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The following is from the rec.sport.fencing FAQ 11/2/97.
PART 2: Equipment
Equipment & Maintenance:
2.14 Foil Troubleshooting
Weapon fails weight test.
- The spring is too soft. Get a new spring or stretch the old
one.
- Friction between the barrel and point is overwhelming the
spring. Clean the inside of the barrel, or replace the entire
tip if the barrel or point is bent/warped.
- Too much tape on the end of your blade is jamming
against the sides of the weight.
Hitting the strip produces a light.
- The strip is not grounded, or is dirty/corroded.
- The exterior of the foil point is dirty/corroded.
Valid touch produces a white light.
- Opponent's lamé is not connected.
- Opponent's body wire is broken. Diagnose by testing at the
lame' clip and at the reel wire connection.
- Opponent's lamé has a dead spot. With some boxes, dead spots
can be diagnosed by grounding the fencer's weapon to his
suspect lamé, and then probing the lame' with the other
fencer's weapon. This does not work with boxes that have an
anti-fraud feature.
- Your foil body wire polarity is reversed. Disassemble and
reverse the connections.
- The exterior of the foil point is dirty/corroded.
- Foil circuit is breaking just before the touch (see below).
Foil produces white lights when the tip is not depressed.
- The tip is jammed shut. Spin the point or slap on the floor to
free it.
- Grit in the tip is breaking the circuit. Spin the point or
slap on the floor to dislodge the grit.
- The barrel is loose. Tighten carefully with pliers.
- The foil wire is broken. If the lights are intermittent, try
flexing the blade to trigger the white lights; success means
the blade wire is probably broken. If the lights are
triggered by shaking the blade, the point or clip may be to
blame.
- The circuit is breaking at the clip. Check that the body cord
is held securely by the clip.
- The body wire is broken. Diagnose by shorting the two
connections on the weapon end of the body wire. If the lights
continue, the body wire or reel is at fault. Short the two
close prongs at the other end of the body wire; if the lights
stop, the body wire is to blame. If not see (7).
- The scoring apparatus is broken. The connections, reel wire,
reel contacts, floor wire, or scoring box may be at fault.
Short the same wires as in (6) at the various points of
connection to successively eliminate each.
- The guard is loose. Tighten the pommel or pommel nut.
Foil produces coloured lights when the tip is not depressed but
is in contact with the opponent's lamé.
- The circuit is broken; see previous problem.
- The circuit is breaking when the blade flexes as it contacts
the lamé or when the point is jarred. Could be caused by
grit in the tip, a broken wire whose ends normally remain in
contact, or a separated wire and cup.
There is no light when a touch is made.
- You are not hitting properly.
- Friction between the barrel and point is preventing the
point from depressing. Slap on the floor to loosen it;
otherwise clean or replace the tip.
- Spring is too heavy. Compress it or heat one end with a
match.
- Opponent is grounding his weapon to his lamé. Tell him to
stop; it's illegal.
- You are grounding your own foil to your opponent's lamé.
Improve the insulation on your foible (15 cm is required).
- The foil wire is shorting to the weapon. Check the integrity
of the insulation along the wire and beneath the cushion.
Also make sure no wire ends at the clip are touching the rest
of the weapon.
- The scoring box is on the wrong weapon setting.
- There is a short in your body wire. If there are no lights
when the weapon is unplugged, but there are lights when the
body wire is unplugged from the reel, the body wire is at
fault.
- There is a short in the scoring apparatus. If there are no
lights when the fencer unplugs from the reel, this is the
problem. It can be isolated by successively unplugging
connections to the box.
Wrong lights go off when a touch is made.
- The scoring box is on the wrong weapon setting.
2.15 Epee Troubleshooting
Weapon fails weight test.
- The main spring is too soft. Get a new spring or stretch the
old one.
- Friction between the barrel and point is overwhelming the
spring. Clean the inside of the barrel, or replace the entire
tip if the barrel or point is bent/warped.
Weapon fails shim tests.
- The contact spring is too long. Adjust or compress it.
- Point and barrel are mismatched. Replace.
Hitting the strip produces a light.
- The strip is not grounded, or is dirty/corroded.
- The tip is dirty/corroded.
A touch to the guard produces a light.
- The guard is dirty/corroded.
- The exterior of the tip is dirty/corroded.
- The body wire (in particular the ground) is faulty (test
against the ground pin of the body cord; if the lights
continue, the body wire or reel is at fault).
- The contact between the clip and weapon is faulty or corroded.
- The guard is loose.
- The ground pin socket is loose in the weapon clip.
Epee produces lights when the tip is not depressed.
- The tip is jammed shut. Slap on the floor to free it.
- Grit in the tip is shorting the circuit. Slap on the floor to
dislodge the grit, or disassemble and clean the point.
- The blade wires are shorting to each other. Check the
insulation, especially inside the guard.
- The scoring box is on the wrong weapon setting.
There is no light when a touch is made.
- You are not hitting properly.
- Friction between the barrel and point is preventing the point
from depressing. Slap on the floor to loosen it; otherwise
clean or replace the tip.
- Main spring is too heavy. Compress it or heat one end with a
match.
- Contact spring is too short. Adjust or stretch it.
- Point contacts are dirty/corroded.
- The epee wire is broken. Re-wire the blade.
- The epee wire is shorting to the weapon.
- Something has come unplugged between you and the box.
- The wires are improperly fastened to the weapon clip.
- The body wire is broken.
- The reel or floor wire is broken.
- The scoring box is on the wrong weapon setting.
2.16 Sabre Troubleshooting
Box displays white lights.
- The sensor is malfunctioning or jammed.
- The wire in the sabre is broken, or not fastened securely.
- The mounting bracket for the sensor is loose.
- The body wire is loose in the socket.
- The body wire is broken. Switch to foil setting, and diagnose
as for foil.
- The scoring apparatus is broken. Switch to foil setting and
diagnose as for foil.
There is no light when a touch is made.
- You are not hitting hard enough.
- The opponent's lamé has dead spots.
- The opponent's lamé or mask is not connected.
- The sensor is malfunctioning.
- The clip is not properly wired to the weapon.
- The opponent's body wire is broken.
- There is a break in the scoring apparatus on the opponent's
side. This may be in the reel, floor cable, or scoring box.
- There is a short in the body wire. Switch to foil setting and
diagnose as for foil.
- There is a short in the scoring apparatus. Switch to foil
setting and diagnose as for foil.
Box indicates a touch following weapon contact or a parry.
- You aren't parrying well enough.
- The weapon is shorting to the lamé. Insulate the edges of
the guard and the pommel, or hold the weapon in such a way as
to prevent the contact.
Wrong lights go off when a touch is made.
- The scoring box is on the wrong weapon setting.
ACKNOWLEDGEMENTS:
Author: Morgan Burke (morgan@sitka.triumf.ca)
Contributors: special thanks to Suman Palit, Guy Smith, Greg Dilworth,
Kevin Taylor, Eric Anderson, Blaine Price, Steve Hick, Kim Moser, David
Glasser, Bryan Mansfield, Donald Lane, Ann McBain, Hagen Lieffertz,
Mark C. Orton, Mike Buckley, Dirk Goldar, Scott Holmes, Arild Dyrseth,
David Airey, Renee Mcmeeken, Marc Walch, Eric Speicher, Anton Oskamp,
Bernard Hunt, Francis Cordero, Kent Krumvieda, David Van Houten,
John Crawford, Kim Taylor, Brendan Robertson, Ivo Volf,
Kevin Wechtaluk, Frank Messemer, Benerson Little, Mark Crocker,
Eileen Tan, Mark Tebault, Tim Schofield, Peter Gustafsson, Kevin
Haidl, Peter Crawford, Camille Fabian, Matt Davis, Fernando Diaz,
Anders Haavie, RFCdiger Schierz, Todd Ellner, George Kolombatovich,
Padraig Coogan, Steve Lawrence
©1993-98 Morgan Burke
Permission is granted to copy and distribute all or part of this
document for non-profit purposes.
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