Cate-
gory
Alarm name Condition causing the
alarm
Indication of the
alarm
Resetting the
alarm
Priority
(*1)
Alarm
silence
Other
System failure
alarm
This alarm will occur if a wire
of the heater has snapped or
short-circuited.
The system failure
alarm indicator will
flash.
Turn the power off.
If the alarm should
recur when the pow-
er is turned on again,
the unit is considered
to be defective.
Medium 10 min.
System failure
alarm
This alarm will occur if some
internal error (a defective CPU,
a defective control board, etc.)
has occurred.
The system failure
alarm indicator will
flash.
Turn the power off.
If the alarm should
recur when the pow-
er is turned on again,
the unit is considered
to be defective.
High 2 min.
Power failure
alarm
This alarm will occur if the
power supply is interrupted due
to power failure, a disconnected
power plug, a broken power
cord, a tripped breaker or some
other cause.
The power failure
alarm indicator will
come on.
Check the power
c on n ec t io n , th e
breaker of the unit,
and the breaker of
the hospital. If no
trouble is found, the
unit is considered to
be defective.
High
Impos-
sible to
silence the
alarm
*1 Alarm priority is based on IEC 60601-1-8 (Alarm systems).
Table: Supplementation on alarm priority
Alarm priority Alarm indication External alarm indicator Audible alarm
High Red, flashing Continuously on Rhythmic
Medium Yellow, flashing None Intermittent with short intervals
Low Yellow, continuously on None NoneIntermittent with long intervals
Warning information to the user None None None
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