Dupla MultiControl Gebruiksaanwijzing - Pagina 13
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Pagina afdrukken7. Source of Fault
In the case of a problem, first reset to the factory settings. If this does not solve the problem, please search for
the fault in the following table:
Fault
Temperature control is not
working
Display E01
Display E02
Alarm cannot be
deactivated
External devices are not
operated at the preset time
Fluctuating temperature
display
pH value is not displayed
pH value is not controlled
Fluctuating pH value
If repair is required, please return to where purchased.
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Possible cause
Immersion heater thermostat
overriding MultiControl
Temperature sensor cable break /
Temperature sensor not connected
Temperature sensor hot-wired
Temperature sensor defect
Time setting inactive
Temperature sensor cable too close
to a power cable
Display was switched off
pH control is not activated
pH electrode cable too close to a
power cable / the values displayed
during the calibration process had
not settled sufficiently.
Solution
Set heater thermostat 3-4° C higher
than the MultiControl
Replace or connect temperature
sensor
Replace temperature sensor
Replace temperature sensor
Check time setting and selection of
week-day
Re-locate temperature sensor
differently
Switch display on
Activate pH control
Re-locate pH electrode cable / re-
calibrate pH electrode - if necessary,
2-3 times.
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