Grant Instruments T100-MST20 - Manual (Page 18)

31083 V2 T100-MST20
Page 17 Operating Manual
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Display shows
“Open” Faulty temperature
probe Have a competent person check the probe for an
open circuit fault or contact Grant.
Display shows
“Shrt” Faulty temperature
probe Have a competent person check the probe for a
short circuit fault or contact Grant.
Unit showing
erratic
temperatures Calibration values not
set correctly Restore the factory calibration settings (see section
5.2.7) then re-calibrate if required (see section
5.2.6).
Display shows
“Hot” Heating water at or
near to boiling without
lid
Heating very large
volumes of liquid with
large thermal losses Add a lid to reduce thermal losses and leave unit
running with the “Hot” warning present. If the alarm
has not cleared within 1 hour contact Grant.
Add measures to reduce thermal losses and leave
unit running with the “Hot” warning present. If the
alarm has not cleared within 1 hour contact Grant.
Display shows
“Fuse” Faulty fuse(s) Have a competent person check the internal fuses or
contact Grant.
Display shows
“Crct” PCB fault Have a competent person check the product or
contact Grant.
Display shows
“Self” Safety relay fault Have a competent person check the product or
contact Grant.
Stirrer motor not
rotating Stirring propeller or
pump impeller is
obstructed
Faulty motor Clear obstruction.
Have a competent person check the motor or contact
Grant.
Display shows
“Cold” Accidentally entered
manufacturer reset
mode Warning can be cleared by pressing S button, but
note that all settings (including any factory
calibration) will be reset to the default values.
Contact Grant Instruments service department for
assistance if required.
For any other errors or service requests, please contact Grant Instruments service
department.