TIGER Instrument User Manual V3.10
Unrivalled Gas Detection. Page 64 of 72 ionscience.com
9. Troubleshooting
Diagnostics
Basic faults or diagnostics are presented as symbols. Most faults can be corrected by pressing Enter
or Esc to clear the fault message. All fault conditions cause the TIGER to alarm.
Pump blocked or pump failure
The flow of gas through the instrument has fallen below 50cc/minute.
Check the Probe and PTFE Filter Disc for signs of blockage. Water or dirt in
the Probe, a bent Probe, dirty PTFE Filter Disc on the inlet or blockage of
the exhaust can all cause low flow. If the blockage can be removed, press
Esc to clear the alarm. If the fault persists send the instrument to your
distributor for service.
Battery low or battery failure
The TIGER will shut down when the battery level falls below 2%. Recharge
the battery as instructed in the Batteries section of this manual ensuring
that all connections are sound and the indicator lights on the charger are
in order. If the battery fails to charge, fit another battery pack if available.
If using alkaline batteries, replace them. If the fault persists send the
instrument and charger to your distributor for service.
The PID Lamp has failed to strike (illuminate); this may occur at switch on
or during use. Try switching the TIGER off and on. If this fault persists then
the electrode stack or lamp should be replaced. (See the PID Sensor/Lamp
Replacement and Cleaning section).
Memory cannot receive more data
The data log memory is full. This will only happen if the Log Full box is set
to ‘alarm’ on the TigerPC configuration screen. Press the Esc key to
continue, but the TIGER will no longer continue to log data. Select ‘recycle’
in TigerPC and the TIGER will overwrite the oldest data and no alarm will
be raised.
The instrument’s firmware is corrupted. In the unlikely event of this
message appearing, contact ION Science Ltd or your nearest authorised
service centre.
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