Troubleshootimg; Troubleshooting; Possible Errors And How To Resolve; General - Heidolph MR Hei-Standard Betriebsanleitung

Troubleshootimg

Possible errors and how to resolve



General

Malfunctions
Power LED does not
enlighten
No rotation function
No heating up function
Sample temperature
lower than desired

MR Hei-Standard

Error message
Operating indicator light
blinking 1 time
No heating function
Operating indicator light
blinking 2 times
No heating function
Operating indicator light
blinking 3 times
No heating function
Operating indicator light
blinking 4 times
▪ No heating function
▪ No rotating function

Troubleshooting

Possible reason
No power
Light diode defective
No stirring bars in vessel
Set temperature exceeded
Temperature controlled via
hotplate
Possible reason
▪ Hotplate temperature
>25 °C to set temperature
▪ Hotplate sensor defective
Set temperature external
Pt 1000 exceeded for more
than 25°C:
▪ Exothermic reaction
▪ Test setup problematic
▪ Temperature control Pt
1000 defective
▪ Rotation knob defective
▪ Temperature knob
defective
▪ Heating button defective
Motor defective
26
Troubleshooting
▪ Check size and shape of
plug and compatibility to
your electrical socket
▪ Check circuit breakers
Contact your local Heidolph
Instruments distributor
Insert stirring bars
Let device cool down
Raise temperature of
hotplate
Troubleshooting
Contact your local Heidolph
Instruments distributor
Adjust test setup
Contact your local Heidolph
Instruments distributor
Contact your local Heidolph
Instruments distributor
Contact your local Heidolph
Instruments distributor