Thermo Ramsey - Hoferick Engineering GmbH

Maintenance
4-4
14. Calib Time
If a calibration check time is entered and the time expires, this alarm occurs.
The purpose is to remind the operator that the calibration has not been
checked for a considerably long period.
Check Calibration
15. Ext. Alarm 1
Digital inputs can be programmed to detect external alarm conditions such
as emergency switches, max level switches or other. This alarm is
associated to the external alarm #1.
Check External alarm #1.
16. Ext. Alarm 2
Check external alarm #2.
17. Ext. Alarm 3
Check external alarm #3
18. Overflow Tot.
This message indicates the output pulse generator for the remote mechanical
totalizer has reached an overflow condition. The rate may be too high or the
pulse divider has been set to small.
Check the rate.
Check and eventually increase the pulse divider.
This message is also displayed if the Master Total rolls over.
19. AZT Limit
The Auto Zero Tracking function has reached the maximum limit of tare
that is allowed to be autmatically cleared. The scale may be dirty or
misaligned.
Check and clean the scale.
Perform an Auto Zero.
20. Batch Deviat.
This alarm is only visible if the optional Load Out board is installed. It is
generated when a batch is run and the error detected at the end of the batch
is higher than specified.
Check the parameters of the load out.
Adjust the preset value.
21. BCD Error
This message is only displayed if the optional BCD output board is installed.
If the variable to be converted in the BCD format has more tha 4 digits, the
alarm is generated.
Check the size of variables and the BCD data setup.
Replacement Parts Thermo Fisher Scientific
REC 4175 Rev B