Troubleshooting
Error
Number
1 through 62,
69 through 77
78
81
82, 83
84
85, 87
90 through 96
98, 99
4-2
Table 3-1. Error Messages
Problem
Microprocessor or
mechanical error
Error during closing of door
Door open detected during
run
Door latch malfunction
Thermal cutoff switch
activated
Chamber overtemperature
Defective sensor
Incorrect rotor identification
Result
Deceleration to full
After rotor comes to a complete stop turn
stop; run cannot be
the power off, then wait 15 seconds before
restarted until error
turning it back on to reset.
is cleared
Run cannot start
1. Remove debris from latch.
2. Close the door, pressing down gently.
3. Turn the power off, then wait 15 seconds
before turning it back on to reset.
Maximum decelera-
After rotor comes to a complete stop, close
tion to full stop
the centrifuge door, turn the power off, then
wait 15 seconds before turning it back on to
reset.
Door does not open
See
Deceleration to full
1. Turn the power off.
stop
2. Check that ambient temperature is within
the specified limits (10 to 35°C).
3. Check, for air inlet and exhaust vent
obstruction. Clean air inlets and exhaust
vents.
4. After the motor has cooled down
(approximately 15 minutes with the door
open), turn the power on to reset the
thermal protector circuit.
Deceleration to full
1. Turn the power off.
stop
2. Check that ambient temperature is within
the specified limits (10 to 35°C).
3. Check for air inlet and exhaust vent
obstruction. Clean air inlets and exhaust
vents.
4. After the motor has cooled down
(approximately 15 minutes with the door
open), turn the power on to reset the
thermal protector circuit.
Deceleration to full
Turn the power off, then wait 15 seconds
stop
before turning it back on to reset.
Deceleration to full
Input correct rotor identification.
stop
Recommended Action
RETRIEVING YOUR SAMPLE
, below.
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