)
Diagnostic Mode Functions:
1. Calibrate Scale: This may be required in the field if the scale CPU is replaced.
2. Change Ref. Volts: This is a factory set–up mode and is not used in the field.
3. Init. to Defaults: This may be required in the field when replacing the scale CPU board.
4. Display Corner: This function displays the individual corner weights for each load cell assembly and can
be used to isolate a defective load cell.
5. Save: Changes made in the diagnostic mode (with the exception of Calibrate Scale) must be saved in
permanent memory using this function. Switching off power without saving will reset all variables to their
previous values.
Diagnostic Mode:
NOTE
It requires two people to enable the diagnostic mode for the scale system.
1. To enter diagnostic mode, unplug the bed’s power cord from the wall socket.
2. Press and hold down the LBS/KGS key.
3. While still holding the LBS/KGS key, plug the bed’s power cord into the wall socket.
4. After two seconds, release the LBS/KGS key. The scale monitor should read CALIBRATE. The diagnostic
mode is now active.
Special Key Functions in the Diagnostic Mode:
NOTE
By pressing the LBS/KGS key, the diagnostic mode functions can be scrolled.
To enter the selected mode, press the SCALE ON key.
1. The four keys listed in the group below function as POSITION keys corresponding with the four corners
of the bed’s litter. Whenever the scale monitor displays PICK CORNER NOW, press one of these keys
to select the load cell assembly at the desired corner.
A. ZERO = head end, patient’s right side
B. MINUS = foot end, patient’s right side
C. DELTA = head end, patient’s left side
D. PLUS = foot end, patient’s left side
NOTE
If the bed was manufactured in September or October, 1993, use the Bed Exit DISARM key to view the foot,
right load cell and the minus key to view the foot, left load cell.
Summary of Contents for Secure 3000
Page 78: ...Notes 78 ...
Page 106: ...Notes 106 ...
Page 184: ...Notes 167 2 ...
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Page 249: ...DH 3 94 3000 000 020 REV B 420 Alcott Street Kalamazoo MI 49001 ...