7-2 COBE 2991 Cell Processor • Essentials Guide
Troubleshooting
Troubleshooting
The following table lists all of the symptoms covered in this chapter. Use this table
to quickly find detailed information about each symptom.
Alarm Troubleshooting
Non-Alarm Troubleshooting
Symptom See Page...
Excess Pressure Alarm During Supernatant-Out 7-4
HELP 1 Message 7-6
HELP 2 Message 7-6
STOP RESET Light Flashing Continuously 7-7
STOP RESET Light On Continuously 7-7
Symptom See Page...
Agitate/Wash-In Operation Not Working (AGITATE WASH IN Light
Illuminated)
7-8
Centrifuge Agitates in One Direction Only 7-9
Centrifuge Bowl Cover Cannot Be Removed 7-9
Centrifuge Speed is Erratic 7-9
Excess Pressure Light Does Not Illuminate During Checking
Prime Procedure
7-10
Hydraulic Fluid Leak 7-10
LED Program Board Not Responding 7-10
Next Cycle Failure (Failure to Advance to Next Cycle) 7-11
Power Light Does Not Illuminate 7-12
Ready Light Does Not Illuminate 7-13
Rotating Seal Failure 7-14
Start/Spin Operation Does Not Advance to Supernatant-Out
Operation (START SPIN Light Illuminated)
7-15
Start/Spin Operation Not Working (START SPIN Light Illuminated) 7-16
Start/Spin Operation Not Working (START SPIN Light Illuminates
but Turns Off)
7-16
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