4.Use and Operation Instruction of Wire Controller
Trouble Shooting Guide
Water inlet temp. Sensor failure
The water inlet temp. Sensor is
open or short circuit
Check or change the water
inlet temp. Sensor
Water outlet temp. Sensor failure
The water outlet temp. sensor is
open or short circuit
Check or change the water
outlet temp. Sensor
Ambient temp. Sensor failure
The ambient temp. sensor is
open or short circuit
Check or change the
ambient temp. Sensor
Pipe temp. Sensor failure
The pipe temp. sensor is
open or short circuit
Check or change the pipe temp. Sensor
Evaporator temp.Sensor failure
The evaporator temp. Sensor is
open or short circuit
Check or change the
evaporator temp. Sensor
The exhaust pressure is high ,
high pressure switch action
Check high pressure switch
and cooling return circuit
The suction pressure is low,
Low pressure switch action
Check low pressure switch and
cooling return circuit
No water or litter water
in water system
Check the flow volume ,water
pump is failure or not
Temp. is too much different
between water-inlet and outlet
Water flow volume not enough,Water
system pressure difference is small
Check the flow volume,water
system is jammed or not
Antifreezing under cooling mode
Water flow volume not enough
Check the flow volume,water
system is jammed or not
The primary anti-freezing
protection start.
Ambient temperature is too low
The second anti-freezing
protection start
Ambient temperature is too low
Communication failure between
remote wire controller and main board
Check the wire connection between
remote wire controller and main board
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