Temperature Alarms - Gram COMPACT 220 Service Manual

Temperature alarms

The following temperature alarms can be displayed:
Ah Alarm high temperature
AL Alarm Low temperature
If an alarm occur, Ah or AL will be shown alternating with the current temperature.
If the temperature gets back within the accepted limits, the current temperature will be shown in the
display and will remain lit until the alarm has been reset. After 3 days
alarm will still be kept in the alarm log.
Displaying alarms:
The temperature alarm log stores information related to the latest 10 temperature alarms (named A
1 to A10). If a new alarm occurs the oldest alarm (A10) will be erased.
Push once to open the log.

If there is no present or logged temperature alarm the display will show "no" flashing for 4
seconds. After that the controller will revert to normal operation.

If there are present or logged temperature alarms the display will show the most recent
temperature alarm being:
A 0
A 1.. A10
Once the cabinet temperature, related to a present temperature alarm (A 0), is no longer outside the
alarm ranges, this A 0 alarm becomes the new A 1. Etc.
Use and to navigate between the different alarms.
Push to open a temperature alarm in order to show:
Example 1 – alarm A 0: (Present temperature alarm)
Ah Indicating it is a high temperature alarm (AL indicating a low temperature alarm)
8.0 the maximum temperature in °C during the alarm (If AL the minimum temperature)
dur alarm duration until now
01h the alarm has been ongoing for 1 hour
15' .... and 15 minutes
Example 2 – alarm A1 to A10: (alarms in the log – not present)
Ah Indicating it is a high temperature alarm (AL indicating a low temperature alarm)
9.0 the maximum temperature in °C during the alarm (If AL the minimum temperature)
dur alarm duration
01h the alarm lasted for 1 hour
15' .... and 15 minutes
tSE time since the end of the alarm
08h the alarm ended 8 hours ago
Each value is displayed alternately for approx. 1 second.
It is not possible to reset or delete a present temperature alarm A 0
Present / ongoing temperature alarm.
Not present temperature alarms logged
(maximum 99 hours)
will be turned off, but the
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