Nirvana Cycling Refrigerated Dryer Models 1000-1600
ingersollrandproducts.com
20
11.0 TROUBLESHOOTING
11.2 PROBLEM / ACTION GUIDE
PROBLEM
SYMPTOM(S)
POSSIBLE CAUSE
CORRECTIVE ACTION
Moisture down
stream.
Dryer is properly
cooling air stream
(Check Chiller. Temp on
controller).
Condensate drain failure caused
by defective service unit.
Replace service unit.
Excessive flow.
Check inlet and outlet pressure and
system design capacity. Correct cause
of excessive flow.
Dryer by-pass valve not closed.
Close by-pass valve.
Inlet and outlet
temperatures are the
same.
No power to the dryer.
Check power supply and fuses/circuit
breakers.
High suction pressure.
Check and clean condenser.
Refrigerant leak.
Check suction pressure gauge if
reading is 0 psig, turn dryer off and
contact your distributor.
Compressor not running and fan is
running.
Check and clean condenser.
Check ambient temperature and
reduce below 113 °F.
Moisture down
stream.
Inlet and outlet
temperatures are the
same.
Compressor and fan not running.
Check Chiller Temperature.
Check MAIN CONTROL fuse.
Compressor and fan not running.
Controller indicates compressor
is ON.
Compressor relay may be bad, replace
relay.
Check for loose wire connections at
contactor or loss of power at control
board.
Defective control board - replace as
necessary.
Contact your local distributor for
further assistance.
Compressor and fan
are running, exchanger
temp high, pump not
running.
Defective Pump.
Contact your local distributor for
further assistance.
Apparent con-
troller display
malfunction.
Display Blank.
Blown Fuse.
Check Fuses.
Board Failure.
Contact your local distributor for fur-
ther assistance.
Unrealistic temperature
displayed.
Probe loose,off connection or
defective probe.
Inspect probe cable and terminal con-
nection, Replace probe.
Erratic or inaccurate
temperature readings.
Probe not completely in
thermal well.
Inspect probe and check readings
against independent source (eg.
temperature analyzer/pyrometer/ice
bath) both in temperature well and to
ambient.
Defective probe.
Replace probe.
Unrealistic pressure
displayed.
Transducer loose, off connection
or defective transducer.
Inspect transducer cable and terminal
connection.
Replace transducer.
INTERNAL SALES ORDER# 81730430
DRYER PART NUMBER: NVC1000W400
PROJECT: Niagara Bottling,LLC_Kenosha, WI
