Specifications

Troubleshooting Table
Non-CyclingRefrigeratedAirDryer
Problem Probable Cause Remedy
Water downstream
of dryer system or no
discharge from separator/
filter.
Failedorshortcircuited
timer on drain.
Replacetimerdrain.
Faileddrainsolenoid. Replacetimerdrain.
Bulkliquidenteringthe
dryer from upstream.
Checkdrainsonaftercooleroraircompressor.
Inletcompressedair
temperature to dryer
exceedsdryercapacityair.
Checkinletairtemperatureandadjustas
required to meet specifications.
InletcompressedairCFM
flowrateexceedsdryer
capacity.
Checkininletaircfmflowrateandadjustas
required to meet specifications.
Leakintheairtoair 
sideoftheheatexchanger.
Replaceheatexchanger.
Water downstream and
dryersystemnotworking
properly.
Refrigerationcompressor
stopped due to plugged or
dirty condenser coil.
(HighPressure)
Clean condensing coil and ensure adequate
ventilation of unit.
Refrigerationcompressor
cycles on/off and cannot
maintain suction pressure.
Checkcondensingcoilfordirtordebristhat
could prohibit adequate ventilation of the
refrigerantcircuit.Ifitisclean,checkrefrigerant
pressure gauge(s) to determine if the unit is low
on refrigerant.
Low refrigerant. Checkforleakinrefrigerationcircuit,repairand
recharge according to specifications.
Low refrigerant, possible
leakinairtorefrigerant 
sideofheatexchanger.
Repairorreplaceheatexchangerandrecharge
according to specifications.
Refrigerationcompressor
is overheated.
Turnoffdryerandwait20-40minutes,restart
dryer.Refrigerantcontrolsettingsmayneed
adjustment, contact technical support.
Refrigerationcompressor 
has burned out or
windings have gone
to ground.
Replacecompressor,checkforleakin
refrigeration circuit, repair and recharge
according to specifications, contact technical
support.
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