5.2 Trouble Shooting Guide
5. MAINTENANCE AND INSPECTION
26
Temp. is too much different
between water-inlet and outlet
Antifreezing under cooling mode
The primary anti-freezing
protection start.
The second anti-freezing
protection start
Malfunction
Ambient temp. Sensor failure
Communication failure
Water inlet temp. Sensor failure
Water outlet temp. Sensor failure
Pipe temp. Sensor failure
Evaporator temp.Sensor failure
High pressure protect
Low pressure protect
Flow switch failure
E06
E07
E19
E29
Display
P04
E08
P01
P02
P05
P07
E01
E02
E03
Water flow volume not enough,Water
system pressure difference is small
Water flow volume not enough
Ambient temperature is too low
Ambient temperature is too low
Canse
The ambient temp.
sensor
is open or short circuit
Communication failure between
remote wire controller and main board
The water inlet temp. Sensor
is open or short circuit
The water outlet temp.
sensor
is open or short circuit
The pipe temp.
sensor is
open or short circuit
The evaporator temp.
Sensor
is open or short circuit
The exhaust pressure is high ,
high pressure switch action
The suction pressure is low,
Low pressure switch action
No water or litter water
in water system
Check the flow volume,water
system is jammed or not
Solution
Check or change the
ambient temp.
S
ensor
Check the wire connection between
remote wire controller and main board
Check or change the water
inlet temp. Sensor
Check or change the water
outlet temp.
S
ensor
Check or change the pipe temp.
S
ensor
Check or change the
evaporator temp.
Sensor
Check high pressure switch
and cooling return circuit
Check low pressure switch and
cooling return circuit
Check the flow volume ,water
pump is failure or not
Check the flow volume,water
system is jammed or not
All manuals and user guides at all-guides.com