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•DW-86L490J/490JA
12
Alarm
Alarms
Alarm triggering conditions
When this indicator is on, the
High temperature
unit temperature reaches the
alarm
high temperature alarm limit
When this indicator is on, the
Low temperature
unit temperature reaches the
alarm
low temperature alarm limit
Power failure
Equipment loses power
alarm
Condenser fi lter element
Dirty condenser
is clogged or the ambient
alarm
temperature is too high
Ambient temperature is higher
High ambient
than 32℃ and lower than 38℃
temperature alarm
Ambient temperature exceeds
38℃
Main cabinet temperature
control sensor fails
Condenser sensor fails
probe failure alarm
Ambient temperature sensor
fails
Heat exchanger sensor fails
Low battery capacity or
Low battery alarm
battery switch is not turned on
The door remains open for
Door open alarm
more than 5 minutes
Indicators
Buzzers
15 min. delay then
buzzer sounds
intermittently (note:
Alarm indicator fl ashes
delay of 3 hours
following initial power
up)
Alarm indicator fl ashes.
Buzzer delays 1
Display shows temperature
minute then sounds
and blinks intermittently.
intermittently
Buzzer sounds
Alarm indicator fl ashes
intermittently
Alarm indicator fl ashes
---------
Buzzer sounds
Alarm indicator fl ashes
intermittently
Alarm indicator fl ashes.
Display alternates back
Buzzer sounds
and forth between E2 and
intermittently
cabinet temperature.
Alarm indicator fl ashes.
Display alternates back
Buzzer sounds
and forth between E1 and
intermittently
cabinet temperature.
Alarm indicator fl ashes.
Display alternates back
Buzzer sounds
and forth between E0 and
intermittently
cabinet temperature.
Alarm indicator fl ashes.
Display alternates back
Buzzer sounds
and forth between E3 and
intermittently
cabinet temperature.
During the test, the alarm
---------
indicator fl ashes.
Buzzer sounds
Alarm indicator fl ashes
intermittently
21
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