When To Contact A Service Technician - Thermo Scientific Sorvall RC-4 Instruction Manual

Error Message Problem with Centrifuge
E-12 The run does not start or the centrifuge runs
down without being braked.
E-14
Centrifuge does not start or decelerates to
standstill.
E-15
The run does not start or the centrifuge runs
down without being braked.
E-17
Door does not open.
E-19
The centrifuge cannot be operated.
E-22
The centrifuge cannot be operated.
E-24
The centrifuge cannot be operated.
E-25
The run does not start or the centrifuge runs
down without being braked.

When to contact a Service Technician

If you need to contact a service technician, please provide the order no. and the serial no. of your
centrifuge. You will find these information at the top right.
To identify the software version, proceed as follows:
1. Turn on the power switch on the right side of the device.
The centrifuge performs a self-check of its software. Subsequently, the following readings will be
displayed. The order is:
Thermo Scientific
Possible Causes and Cures
Temperature measurement error
Restart the centrifuge.
If the message appears again, inform a service technician.
No rotor present or rotor identification impossible.
a. Check whether a certified rotor is inserted.
b. Following a brief power failure, the rotor could not be
identified.
Restart the centrifuge.
If the message appears again, inform a service technician.
The check sum in the NV-RAM is incorrect.
Door is blocked or jammed.
Press the door down once at the front in the center and then
actuate the key again.
Otherwise see "Mechanical Emergency Door Release"
page 6-2.
Incorrect NV-RAM or key panel
NV-RAM parameter does not fit the processor
NV-RAM 2 missing
Start without rotor.
Open the centrifuge by pressing the
Check whether the rotor is installed and loaded properly.
Check whether a broken tube or damaged rotor released the
imbalance switch.
Restart the centrifuge.
If the message appears again, inform a service technician.
Software version key panel
Software version
NV-RAM-Version 1
NV-RAM-Version 2
Cycle counter
6
Troubleshooting
When to contact a Service Technician
on
key.
Sorvall RC-4
6-5