General Purpose Refrigerator and Freezers
Using the Display | 15
Doctor View Test function
Press for few seconds the button
to activate
DOCTOR-VIEW function. This TEST checks buzzer for
5 sec. (TEST BUZZER); then, it shows by sequence the
SETPOINT, EVAPORATOR temperature, CONDENSER
temperature, high and low set limits, alarm time delay,
the maximum duration allowed when DOOR is open and
battery tension (if battery is installed).
If any button is pressed during the test, this will stop
automatically.
Alarm and Failure Signals
Fault in Progress Warning
In the event of any system abnormality, an audible and
visual warning is immediately signalled to the user by
means of the flashing display and the sound of the
buzzer.
In the event of a temperature alarm, the display will also
show the string
alternating with the
pre-set display mode.
Press any button at any time to silence the buzzer.
The faults that the controller can detect are as follows:
Fault Ended Warning
When the alarm condition is finished, the display will
alternately visualize the message ALARM NOTICED with
the standard pre-set display until the user accesses the
Alarm list menu.
Table 7. Faults detected by the controller
Message
Type of Fault in Progress
HIGH TEMP.
High temperature inside the
chamber
LOW TEMP.
Low temperature inside the
chamber
POWER FAIL HT
High temperature due to power
failure
MAINS FAILURE
Power failure
DOOR
Open door
PROBE S1
Faulty thermostat control probe
(call Service)
PROBE S2
Faulty evaporator probe (call
Service)
ALARM DETECTED
PROBE S3
Faulty auxiliary probe (call
Service)
LOW EVAPORAT
Low evaporation temperature
reached (call Service)
HIGH CONDENS
High condenser temperature
reached (call Service)
HT EVAPORAT
High evaporator temperature
reached (call Service)
h00:m00
Clock-data loss (call Service)
DEFROST TIME
Inadequate defrosting time (call
Service)
COMPRES. WORK
Maximum percentage of
continuous operation of the
compressor in 24 hours reached
(call Service)
I2C
Events or strings memory failure
(call Service)
CLEAN CONDEN
Inadequate thermal exchange:
clean or free the condenser
NO BATTERY
Back-up battery disconnected
BATTERY FAILURE
Battery faulty or worn (check the
battery status)
NOTICED ALARM
A temperature alarm occurred in
the presence or absence of mains
IMPORTANT:
With all above-mentioned signals,
the refrigerator will continue to function correctly
until the arrival of a service engineer.
IMPORTANT:
During this phase, press the
button
to directly access the recorded alarm
list visualization menu and the ALARM NOTICED
message will stop being visualized even if the
user exits from the display using the Esc. button.
Table 7. Faults detected by the controller
Message
Type of Fault in Progress
