INFICON T-Guard Leak Detection Sensor - Manual (Page 77)

Errors and Warnings
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W28
Real time clock reset! Please enter
date and time!
CPU-board has been replaced Please enter date and time
Battery on CPU-board faulty Replace CPU-board*
E32 Wise current too high
Wise Technology sensor current
exceeds threshold value
Do not switch off the T-
Guard™ Leak Detection
Sensor
Supply external air through the
sniffer line quickly, restart the T-
Guard™ Leak Detection Sensor
and wait to allow the T-Guard™
Leak Detection Sensor to
recover!
If problem persists, call nearest
INFICON service representative.
E38 Pump defect
Sensor pressure higher than 800
mbar
Fore pump defect, not switched on
or pump hose defect
Please check the fore pump.
W39 Valve block error!
Cannot recognize valve block
version during self-test Call nearest INFICON service
representative
W41 Pressure difference too high
Pressure difference between
measuring inlet /air inlet ±10%
Pressure difference between
READY and FINE
Check inlet filters
W43 Pressure too low
Pressure below the lower limit.
Reference line plugged Check the lower pressure limit
Check the reference line
W44 Pressure too high
Pressure above the upper limit
Wrong fore pump
Pump hose defect Check the upper pressure limit
Please check the fore pump and
the pump hose
W45 Too high helium concentration
During the purging process, too
much helium is before or in the
measuring line. T-Guard stops the
purging process too early to
protect the sensor
The test chamber was not purged
sufficiently before the
measurement.
Purge the chamber with external
air and start a new purging
process of the sensor via the PLC
or the RS232 command,
Purge the test chamber more
thoroughly before
measurements.
W50 No I·Stick present.
I·Stick was not connected during
running-up.
I·Stick defect
Switch the T-Guard off and on
again with the I•Stick connected.
W52
Lost I·Stick parameters!
Please check the settings! I·Stick disconnected during
operation
I·Stick defect Please check all your settings.
Switch the T-Guard off and on
again with the I•Stick connected.
W59
EEPROM parameter queue
overflow! May occur when the software has
been updated to an older version.
Restart the T-Guard™ Leak
Detection Sensor, if problem
persists, call nearest INFICON
service representative
W60
All EEPROM parameters are lost!
Please check your settings!
New EEPROM has been installed,
EEPROM on motherboard is
virgin All settings in software menu are
reset to default! Please enter
your settings again
If message comes up repeatedly
during start-up, EEPROM on
motherboard is faulty
Replace EEPROM*
Error No. Plain text message Possible reason Recommendation