6. Raise the canopy a couple of inches and open V1 & V2. Verify that no more than 10 bubbles appear over a
one minute period. If unit fails replace two-way valve or spring assembly.
When test is completed, reattach 10 mm hose to expansion chamber.
2.6 Scale Check
The scale can be calibrated or checked using a Class F calibration weight between 1 kilogram and 8 kilograms
(accuracy of 0.01%). (This class F Weight is available as part number 6600-0209-800.)
NOTE: For EU Member States:
• This scale has been designed and manufactured in accordance with the non-automatic weighing
instruments (NAWI) directive, 90/384/EEC. In order to assure complete compliance to the Directive, have
the unit calibrated by an accredited local test authority. If you are unable to identify a test authority, please
contact your GE representative or distributor for assistance.
• Periodic re-verication (calibration) of the scale must be performed in accordance of the National
Regulations Governing Legal Metrology. The required re-veriîš¿cation frequency will vary by country. Contact
your local weights and measures authority for more information.
2.6.1 Mechanical Check
1. Examine the scale connector cord for damage.
2. Examine the LEMO connector to make sure it is tightly assembled.
3. Check for bent pins.
4. Examine the scale for obvious signs of damage.
5. If any of the parts are damaged replace them.
2.6.2 Weight Checks
IMPORTANT: If the scale fails the weight checks, calibrate it according to the procedure in Chapter 3 and then
perform the weight checks again.
2.6.2.1 Center Weight Check
1. Enter the service screen by holding the override key (>37) while powering up. Set the scale resolution to 5
grams (if option is available).
2. Shut oî º the unit and power it back up to enter normal weighing mode.
3. Place a known weight in the center of the mattress and perform a weigh cycle. The displayed weight should
be the known weight +/- 10 grams.
16 6600-0343-000 104 © 2001 by Datex-Ohmeda, Inc.. All rights reserved.
Chapter 2: Service Checkout
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