www.stryker.com 280C-009-002 REV B 1-55
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SCALE CALIBRATION (OPTIONAL)
VERIFYING THE SCALE ACCURACY
1. Remove all accessories, linens, mattress, etc. from the bed and zero the scale by:
• Press to activate the scale. The screen will display:
Weight Angle
XXX.X KG +/-XX.X°
• Press and hold ZERO. Display will read:
HOLD TO ZERO WT., followed by:
RELEASE TO ZERO (release ZERO), followed by:
DO NOT TOUCH BED (do not touch the bed)
Once the zeroing process is completed, the system will return to the Scale mode. The display will read zero
for the weight and the current angle value.
2. Place a calibrated weight on the center of the mattress support. The weight displayed should be within the following
range: ± 2% for a weight ≥100 lb (45.4 kg) or ± 2 lb (0.9 kg) if the weight <100 lb (45.4 kg).
3. If the weight displayed is incorrect, remove the weight from the bed and calibrate the scale.
Note
If the scale calibration procedure cannot be completed once it has been started, turn the main switch off and turn it back
on to restore the previous calibration data.
The scale calibration is done in three steps. Steps 2 and 3 begin automatically as soon as the preceding step is over.
Once the calibration process is over, the system returns to the main maintenance menu.
In the maintenance menus, the ZERO key returns to the previous level of the maintenance menus.
The system will automatically shut off after one minute of idle time when in the main maintenance menu. Should this
occur, the main maintenance menu will have to be accessed again.
Tools Required:
• Digital Inclinometer
Procedure:
1. Power off the bed using the main switch at the head end of the bed.
2. Power on the bed while simultaneously holding the Up and Down buttons on the scale system control panel. This
allows access to the main maintenance menu. Display will read:
DEBOG MENU
CALIB. MENU
Note
The main maintenance menu can only be accessed for five seconds after the bed is powered on. The system will shut
off after this delay. Repeat the process should the system time out.
Service Information
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