Grant Optima TX150 Manual Del Operador página 42

Symptom Possible cause
Display shows Faulty temperature
"Internal
probe
Temperature
Probe Fault"
Display shows External temperature
"External
probe not plugged in
Temperature
Probe Fault"
Faulty temperature
probe
Display shows One or more program
"Program Fault"
segments contains
an invalid setting or
could not be read
from the memory
Display shows Heating water at or
"Overheating-
near to boiling
Power reduced "
without lid
Heating very large
volumes of liquid with
large thermal losses
Display shows Faulty fuse(s), relay
"Service required
or heater element
01"
Display shows Pump or propeller is
"Service required
obstructed
02"
Faulty motor
Display shows PCB fault
"Cross-check
Failure"
For any other errors or service requests, please contact Grant Instruments service
department.
30424 V6
Page 41
Action required
Have a competent person check the probe for an
open or short circuit fault or contact Grant.
Check the external probe is properly connected at
the rear panel.
Have a competent person check the probe for an
open or short circuit fault or contact Grant.
Reload the program if it came from LabWise or edit
each segment on the unit (TXF200 only)
Add a lid to reduce thermal losses and leave unit
running with the "Overheating" 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 "Overheating" warning present.
If the alarm has not cleared within 1 hour contact
Grant.
Have a competent person check the product or
contact Grant.
Remove obstruction.
Have a competent person check the product or
contact Grant.
Have a competent person check the product or
contact Grant.
www.grantinstruments.com
TX150 & TXF200
Operating Manual