Thermo Scientific TVA2020, Инструкция по эксплуатации

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Troubleshooting
Troubleshooting Guide
6-2 TVA2020 Instruction Manual Thermo Fisher Scientific
Table 6–1 provides general troubleshooting information and indicates the
checks that you should perform if you experience an instrument problem.
Table 6–1. Troubleshooting
Problem Possible Reason Solution/Action
Unit will not turn on Battery charge low Charge battery.
Bad battery connection Ensure proper battery
connection.
Bad battery Replace battery.
Blown fuse or faulty keypad Call Thermo Fisher Scientific
Service Department.
Pump won’t turn on Defective pump Call Thermo Fisher Scientific
Service Department.
Faulty keypad Call Thermo Fisher Scientific
Service Department.
Low pump flow Clogged sample intake Clean/replace filter cups.
Clean/replace sample line.
Clean/replace flame arrestor.
Service pump.
Pump fault Call Thermo Fisher Scientific
Service Department.
Keypad will not respond Faulty keypad Call Thermo Fisher Scientific
Service Department.
Probe display blank or
probe buttons will not
respond Faulty probe/display assembly Replace probe/display
assembly.
Call Thermo Fisher Scientific
Service Department.
FID won’t ignite Insufficient sample flow Turn pump on.
Clean/replace filter cups.
Clean/replace flame arrestor.
Service pump.
Insufficient hydrogen supply
(<500 psi) Check hydrogen gauge on
supply tank. Refill tank if
necessary.
Hydrogen leak Check low pressure hydrogen
output gauge. If <8 psi, call
Thermo Fisher Scientific
Service Department.
Troubleshooting
Guide