Ohmeda Ohio 2000 IWS Series, Operation And Maintenance Manual

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2/Setup and Checkout Procedures
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3. Press the foot switches on both sides of the unit and verify that they raise and
lower the bed.
E. Interlock Switch Check
1. Place the warmer in the manual mode at 25% power output.
2. Rotate the heater assembly to the side. Verify that the heat off indicator light is On
and the % power display indicates 0% heat.
3. Rotate the heater assembly to the normal operating position. Verify that the heat off
indicator light is Off and the % power display indicates 25%.
F. Power Failure, Memory and Battery Test
1. Operate the unit in the manual mode with the heat set at 25% power for a minimum
of one hour to charge the battery.
Note: The battery must be fully charged to pass the 10 minutes test or partially
charged to pass the two minute test. If the battery is defective, replace it. Refer to
the service manual. There is no maintenance required for the battery. The battery
has a two year replacement schedule.
2. Remove the Warmer power plug from the power source for two minutes. Do not
switch the power Off. The power failure alarm should sound for two minutes and
the power failure indicator on the display panel lights.
Note: If the power failure alarm is tested for 10 minutes, the warmer must be
connected to the correct power source and operated for 24 hours to recharge the
battery before allowing a patient to occupy the Warmer.
Note: The power failure alarm will not operate if the circuit
breaker trips.
3. Reconnect the warmer to the power source. Verify the following:
a. The warmer is operating in the servo mode (except model 2001).
b. The heat output is still set at 25% power.
c. The audio power failure alarm is off.
6600-0255-000 09/16/96