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91272
TROUBLESHOOTING GUIDE
Trouble Probable Cause Remedy
CHILLER DOES NOT
OPERATE
A. No power. A. Check fuse or circuit breaker.
B. Loose or poor wire connection. B. Check wiring. Correct for loose or
poor wire connection.
C. Inoperable ON–OFF switch. C. Replace ON–OFF switch.
D. Overload device open. D. Allow compressor to cool, then
install new overload device;
replace compressor if necessary.
E. Inoperable relay. E. Replace relay.
F. Low input voltage. F. Nominal voltage ± 10% is
required.
NO CIRCULATION OF
CHILLED WATER
A. Vinyl tubing kinked. A. Check tubing and remove kinks.
B. Low water level. B. Ensure that tank is full.
C. Inoperable pump. C. Check for obstruction or binding
impeller, replace pump and/or
motor if necessary.
INADEQUATE COOLING A. Condenser fins dirty. A. Blow dirt out of fins.
B. Fan motor not operating freely. B. Lubricate and hand spin until fan
rotates freely; replace fan blade
and/or motor if necessary.
C. Water not circulating C. See “NO CIRCULATION OF
CHILLED WATER”.
D. Low refrigerant level. D. Charge system with refrigerant.
E. Inoperative temperature
control.
E. Replace thermostat.