ThermoFisher Scientific Ozone Primary Standard 49iQPS, Инструкция по эксплуатации

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Troubleshooting
Troubleshooting Guide
Thermo Scientific 49iQPS Instruction Manual 5-3
Problem Possible Cause Action
Flow, pressure or
vacuum are too low,
or: pump produces no
flow Diaphragm or valve plates
are worn or dirt in the head Rebuild or replace pump.
Connections or lines are
blocked Let the pump run for a few minutes
pumping air.
An external valve is closed
or a filter blocked Remove the external filter or valve to
see if the flow comes back into spec.
There is a leak at a
connector, in a line or in the
pump head Find and repair leak.
Liquid (condensate) has
collected in the pump head Clean and dry. Pump may need
replacement.
Pump cable not seated Verify the pump cable is properly
seated into the Step POL board.
The cross-section of
pneumatic lines, or
connected components are
too small or they are
restricted The pump is not designed for this
condition.
Alarm – board
communication
failure Internal cables not
connected properly Verify cables to DMC PCB are seated
properly. Replace DMC PCB if
necessary.
Alarm – power
supply Internal cables not
connected properly Verify cables to DMC PCB are seated
properly. Replace DMC PCB if
necessary.
Cell A or B frequency
(Photometer) Light adjustment Readjust Lamp setting from the
“Photometer Bench Settings” menu.
Defective detector Interchange detectors at Photometer
DMC PCB connectors to determine if
detector is defective.
Cell A and B
frequency (Ozone) Lamp supply
Cell A or B frequency
low or zero Light adjustment Readjust lamp setting from the
“Photometer Bench Settings” menu.
One cell excessively
contaminated Clean cell.
Defective detector Interchange detectors at photometer
DMC PCB connectors to determine if
detector is defective.
Cell A and B
frequency low or zero Dirty cells Clean cells.
Light adjustment