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.Ambient temperature too high – The ambient temperature could be above the maximum operating temperature.If the reading isn’t comparable, the sensor will need to be replaced. Broken ambient sensor – Have an authorized technician check if the ambient sensor is broken.Ambient temperature too low – The ambient temperature could be below the programmed operating temperature.Blow line fuse – The fuse will need to be repaired or replaced.Either component will need to be repaired or replaced by an authorized technician. Defective control or display board – The control or display boards could be broken.Wiring and electrical issues – Contact and authorized technician to repair and replace necessary wiring or electrical components.No power supply to the panel – Switch on the main power supply.If there is no display on the control panel and the chiller isn’t starting or running, look for the following causes: Our guide below provides York chiller troubleshooting tips and breakdowns of fault codes for popular air-cooled screw liquid models. If your unit is experiencing issues or displaying fault codes, knowing what is causing it can be tricky. When it comes to HVAC, York is one of the top manufacturers in the industry, making a wide variety of chillers to cool down any large building with ease.
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