Air Source Screw Water Chiller Unit – Installation Operation and Maintenance Manual
101
8
.7.13 Short Circuit of the Outlet Water, Inlet Water, Ambient, or Discharge
Temperature Sensor
8
.7.14 Open Circuit of the Outlet Water, Inlet Water, Ambient, or Discharge
Temperature Sensor
Temperature sensor open circuit
(unit stop)
Check whether the
sensor resistance is
greater than 300
Ώ
Check the electrical
circuit between the
sensor and PLC
Contact the
after
-sale
technical support
End
N
Yes
Short circuit of temperature sensor
(unit stop)
Check whether the
sensor resistance is
smaller than 200
Ώ
Check the
electrical circuit
between the
sensor and PLC
Contact the
after
-sale
technical support
End
No
Yes
