12 Maintenance
ASTOTHERM PLUS Instructions for Use
43
Test 8
Manual low temperature alarm
Required
Actions
1. Operate the Warmer with the lowest setpoint temperature.
2. Hold down the
“Decrease” button
at least for 3 seconds, to
start the test.
Result
The test is successful, when:
The display alternately indicates
t3
and the actual
temperature.
The actual temperature slowly decreases, and after cooling to
T
Act
= T
Set
– 4°C
-
the
“Alarm” LED
flashes yellow and
-
after another 2 minutes, the acoustic alarm signal sounds.
The test is not successful if any of the following conditions
occurs:
The display does not indicate
t3
.
The
“Alarm” LED
does not light after cooling.
The acoustic alarm signal does not beep after another 2
minutes waiting time.
The cooling time depends in the initial temperature and the
ambient temperature.
To exit the test, press the “Standby” button
to switch the
Warmer to the
Standby Mode
.
