4 USER
’S INSTRUCTIONS
M-7.3-16 Rev. 05 09/03/15 BLOOD BANK REFRIGERATORS AND PLASMA FREEZER
18
Use and maintenance manual
4.5 ALARM CODES
Temperature alarms are activated with a delay.
Error Parameters = wrong parameters entered
Type of
alarm
Alarm on
Display
Description of alarm
1
AL00
Power Failure = when power is restored, a message is shown
indicating length of time of power failure
2
AL01
Faulty Temperature Probe (S1 probe damaged; it can be reset)
BT (negative temperature)
– compressor works continuously
TN (positive temperature)
– compressor works according to
pre-set ON and OFF times
3
AL02
Damaged probe of Evaporator temperature
4
AL03
High Temperature (=defrost alarm)
5
AL04
Low Temperature (=freezing alarm)
6
AL05
Blocked/dirty condenser (= condenser high temperature alarm)
please see section 5
– ordinary maintenance
7
AL06
Damaged probe of Condenser temperature (= probe S3 damaged)
8
DOOR
Open door alarm
9
AL70
No battery = battery is low
;
check is made automatically every 10
hours.
10
AL71
No power (= power failure)
13
Full Memory
Full memory
– download records
14
Clock
Damaged clock
15
AM1
General alarm - Condenser cleaning
16
AM2
General alarm
– check/maintenance on appliance is required
17
AM3
Security
Full Memory
– download records. When the appliance is on, alarms and data of probes are
recorded. Each single record is related to date and time. It’s possible to record a maximum of
46000 entries (which corresponds to about one month recording). Then you have to download
records on a USB pen drive (a specific alarm will advise you when memory is full).
In case you don’t want to download records, press ALARM key and then MUTE key. The alarm
message will disappear and the controller will overwrite on previous registrations
When alarm starts, Led DL6 and buzzer are on, the symbol of triangle is blinking, indicating the
code and type of alarm. Above mentioned alarm is recorded in memory of alarm. In order to
visualize it, press key F2 (it will be shown as
“AL”).
Press key MUTE and buzzer is silenced.
When alarm is restored, buzzer is disabled, Led DL6 is off, AL symbol and triangle symbol
disappear.
When alarm issue is solved, press key MUTE.
When alarms AL03 and AL04 are no more present
, press key Mute, a message “DOWNLOAD
RECORDS
” appears and you can download records by using USB pen. When procedure is
finished, alarm is reset automatically.
