aikron A20-2V, Operation Manual

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The grating ruler
doesn’t count
1. The grating ruler exceeds the
operating range of length or the read
head is broken.
2. The read head of grating ruler rubs
the ruler shell leading to the aluminum
scraps accumulated.
3. The gap between the read head of
grating ruler and the ruler body is too
wide.
4. The metal tubes of the grating ruler
are damaged, which causing the
short circuit or disconnection in
internal wiring.
1. Repair the grating ruler
2. Repair the grating ruler
3. Repair the grating ruler
4. Repair the grating ruler
The grating ruler
doesn’t count
sometimes
1. The small box of the grating ruler is
separated from the steel ball.
2. The grating glass in the read head
of the grating ruler is abraded.
3. There is dirt on the grating glass in
the shell of the grating ruler.
4. The elasticity of small box spring in
the read head of the grating ruler is
not enough.
47
Appendix
1. Repair the grating ruler
2. Repair the grating ruler
3. Repair the grating ruler
4. Repair the grating ruler
Faults Fault Causes
Solutions