Thermo Scientific TVA-1000B Instruction Manual - Geotech ...

Troubleshooting
Problem Possible Reason Solution/Action
Unit will not turn on Battery charge low
Charge battery.
Pump won’t turn on
Low pump flow
Keypad will not
respond
Probe display blank or
probe buttons will not
respond
FID won’t ignite
Bad battery connection
Bad battery
Blown fuse or faulty keypad
Defective pump
Faulty keypad
Clogged sample intake
Pump fault
Faulty keypad
Faulty probe/display assembly
Insufficient sample flow
Hydrogen valve off
Insufficient hydrogen supply
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