PROPRIETARY AND CONFIDENTIAL DRAFT 5 Feb 04
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Alarms
All alarm indicators are displayed in the upper right corner of the controller panel and illuminate when
activated.
High Temperature
When the skin probe is attached to the infant and the skin temperature exceeds 39 °C (102 °F), the heater
automatically turns off, the High Temp indicator flashes, and the alarm sounds continuously. To silence
the alarm for 2 min, press the Silence/Reset key. After correcting the cause of the alarm or after the infant
temperature falls below 38.5°C (101.3°F), the alarm automatically resets. If the skin probe detects a
temperature of 39.5°C (103.1°F), the unit shuts down, and a System Fail alarm activates.
Check Patient
After 10 min of operation in Manual Mode, the Chk Patient indicator illuminates, and the alarm sounds.
Thereafter, the Chk Patient indicator remains illuminated, and the alarm sounds every 30 s for 5 min. To
silence the alarm for 10 min, check the infant temperature, and press the Silence/Reset key. If the alarm
has not been acknowledged after a total of 15 additional min, the heater shuts down, and a continuous
ramping alarm sounds. To activate the heater, check the infant temperature, and press the Silence/Reset
key.
Probe
If the skin probe fails (short- or open-circuits), or if the controller is in Baby Mode and there is no skin
probe connected to the controller, the Probe indicator flashes and a ramping alarm sounds. Additionally,
the word “Lo” displays in the baby temperature display due to the baby skin probe reading <18 °C
ambient temperature. After correcting the cause of the alarm, the alarm automatically resets.
Baby Temperature
When the temperature sensed by the skin probe is 1 °C above or below the Set Temperature display
setting in Baby Mode, the Baby Temp indicator flashes, and an alarm sounds. The alarm sounds first at a
low level, then at a medium level, and then at a high level. Additionally, if the temperature is 0.2°C above
the Set Temperature display, the heater turns off automatically. To silence the alarm for 10 min, check
the infant temperature, and press the Silence/Reset key.
Power Failure
NOTE:
Turning off the On/Off switch keeps the controller and heater from starting automatically when power is
returned to the unit. The settings are retained in memory.
When AC power to the unit is interrupted while the controller is on, the Power Fail indicator flashes, and
the alarm beeps. To silence the alarm, press the ON/STBY switch. When power is restored to the unit, the
alarm automatically resets, and all the settings are retained.
System Failure
If an internal malfunction is detected, the System Fail indicator flashes, and the alarm beeps. In addition,
the Baby Temperature display shows an error code, such as Er01 to Er023. A prolonged brown-out,
such as 5 min or longer, also causes this alarm. This alarm is not resettable. Refer the unit to qualified
service personnel.
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