Parts Replacement And Testing Guide - Teledyne 2120 Operating Instructions Manual

Trace Nitrogen in Argon Analyzer
No signal or signal is too
weak.

5.4 Parts Replacement and Testing Guide

WARNING: ELECTROCUTION HAZARD. LETHAL VOLTAGE
INSIDE — 6000 VOLTS.
THIS ANALYZER MUST BE SERVICED ONLY BY A
QUALIFIED TECHNICIAN.
NEVER OPERATE THE ANALYZER WITHOUT THE
COVER SECURED IN PLACE. ALWAYS TURN OFF
POWER AND DISCONNECT AC POWER CORD
BEFORE SERVICING.
External electrical
interference.
Recorder gain too high. Check recorder per
Ionization voltage too
high.
Defective PMT.
Defective amplifier
board.
Faulty Hamamatsu PMT
socket.
Faulty amplifier board.
Faulty low-voltage DC
power supply.
Open high-voltage
transformer.
Faulty PMT.
Faulty analytical cell.
Dirty optical filter.
Teledyne Analytical Instruments
Maintenance
Shield to avoid stray fields
caused by large motors or
transformers and power
lines.
Ground shields
supplier manual.
Check internal power
supply and replace if
defective.
Check and replace if faulty.
Check and replace if faulty.
Check and replace if faulty.
Check and replace if faulty.
Check and replace if faulty.
Check and replace if faulty.
Check and replace if faulty.
Check and replace if faulty.
Clean the optical filter.
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