Ohmeda Ohio 2000 IWS Series, Руководство по эксплуатации и обслуживанию

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A-5
6600-0255-000 12/20/00
Appendix
A-5
System Failure Alarm:
This alternating, two tone alarm cannot be silenced.
Alarm activates and turns the heater off if any of the following occurs:
1. The analog-to-digital converter calibration drifts by more than 0.3°C.
2. The heater solid state relay fails.
3. The microprocessor fails or -
4. The self check functions fail on power-up.
Note: Excessive EMI in the hospital environment can trigger the system failure alarm.
Note the error code, if any, and switch off the unit. Wait ten seconds and switch the
power back on. If the system fail alarm recurs, remove the warmer from use.
Check Patient Alarm:
Manual Mode: Single tone alarm activates if the heater has been energized at greater
than 25% heat for 12 continuous minutes.
Servo mode: Alarm activates when the heater has been at full power for 12 continuous
minutes.
Alternating two tone alarm activates after 3 minutes if the Check Patient Alarm is not
silenced.
Power Failure Alarm:
Single tone alarm activates if the line power is interrupted. The power failure LED on
the display panel lights.
A rechargeable maintenance-free nickel cadmium battery powers the audio alarm and
the microprocessor for up to 10 minutes with a fully charged battery. If power is re-
stored within 10 minutes, the mode of operation and the set point are recalled.
Heat Off Alarm:
The Light-Emitting-Diode (LED) indicator activates when the heater is in the side
position.
The audio alarm activates after the heater has been in the side position for 5 minutes.
Environmental Specifications
Operating Temperature Range: 10 to 40°C.
Transport and Storage Temperature Range: -25 to 60°C.
Transport, Operating and Storage Pressure Range: 500 to 1060 hPa
Operating and Storage Relative Humidity Range: 0 to 95%.