MANUALP/4000_SERVICE_0712 July2012
13
ALARMS
There are TWO types of alarm used in the Contherm Mitre series enclosures.
Standard Alarms and Special Alarms
STANDARD ALARMS
[1-.-] [2-.-] [4-.-] [5-.-] [6-.-] [7-.-] [8-.-] [11.-] [12.-]
These alarm numbers indicate a problem with cabinet control, ie. over-
temperature, faulty sensor ,etc.
To CANCEL all the alarms except [2-.-] Press and Hold the TEMP button until
the temperature display blanks. To cancel the [2-.-] alarm, press and hold the
CO
2
button until the CO
2
display blanks. To assist any service enquiries later
please note the number of the alarm and what was done to eliminate the cause.
SPECIAL ALARMS
[3-.-] [9-.-]
These alarms can ONLY be cancelled by using the procedure outline below.
These alarms indicate that the cabinet may have lost some of its settings [3-.-],
OR that Electrical Interference [9-.-] has corrupted the cabinets internal
operating system.
To cancel the [3-.-] or [9-.-] alarms it is necessary to go into SET MODE and
check both Temperature and CO
2
set points. Once the set points of the CO
2
and
Temperature and the Temperature calibration has been checked the alarms will
cancel.
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