Teledyne 651 operation manual Inlet/Drain

Teledyne API Ultrafine Particle Monitor - Model 651			Maintenance, Service, and Troubleshooting
Problem	Cause	Suggestions
Home screen displays Inlet	There is an obstruction in the	1.	Check that there are no kinks in the tubing
Pressure Fault. Status	aerosol or Model 651 inlet.
			upstream of the inlet.
screen displays a low inlet
		2.	Check the inlet screen assembly for obstructions.
pressure reading (in red).
		3.	Remove the inlet screen assembly.
		4.	Remove the elbow joint.

5. Unscrew the black cap.

6. Remove the screen assembly. Note: Do not lose the O-ring.

		7. Blow the screen with compressed air.
		8. Reassemble the inlet screen assembly.
		9. Replace the inlet screen assembly.
“Temperatures out of	The instrument was flooded.	In the event of flooding:
range” error messages are	Environmental temperature or	1.	Disconnect the water bottle from the WATER
displayed for the Water	humidity is too high or too low.
			INLET/DRAIN.
Separator, Optics, Growth	Note: If the instrument was
		2.	Run the instrument for 6 to 8 hours to dry it out.
Tube or Conditioner.
	flooded, you will also see water
Status screen shows		3.	When the flow returns to normal, the instrument
	in the tubing and high nozzle
readings in red.			is dry.
	pressure readings.
		4. Reconnect the water bottle.
		If concentrations do not return to normal, return the
		instrument to TAPI for repair.
Status screen indicates	There is no water in the	Check that the water bottle is filled and connected
Water Reservoir Not Filled.	reservoir. The water may not be	correctly. Make sure that the bottle is placed at a higher
	connected, the water bottle may	level than the instrument to provide for the gravity flow
	be empty, or the water bottle has	fill mechanism.
	been placed below the level of
	the instrument.	If the problem persists, return the instrument to TAPI for
		repair.
Status screen Pulse Height	There is no or very low	If the suspected concentration is above 100 #/cm3 then
indicator is too low (in the	(<10 #/cm3) particle	replace the wick and make sure water is connected to
red area).	concentration. At higher	the instrument. If all other status indicators are normal,
	concentrations this indicates: a	the optics module must be replaced. Return the
	dry wick, optical alignment	instrument to TAPI for replacement of the optics module
	problems, dirty optics, or flooded	by a qualified service technician.
	optics.
The real-time clock does	The clock battery needs	Replace the clock battery located on the main
not maintain time when the	replacing.	electronics board with a BR1225 Panasonic or
instrument is turned off.		equivalent.
The time is not maintained
correctly.

07506C DCN6727 89