Mr Hei-Tec / Mr Hei-Connect - Heidolph MR Hei-Standard Betriebsanleitung

Troubleshootimg

MR Hei-Tec / MR Hei-Connect

Error messages
E11, E12 E13, E14
No heating function
E21
No heating function
(safety function*)
E22
No heating function
(safety function*)
E23
(only precise mode)
▪ No heating function
▪ No selection possible
E33
▪ No heating function
▪ No selection possible
▪ No reaction of rotating
button
E34
▪ No heating function
▪ No rotating function
▪ No selection possible
E35
▪ No heating function
▪ No selection possible
E41
▪ No heating function
▪ No rotating function
E51, E52, E53
PC Err
(only MR-Hei Connect**)
* These two safety functions can be deactivated (see chapter "Operation, Heating with temperature sensor:
MR Hei-Tec, MR Hei-Connect", section "Deactivate and activate safety functions").
**Also see chapter „Interface MR-Hei Connect, Interface commands"
If you experience a malfunction which can not be resolved, please contact your authorized
Heidolph Instruments distributor immediately.
Possible reason
▪ Hotplate temperature >25 °C to
set temperature
▪ Hotplate sensor defective
External temperature sensor
Pt 1000 not inserted in sample
any more
External temperature sensor
connected and cool sample refilled
during operation
External temperature sensor
Pt 1000 not inserted in sample
when heating was switched on
▪ Temperature at Pt 1000 too low
during first 10 minutes
▪ Temperature increase for phys-
ical reasons not possible
Set temperature external Pt 1000
exceeded for more than 25°C:
▪ Exothermic reaction
▪ Test setup problematic
▪ Temperature control Pt 1000
defective
Heating button defective
Rotation button defective
Select knob defective
Motor defective
External temperature sensor
breakage
External temperature sensor
connected / disconnected during
operation
No communication in remote
operation since more than 10 sec.
27
Troubleshooting
Contact your local Heidolph
Instruments distributor
▪ Position temperature
sensor correctly
▪ Switch off device and on
again after 10 sec.
Switch off device and on
again after 10 sec.
▪ Position temperature
sensor correctly
▪ Switch off device and on
again after 10 sec.
▪ Optimize heat conduction
▪ Reduce sample volume if
applicable
Adjust test setup
Contact your local Heidolph
Instruments distributor
Contact your local Heidolph
Instruments distributor
Contact your local Heidolph
Instruments distributor
Contact your local Heidolph
Instruments distributor
Contact your local Heidolph
Instruments distributor
Replace temperature sensor
▪ Switch off device
▪ Connect / disconnect
temperature sensor
▪ Switch on device
Send any type of command
from PC