09915
ZPrinter
650
Troubleshooting
Guide
40204: TI: Build piston driver overload
This error is caused by a failed piston drive
Monitor Read-
Out or
Secondary
Symptom
Cause / Problem
Solution
Reference
Documents
Piston is not moving
Piston motor cables disconnected
Reconnect piston
motor cables
Piston is not moving
Shaft screws came loose
Retighten screws
(Piston will need
to be re-zeroed)
( Figure 24)
Piston is not moving
Powder is over packed in the piston
Vacuum powder
into feeder (Piston
will need to be re-
zeroed)
Piston Position is
Incorrect
Piston position incorrect
Re-zero pistons
(must be done
after installation of
new E-Box)
08860 ZPrinter650 E-
Box Removal and
Replacement
After performing the above steps try performing a service print head and alignment. If the machine performs both tasks
then proceed with a test print.
Piston is not moving
Piston seal is sticking to build chamber wall
Replace the
31479 Piston Seal
(Figure 25)
Excessive Powder
Build up Under
Piston
Piston Seal is failed
Replace the
31479 Piston Seal
After performing the above steps try performing a service print head and alignment. If the machine performs both tasks
then proceed with a test print.
Piston is not moving
PC104+ Failed
Replace 50016
PC104+ PCB
85070 ZPrinter 650 E-
Box Field Repair
Procedure
Piston is not moving
Piston Motor Failed
Replace 30695
Piston Motor
The main reason for this error and the piston getting stuck in a position is the triangular plate and guide rods getting a
little twisted. All that is needed to fix the error is to loosen the screws holding the plate and re-tighten. The piston must
be re-zeroed after this procedure.
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