Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 4-23 P/N 196515 (Revision A)
Make sure Front Hatch
is closed
Go to Hatch Open Signal
Verification Procedure.
Stop! Improper key
alignment is root cause of
Interlock fault.
Does green light on
Beacon illuminate?
Locate the power LEDs on
the XY Servo Interface PWA.
Does red SRVO_
PWR LOW LED on
XY Servo Interface
stay illuminated?
Go to Light Beacon Signal
Verification Procedure
Does Front Hatch
Key enter Interlock
Switch when Hatch
is closed?
Realign the Interlock Key
on the Front Hatch.
With key
aligned and hatch
closed, does green
light on beacon
illuminate?
With hatch closed,
does red SRVO_PWR
LOW LED on XY
Servo Interface
illuminate?
Go to Interlock Switch
Cabling Verification
Procedure
Go to Interlock Switch
Cabling Verification
Procedure
Yes No
Yes
No
Yes
No
Yes
No
Yes
No
Make sure Front Hatch
is closed
Go to Hatch Open Signal
Verification Procedure.
Stop! Improper key
alignment is root cause of
Interlock fault.
Does green light on
Beacon illuminate?
Does green light on
Beacon illuminate?
Locate the power LEDs on
the XY Servo Interface PWA.
Does red SRVO_
PWR LOW LED on
XY Servo Interface
stay illuminated?
Does red SRVO_
PWR LOW LED on
XY Servo Interface
stay illuminated?
Go to Light Beacon Signal
Verification Procedure
Does Front Hatch
Key enter Interlock
Switch when Hatch
is closed?
Does Front Hatch
Key enter Interlock
Switch when Hatch
is closed?
Realign the Interlock Key
on the Front Hatch.
With key
aligned and hatch
closed, does green
light on beacon
illuminate?
With key
aligned and hatch
closed, does green
light on beacon
illuminate?
With hatch closed,
does red SRVO_PWR
LOW LED on XY
Servo Interface
illuminate?
With hatch closed,
does red SRVO_PWR
LOW LED on XY
Servo Interface
illuminate?
Go to Interlock Switch
Cabling Verification
Procedure
Go to Interlock Switch
Cabling Verification
Procedure
Yes No
Yes
No
Yes
No
Yes
No
Yes
No
Diagram Sheet 4-2-16
Interlock Fault Isolation Procedure - Interlock Switch Verification