14.1 Troubleshooting
285
14
2. Measurement issues
1-4 The LED Com-
parator Attach-
ment will not turn
on.
Instrument’s com-
parator lamp
On The attachment is not properly con-
nected.
Connect the LED Comparator
Attachment properly to the
COMP.OUT jack.
p.107
There is a broken connection.
Replace the LED Comparator
Attachment.
−
Off See No. 1-3 above, "The instrument’s
comparator lamp will not turn on."
p.284
1-5 The beeper is not
audible.
Key operation
sound setting
OFF The function is OFF.
Turn ON the function.
p.128
Judgment sound
setting
OFF The function is OFF.
Turn ON the function.
p.105
1-6 You wish to
change the
beeper volume.
The instrument’s beeper volume
cannot be changed.
−
−
No Issue Items to check Possible causes Solutions See
2-1 Measured val-
ues are unstable.
Effects of noise Susceptibility to
noise
See Appendix 7(1)(2).
p.A19
p.A21
Measurement
leads
Clip-type leads See Appendix 7(3).
p.A13
Wiring becomes
two-terminal wir-
ing in middle.
See Appendix 7(12).
p.A18
Measurement tar-
get
Wide or thick See Appendix 7(4).
p.A14
Temperature is
unstable (just
manufactured,
just opened,
being held by
hand, etc.).
See Appendix 7(5).
p.A14
Low heat capac-
ity
See Appendix 7(6).
p.A15
Transformer,
motor, choke
coil, solenoid
See Appendix 7(1)(9)(10).
p.A19
p.A16
p.A16
No Issue Items to check Possible causes Solutions See
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