WANHAO Duplicator i3 Troubleshooting Manual

WANHAO DUPLICATOR i3 TEMPERATURE FLUCTUATION FIX
THIS PROCEDURE MAY CAUSE PERMANENT DAMAGE TO YOUR PRINTER IF PERFORMED INCORRECTLY AND MAY ALSO
PURPOSE:
Some of the Latest Wanhao Duplicator i3 Printers Suffer from a Large Degree of Temperature Fluctuation,
Especially Noticeable at Higher Temperatures.
This Method of Fixing this Issue is Recommended by Wanhao but is NOT the Only Way.
This Issues Seems to be Limited to Printers with the Following Melzi Board Iteration and May Not be Limited to
V1, V2, etc.
IF YOU HAVE A DIFFERENT MELZI, YOUR TEMPERATURE FLUCTUATIONS MAY BE CAUSED BY A DIFFERENT
ISSUE.
For an In Depth Discussion of the Issue and Its Possible Cause, Refer to the Google Groups Support Page.

REQUIRED HARDWARE:

Soldering Iron (A Good Quality 40W Pencil Recommended)
Rosin Core Solder of Your Choice
Approximately 10cm of Wire (At Least 18AWG)
Set of Metric Allen Wrenches (2, 2.5 and 3mm)
You May Refer to the Extra Resources at the End of this Guide for Further Help
1. Position Your Printer in a Way that
Allows Easy Access to the Control
Box without Damage or Strain to
the Rest of the Machine. Ensure
that the Printer is Switched Off and
the Power Cable is Removed to
Avoid Injury to you or More
Importantly, the Printer.
2. Remove the 4 Screws Holding the
Back-Plate in Place. Use Caution as
this Plate is Attached to the Floor-
Plate and also to Several Wires
Which Are Semi-Permanently
Attached. Place these screws in a
safe place.
VOID YOUR WARRANTY. CONTACT YOUR RESELLER FOR DETAILS.
PROCEED AT YOUR OWN RISK AND WITH YOUR SKILL SETS IN MIND.
WARNING