Error codes – Heidolph MR Hei-Tec User Manual
Page 31

23
Error codes
NOTICE
Error code displayed on the device
1. Perform a reset.
2. Implement the measures suggested in the table below.
MR Hei-Standard
Error code
Cause
Consequence
Measure
LED I/O flashes
one time
-
Heating function off. Please contact our
Technical Service.
LED I/O flashes
two times
The actual temperature
exceeds the set
temperature on the sensor of
the temperature sensor by
more than 25 °C:
a. Temperature control
defective.
b. Exothermic reaction.
c. Test setup not optimal.
Check test setup.
Please contact our
Technical Service.
LED I/O flashes
three times
a. Speed control knob
defective.
b. Temperature control knob
defective.
c. Heating button defective.
Heating function off. Please contact our
Technical Service.
LED I/O flashes
four times
Motor defective.
Heating function off.
Stirring function off.
LED I/O flashes
five times
a. Sensor break.
b. Temperature sensor is
connected or disconnected
whilst the heating function
is switched on.
(IMPORTANT: The tempera-
ture sensor must only be
connected or removed when
the heating function is
switched off)
Heating function off. Replace temperature
sensor (only in case of
“a”.).
Switch off the device.
Connect temperature
sensor (see chapter
"Installation
Switch on the device.
MR Hei-Tec
Error
code
Mode
Cause
Consequence
Measure
„E11“,
„E12“,
„E13“,
„E14“
-
Heating function off. Please contact our
Technical Service.