Kendro Sorvall Legend RT, Instruction Manual

Page: 75 / 101

Troubleshooting
71
Error Symptom Possible causes and corrective measures
E-29 Motor does not start. Motor or rotor blocked.
1. Switch instrument off and on again using the main switch.
2. Open the lid.
3. Check whether the rotor can turn freely.
If you cannot clear the malfunction, contact KENDRO service.
E-30
Rotor stops without brake
to standstill or does not
start.
Control voltage breaks down.
Switch the instrument off and on again. If the error persists,
contact KENDRO service.
E-31 Rotor stops without brake
to standstill or does not
start. Overtemperature in the motor.
1. Turn instrument off and unplug mains power cord.
2. Check and clean ventilation slots if necessary.
3. After about 60 min you can restart the instrument.
Observe the max. permissible environmental temperature!
If the error persists, contact KENDRO service.
.
E-32
Rotor stops without brake
to standstill or does not
start.
Overtemperature in the electronics.
1. Turn instrument off and unplug mains power cord.
2. Check and clean ventilation slots if necessary.
3. After about 60 min you can restart the instrument.
Observe the max. permissible environmental temperature!
If the error persists, contact KENDRO service.