27
765042231 Rev.000
ALARMS
CODE
MEANING
AL
Lower temperature alarm
• This alarm code will be displayed if the cabinet temperature does stay more than 10K below
the storage set temperature for more than 15 minutes
Remedies
:
• check the cabinet temperature
• look at parameters A1 and A2
Effects
:
• no effect
AH
Upper temperature alarm
• This alarm code will be displayed if the cabinet temperature does stay more than 10K above
the storage set temperature for more than 15 minutes
• check the cabinet temperature
• look at parameters A4 and A5
Effects
:
• the instrument will store the alarm
id
Open door alarm
• This alarm does only occur if the door is left open for more than 1 minute
Remedies
:
• verify the state of the door – Make sure the door is closed properly
• look at parameters i0 and i1
Effects
:
• effect determined by the parameter i0
HP
High pressure alarm
• This alarm does occur if the system is operating under too high pressure
Remedies
:
• Make sure the cabinet is installed with correct clearance according to what is stated under
“positioning”
• Make sure the condenser is clean
• look at parameters i5 and i6
Effects
:
• When the HP alarm is present the compressor and the evaporator fan will be turned off and
the condenser fan will be turned on.
• effect determined by the parameter i5
