Perkin-Elmer STA 6000, Installation And Hardware Manual

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AS 8000 Autosampler . 79
Troubleshooting
When the AS 8000 autosampler malfunctions, in most cases it will generate an error
message which is sent to the computer and is displayed in the Pyris software. The
troubleshooting list below should be used if the AS 8000 malfunctions.
To continue normal operation with the parent instrument, switch off the instrument and then
switch it back on after 10 seconds. Depending on the error, normal operation may or may
not be possible. If normal operation can not be resumed, the problem has to be resolved by
a service engineer.
Error message ID
Error Possible
Cause
Corrective
Action
ERR_NO_12VOLT No +12 V power supply
available (stepper motor
power supply)
Overload
condition in
switched power
supplies
12 V power
supply not OK
Check stepper
motor wires
Replace AS 8000
assembly
Replace
controller PCB
ERR_HOR_STEP_BLOCKED Horizontal stepper motor
blocked
Blocked gear
wheels
Blocked by
external object
Check gear
wheels
Remove external
object
ERR_VER_STEP_BLOCKED Vertical stepper motor
blocked
Incorrect
calibration
Blocked gear
wheels
Blocked by
external object
Inner lid of DSC
misplaced
Recalibrate the
AS 8000
Check gear
wheels
Remove external
object
Replace DSC
inner lid
ERR_DUE_TO_PARENT Parent instrument has
entered fatal error state
that results in the AS
8000 also entering error
state
Error occurred
in parent
instrument
Check parent
instrument