Quick Start Guide
Thermo Scientific XBF40-MD Series Blast Freezers
Installation, Operation and Service Manual
25
12.5 Alarm Signals
12.6 Silencing Audible
Alarm
The audible alarm can be silenced by pressing any key.
12.7 Setting the Real
Time Clock
12.8 Manually Engage a
Defrost Cycle
Push and hold the
DEF
key for more than 2 seconds and a manual defrost
will start.
MESSAGE
CAUSE
P1
Cabinet probe failure
P2
Evaporator probe failure
H2
Maximum temperature alarm
LA
Minimum temperature alarm
dA
Door open
rtc
Real time clock alarm
rtF
Real time clock board failure
1
When the device is switched
ON
, it’s necessary to program the time and day.
2
Enter the
PR1
programming menu by pushing the
SET + DOWN
arrow keys
for 3 seconds.
3
The
rtc
parameter is displayed. Push the
SET
key to enter the real time clock
menu.
4
The
Hur
(hour) is displayed.
5
Push the
SET
key and set current hour by the
UP
and
DOWN
arrow keys
then push
SET
to confirm the value.
6
Repeat the same operations on the
Min
(minutes) and
dAY
(day) parameters.
7
To exit: Push the
SET + UP
arrow keys or wait 15 seconds (without pushing
any keys).
