Alarm messages
1. LED 
flashes
If appears in the display, the appliance has a fault. Consult your nearest customer service point.
2.LED 
flashes, the display reads HI or LO
The interior is too warm (HI) or too cold (LO).
The audible warning signal sounds (unless the audible warning signal function has been deactivated).
Note
The alarm parameters can be adjusted. See Adjusting the alarm parameters.
3. HACCP flashes
There has been a power cut of some length or the interior was too warm or too cold during a certain period of time.
Up to three alarm events can be stored and called up.
Alarm test
This test checks the function of the internal and any external connected alarm device.
The appliance does not stop its refrigerating function during this test.
Activating the test
Press 
+ 
for 5 seconds.
•The display will change to a temperature value of 0.2°C below the set upper alarm limit.
•The temperature value will now rise by 0.1°C every 2 seconds.
•When the upper alarm limit is reached, 
will appear in the display. An external alarm unit connected to the floating alarm output will now be activated.
•The temperature value will continue to rise up to 0.2°C above the upper alarm limit.
•The same process will take place automatically for the lower
alarm limit. 
will appear in the display.
The LED 
will be lit during the test.
The electronic control system will automatically switch back to normal operating mode.
Cancelling the test prematurely
Press 
for 5 seconds.
Note
If the values of the upper and lower alarm limit (AL and AH in the section entitled "Adjusting the alarm parameters") are set to 0, 
and 
will appear in the display during this test.
Adjusting the alarm parameters
The alarm limits (difference to the set temperature) and the alarm delay (delay until alarm goes on) can be adjusted.
Press 
for 5 seconds. Display = 
Display = 
Display = 
Display = 
Display = 
Display = 
Display = 
Lower alarm limit
Display = temperature difference in °C
Use buttons 
and 
to select the desired setting.
Display = 
Display = | Upper alarm limit |
Display = temperature difference in °C
Use buttons 
and 
to select the desired setting.
Display = 
Display = 
Display = alarm delay in minutes
Use buttons 
and 
to select the desired setting.
Display = 
Press 
for 5 seconds.
The electronic control system will automatically switch back to normal operating mode.
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