Overcharged system – An authorized technician will need to remove charge and check the subcooling.Fans aren’t operating – If the unit’s fans aren’t operating, have the fan’s rotation, fuses and motor blades checked and remedied by an authorized technician. Damaged or dirty coils – Contact an authorized technician to clean coils, comb fins and make any necessary repairs.Dirty coils – Have the coils cleaned by an authorized technician.Condenser fans broken or running backwards – Have the fans checked, cleaned and repaired by an authorized technician.Broken oil temperature sensor – An authorize technician will need to verify if the reading is reasonable.Have an authorized technician check and repair the problem. If this fault appears, this means the system fuse has blown. Contact an authorized technician to check and repair any issues. Broken chilled water sensor – There could intermittent operation with the sensor or shorts in the wiring.Leaving chilled liquid temperature drops faster than unit can unload – There could be restricted flow or rapid flow changes, or the flow is below minimum for the unit.If the reading isn’t comparable, the sensor will need to be replaced.Ĭhiller Fault: Low Leaving Chilled Liquid A tech will compare the temperature reading on the display to a thermometer reading at the sensor. Broken ambient sensor – Have an authorized technician check if the ambient sensor is broken.
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