Cornelius ENDURO 250, Service Manual

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Chiller Service Manual
© 2005, IMI Cornelius Inc. - 5 - Publication Number: 620920816SER
TROUBLESHOOTING
Trouble Cause Solution
1. Excessive foam A. Warm walk-in cooler A. Adjust cooler temperature to
34
o
to 36
o
F (use quality
thermometer)
B. Check applied pressure to
barrel B. Adjust setting on regulator for
proper pressure
C. Check equipment C. Check the physical
equipment from keg to faucet
D. Warm product lines D. Refer to 5
2. Compressor
does not start
(no hum), but the
fan motor runs. A. Compressor relay or
capacitor malfunction A. Replace compressor relay,
relay or capacitor.
B. Inadequate voltage B. Measure voltage across
common and run terminal on
compressor. Voltage must
not drop below 90% of rated
voltage.
C. Compressor failure C. Replace compressor.
3. Compressor
starts and
continues to run
until freeze up
and will not cut
off. A. Thermostat control failure A. Replace thermostat
B. Freon leak B. Repair leak and recharge
4. Compressor
does not run but
hums. A. Inadequate voltage A. Measure voltage across
common and run terminal on
compressor. Voltage must
not drop below 90% of rated
voltage
B. Starting relay malfunction B. Replace starting relay
Be sure to use correct relay.
Failure to use correct relay
will cause compressor
failure.
C. Compressor malfunction C. Replace compressor