INFICON HAPSITE Smart Plus Chemical Identification System - Manual (Page 503)

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HAPSITE Smart Plus Operating Manual
9d. Check Turbo Speed in Service
Module program. If less then 1480
Hz, Service Module pumps may
need maintenance or the system
may have an air leak. 9d. Contact INFICON (see
Chapter 18 ).
10. “Pressure too low to
read” message at user
interfaces. 10a. Pressure is too low to read.
The system pressure gauge can
only read down to 1x10
-4 Pa.
10a. Open membrane isolation
valve. This will bring the pressure
to 1-3x10
-3 Pa.
10b. Ion Pump has failed to turn
on. 10b. Close and open the
membrane valve a few times. If
this fails to shock the Ion Pump
into starting, contact Customer
Support (see
Chapter 18 ).
11. Sample carry-over from one
run to the next. 11a. Cold spot in the sampling
system. 11a. Check to see if heat zones are
at temperature.
12. Internal standard in
background. 12a. Low pneumatic (carrier gas)
pressure at GC 10-port valve. 12a. Check carrier gas pressure,
and replace canister if low.
13. Temperature zones read 99.8
o
C or higher.
13a. Component in the zone is hot. 13a. GCC card has a problem
controlling the temperature zone.
Contact Customer Support (see
Chapter 18 ).
13b. Zone is cold. 13b. Sensor could be bad. Contact
Customer Support (see
Chapter
18 ).
14. Unable to read memory chips
on gas canister. 14a. Poor connections or
damaged contact. 14a. Try re-seating canister or try a
known good can. If this fails,
contact Customer Support (see
Chapter 18 ).
14b. Processor card failure. 14b. Contact Customer Support
(see
Chapter 18 ).
15. Water enters system during
decontamination. 15a. Dirt on the gaskets, or
improper seal. Clean gasket and
check seals. 15a. If problem cannot be
corrected, contact Customer
Support (see
Chapter 18 ).
16. Poor Gas Chromatographic
Peaks/ Poor GC sensitivity. 16a. GC column has degraded. 16a. Contact Customer Support
(see
Chapter 18 ).
16b. Loose connections at sample
loop, concentrator or ferrules. 16b. Check to see if fittings and
ferrules are properly installed.
17. Temperature zone fails to heat. 17a. Open heater or bad controller
card.
17a. Contact Customer Support
(see
Chapter 18 ).
Table 16-1 Diagnosing Problems - HAPSITE
Symptom Cause Remedy