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Chapter 8. Fault diagnosis and troubleshooting
Fault
Verification
Troubleshooting
Unable to power switch
ON
Is the power cord
properly connected?
Connect the power cord.
Is the fuse cut?
Replace the fuse and check the
cause of power overflow.
Unable to measure
(Measuring value stays in
"0" and does not move)
Do you finish the
Warming-up?
Wait until the rdy mode and
then measure again.
Do you press the
measurement key?
Press the measurement key in
the rdy mode.
Do you properly connect the
probe to the analyzer?
Verify the connection status
between the probe and hose
(gas inlet).
Is any of probe, hose or filter
Blocked?
Especially this could openly
happen in the winder due to
water-icing. Verify the probes,
hoses, and filters.
COM ERR
(Communication error)
Is the input power source
well purified?
Use the other power source.
Flow ERR
(Flow error)
Is any of probe, hose or
filter blocked?
Verify the probes, hoses, and filters.
Mem ERR
(Memory error)
Is the input power
source well purified?
Turn off the power and reboot.
Zero ERR
(Zero Calibration error)
Is remaining gas in
the analyzer?
Press the purge key to clean the
inside of NGA 6000 with a clean air
for about 2-3minute.
Leak Fail
(Gas leakage fault)
Are the probe and hose
properly connected?
Verify again the connection
status of probes, hoses, and
filters.
Screen stop
(unable to press Key)
Has the analyzer seriously
impacted?
Turn off the power and reboot.
Prt Err
(Printer fault)
Is the connection cord inside
the analyzer is disconnected
or badly connected?
Disassemble the case of the
analyzer and then re-connect
the printer connection cord.
No printer paper output
Is it lack of printer paper?
Open the printer case and then
exchange the paper.
Has the paper hung up in the
printer?
Open the printer case and then
refill the paper.
No letter in the printer
paper
Is the ink cartridge used too
long and not working?
Replace the ink cartridge.
