9
SC112N-AC
Operation
User Manual
Messages and Alarms
The following table explains messages and alarms that the electronic controller displays. If a
warning or alarm persists, contact a service agent.
Messages
Alarms
Display Description
The chiller is cooling warm product.
The chiller is in Day mode and the electronic controller displays the chiller temperature.
The chiller is in Cold Climate Protection (CCP) mode. The chiller enters CCP mode if the ambient
temperature in the room gets too cold. The lights remain on and cannot be switched off.
Defrost cycle in progress.
The chiller is in economical Night mode. In Night mode the temperature inside the chiller is
moderated and the cabinet lights turn off. The chiller can be switched into Day mode by pressing
the Day - Night button on the electronic controller faceplate.
Alarm code Buzzer Alarm LED Description
Reset
Off
On
CO
2
condenser high temperature
pre
-
alarm status
Automatic
On
On
CO
2
condenser high temperature alarm
status
• Manual (A14 = 0)
• Automatic (A14 > 0)
On
On
Open door alarm
Automatic
On
On
Second probe error
Automatic
Off
On
Probe 2 error, or pressure switch fault
Automatic
Off
On
Door switch fault
Automatic
Off
On
Mitigation algorithm when enabled, if
regulation temperature >
/b
and
increasing
Automatic
Off
On
Internal parameters error
Not possible
Off
On
Operating parameters error
Manual
On
On
High voltage condition
Automatic
On
On
Low voltage condition
Automatic
On
On
Refrigerant system failure alarm
Automatic
On
On
High temperature alarm
Automatic
On
On
Low temperature alarm
Automatic
On
On
CO
2
high pressure pre-alarm status
Automatic
On
On
CO
2
high pressure alarm status
Manual
