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Troubleshooting
High oxygen readings/low
pollutant readings
'Dry' light is not Illuminated
'Cool' light is not Illuminated
Leak
Water carry over
Faulty water carry over IC
Ambient temperature too high flow
rate/ water content too high
Failed peltier element
Page 13 of 25
Loose connection
Verify all fittings are leak free
Defective peristaltic pump tubing
Replace tubing
Broken or leaking heat exchanger
Remove heat exchanger and replace if
broken or repair (replace O-Ring) if leaking.
See "water carry over' error
Disconnect/ unplug the 2 wire cable from
the WCO terminals, located on the power
supply board. If the dry light does not
illuminate, consult the factory
Reduce the ambient temperature
(Increase ventilation or relocate cooler)
Lower the flow rate through the cooler and
observe the results. If condition corrects
itself, consult the factory for further trouble-
shooting
Measure resistance between the red &
black peltier leads. A failed peltier element
will read high resistance or 'Open'
Consult wiring diagram for wire location
details
MAN.600.REVE.06302015
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