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▲
I
NSTRUCTION
M
ANUAL
3601 E. 34th St. Tucson, AZ 85713 USA Tel. +1 520
-
882
-
6598 Fax +1 520
-
882
-
6599 email: [email protected] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA SRT
-
15/150 Dual Superficial /
Rockwell Hardness Tester
6.0 Trouble Shooting
24
Phenomenon
Possible Causes
Method Used
LCD does not
turn on
1. No power
2. The fuse is blown.
1. Check the power cable.
2. Change the fuse.
When the tester is
on, the keys do
not work
The instrument is not in
working state.
When the tester is turned on, wait until
the instrument returns to the working
state.
The Up / Down
Lead Screw is
hard to move
The space between the Up /
Down Lead Screws are
blocked by the thread ends or
dirt
Remove the protecting cover for the
Up / Down Lead Screw and clean the
screw threads
The deviation of
the displaying
hardness value is
too great.
1.
The indenter is damaged
2.
The Weights are not
installed in order.
3. The tester is not placed in
the horizontal level and the
weights are touching the
inside wall of instrument
body.
4 .The total test force or the
indenter are not correct.
5. The protecting cover of Up/
Down Lead Screw is to high
over the supporting plane of
the Testing Table
1. Change the diamond indenter or the
ball indenter.
2. Install the weights properly
3. Level the tester
4. Choose the appropriate testing force
and indenter
5. Lower the protecting cover and clean
the Up and Down Lead Screw.
LCD hard to read
1. LCD display brightness not
set properly
1. Adjust blue pod adjustment on back
of LCD panel (see below)
Adjust brightness for LCD display
with small screw on blue pod
More extensive trouble shooting, repair guides, video
’
s, parts list are provided
online at www.metallographic.com or
http://www.metallographic.com/PACE
-
service/Rockwell
-
service.html