3 hapsite symptom - cause - remedy chart – INFICON HAPSITE Smart Plus Chemical Identification System User Manual

Page 501

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16 - 3

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HAPSITE Smart Plus Operating Manual

16.3 HAPSITE Symptom - Cause - Remedy Chart

Table 16-1 Diagnosing Problems - HAPSITE

Symptom

Cause

Remedy

1. Filament will not turn on
(Unable to turn on
filament error!
on user
interface.)

1a. Remove Ionizer source and
check to see if filament has
opened.

1a. If opened, replace ion source
(see

section 16.8, Replacing the

Ionizer of the Mass Spectrometer,
on page 16-41

), otherwise contact

Customer Support (see

Chapter

18

).

2. Filament shut off. (Over
pressure fault.)

2a. System shuts down filament if
pressure spikes. An old Ion Pump
will "burp" N

2

and Ar which can

cause the system to shut down.

2a. Replace Ion Pump. Contact
Customer Support (see

Chapter

18

).

2b. System has an air leak. Turn
off carrier gas and check to see if
mass 32 is relatively large (10 to
20% of peak 28)

2b. Contact Customer Support
(see

Chapter 18

).

2c. MDP/Turbo Pump or Roughing
Pump may need servicing.

2c. Check Turbo Speed in the
Service Module program. Service
pumps if speed is less then 1480
Hz, and there are no air leaks.

2d. NEG Pump is depleted.

2d. Replace NEG Pump using
INFICON part # 930-425-P1. See

section 16.7 on page 16-21

.

3. “Electron Multiplier fault.”
message at user interface.

3a. High pressure in vacuum
system caused by the failure of the
Ion Pump to pump Ar with a NEG
Pump installed.

3a. Contact Customer Support
(see

Chapter 18

).

3b. Short in Electron Multiplier, or
fault in high voltage power supply

3b. Contact Customer Support
(see

Chapter 18

).

4. Poor sensitivity in Tune.

4a. Ionizer has degraded.

4a. Replace Ionizer using
INFICON part # 930-205-G1. See

section 16.8, Replacing the Ionizer
of the Mass Spectrometer, on
page 16-41

.

4b. Quadrupole/EM assembly has
degraded.

4b. Contact Customer Support
(see

Chapter 18

).

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