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10. Trouble shooting
These instructions
provide
a brief summary of possible
fault Causes.
Defect
Display fails to illuminate
Cause
Remedy
1. No mains power supply
Check
2. Mains switch has not been engaged
Check
Mains fuse blows repeatedly
3. Defective
mains fuse
Supply voltaqe
too hiqh
Replace mains fuse
Check
ShÖrt circuit-in
mainscable
or In counter
Return equlpment
to factory
Counter
fails
to operate,
display
with
Incorrect
mains power supply
Check that rated voltage
corresponds
to
very low or no illumination
mains voltaqe.
Operate
voltaqe
selector
(220 V-h
15VN)'
Normal
illumination
of display,
however
1. Transducer not connected
Check
no Change in display values
2. Break in cable to transducer
3. Lamp failure within scanning head
Normal countrng procedure,
however
no 7 Segment
display
or decoder
package
illumination
of one or more Segments
defective
Replace scanning head and/or extension
cable or contact HEIDENHAIN agency and
if necessary
return equipment
for repair
Contact
HEIDENHAIN
agency
and
if
necessary
return equipment
for repair
Defect
Test method
Normal
counter
display,
however
no
1. Switch off counter and disengage
mains plug
Change in display
for
one axis
when
2. Disconnect plug connection
between
transducer
and counter
transducer
is being traversed
3. Connect a correctly
functioning
transducer
to counter input of the defective
axis
4. Engage mains plug and switch on counter
5. Move scanning
head. If the axis display
operates
normally,
then the fault lies
within the transducer.
If no Change in counter
display,
then the fault lies within
the counter
Contact HEIDENHAIN agency and if necessary
return equipment
for repair
In case of any faults, other than listed above, it is recommended
to contact HEIDENHAIN agency
and return equipment
for
repair.
13
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