NNoottee -- Foreign objects that do not allow the trolley to reach the full out position could cause this mechanism to not
operate properly.
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Low voltage to PPoowweerr--LLOOAADD can result in misleading errors logged on the cot and trolley. Proceed with repairs after you
verify sufficient power in the battery and incoming to PPoowweerr--LLOOAADD.
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• Multimeter
• Needle nose pliers
• Charging cable (639000010139) - not included
CChheecckkiinngg tthhee bbaatttteerryy vvoollttaaggeess
Make sure that the cot and trolley batteries can be charged. Use a known, good battery to troubleshoot any potential
charging issues.
1. Make sure that you can charge the cot and trolley batteries.
2. If the battery has been charging, cycle the cot and trolley (at least ten times). Wait five minutes for the battery voltage to
stabilize.
NNoottee
• Skipping this step will result in inaccurate voltage measurements in step 4.
• If the battery has not been charging or if it is low, charge the battery (or batteries, if applicable) before you continue.
The product can shut off during troubleshooting if the battery is drained too low.
3. Remove the battery from the product.
4. Check the voltage across the positive and negative terminals.
a. Confirm the cot battery voltage is > 12.5V (Figure 2).
b. Confirm the trolley battery voltage is > 8V.
FFiigguurree 22 –– CChheecckk tthhee bbaatttteerryy vvoollttaaggeess ((ccoott bbaatttteerryy sshhoowwnn))
5. If the voltage is too low, replace the battery (or batteries, if applicable).
6. If the voltage is sufficient, continue to
Checking the incoming power to Power-LOAD
(page 28).
NNoottee -- Low battery voltage may be due to other charging-related issues. Complete all troubleshooting and identify the
root cause of the problem to avoid repeated battery failure.
6390-309-002 Rev AB.0 27 EN
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