Troubleshooting guide

MAGNUM VERSION 8 MANUAL REVISION 3.1
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When the password for Maximum Run Time is entered the user can reset the maximum number of
compressor run hours. If reset is selected and chiller state is MAXIMUM RUN TIME the state will be changed
to UNIT IS OFF. The maximum run hours counters for all compressors will be reset and normal processing
will be allowed. If reset is selected and the chiller state is not MAXIMUM RUN TIME the state will not be
changed but the maximum run hours counter will be reset.
To activate the Maximum Run Time function from the Magnum keypad, open the Password menu option and
enter the Maximum Run Time password. The following pop-up will appear asking if you would like to activate
this feature.
When active, the following heading will appear on all Status screens, showing that the unit is locked out until
Maximum Run Time authorization is entered.
Here is what the status screen looks like through MCS-Connect:
To deactivate the Maximum Run Time function, navigate back to the password screen and the following
screen will appear. Select Yes to deactivate.