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INZ-TN2ZSVS-E
7. TROUBLESHOOTING
• In case you find it difficult to judge what happened to the instrument, avoid disassembling the
instrument without consulting our sales agent or service engineers. Otherwise, it may result in
electrical shock or personal injury.
CAUTION
Filter
Check if filter is clogged.
Clean or replace.
Check if aspirator is operating
normally.
Clean aspirator or replace
diaphragm or valve.
Check for abnormal sound or
vibration.
Retighten screws or replace
aspirator.
Sample gas
flow rate
is low
Diaphragm aspirator
Check if the aspirator is operated
normally. Check if sample gas flow
is supplied as set.
• Clean the aspirator or replace
diaphragm or valve.
• Adjust the sample gas flow.
Dissolution of gas
Check if drain remains in tube.
Clean or tilt tube.
Measuring range
Check if correct range is selected.
Switch to correct range.
Gas leak
Check the mist filter, tube, joints
connecting to aspirator for gas leaks.
Retighten or replace parts.
Indication
value varies
considerably.
Gas leak
Check if there is gas leak anywhere
before the aspirator.
Retighten or replace parts.
Zero, span
Check zero and span using the
standard gas.
Adjust zero and span correctly.
Indication
differs from
the anticipated
one.
Power supply and fuse
Check power supply voltage and
fuse.
Replace fuse.
Indication is
not deflected.
Diaphragm gas aspirator
Check if there are gas leaks
somewhere in tube connecting
to aspirator or joints.
Retighten or replace parts.
Gas leaks
Check if drain or dust is attached to
the flow checker.
Replace parts.
Flow checker
Check the tube for breakage,
or clogging.
Replace.
Tube, capillary
Items
Remedy
Phenomena
Check
Freeze-up
Tubing, exhaust gas inlet
Check for freeze-up in the tubing.
Implement heat insulation
for preventing freeze-up.
