47(53)
Faults
Name of faults
Solution
Remark
PCB-
？
The circuit for temp.
probe of air vent breaks
Stop compressor
PCB-
？
The circuit for temp.
probe of air vent shorts
Stop compressor
PCB-
？
Overlow temp. for the out
water
Stop compressor
PCB-
？
Overhigh temp. for air
vent
Stop compressor
PCB-
？
Communication failure
Stop compressor
If it is first plate, stop the
system
PCB-
？
The temp. of cooling out
water is overhigh
Stop system
PCB-
？
The compressor is
overheat
Stop compressor
PCB-
？
Out circulating pump is
overloading
Stop out circulating pump
PCB-
？
The circuit for temp.
probe of out circulating
pump breaks
Stop out circulating pump
PCB-
？
The circuit for temp.probe
of out circulating pump
shorts
Stop out circulating pump
PCB-
？
The temp. for system out
water is overlow
Stop all compressors
PCB-
？
The circuit for system out
water temp. probe breaks
Stop system
PCB-
？
The circuit for system out
water temp. probe shorts
Stop system
PCB-
？
The circuit for system
back water temp. probe
breaks
Stop system
PCB-
？
The circuit for system
back water temp. probe
shorts
Stop system
PCB-
？
The pressure difference
between high and low
pressure is too small
Stop compressor
