4.Use
and
Operation
lnstruction of
\Alire
tonlroller
4.2.5 Malfunction display
There will bemalfunction
code showingon the
controllerscreen
when
relativemalfunction
occurs.
lf there aremore than onemalfuctions
occurs atthe same
time,you
can
checkthe current
error codes
listby
pressing
"4
"
or
"Y "
Xey.
You can
refer tothe malfunction
tableto find outthe failure cause and solution.
For example:
Water inlettemp. Sensor
failure
4.3 Parametertable
Meaning
Defa
u
lt
Remarks
Set-point of
colling mode
target
temp.
27'C
A.justable
Set-point
of heating mode target
temp.
27'C
Ajustable
Set-point
of automode target temp.
27'C
Ajustable
13
14
4.Use
and Operation
lnstruction
of Wire Controller
4.4.Malfunction
Table
The common
failurecause and solution.
Malfunction
Canse Solution
Water lnlet temp. Sensor failure
P01
The
water
inlei
temp.Sensor
is
open or shortcircuit
lheck or chanqe thewaler
nlet temp. Sensor
Water oullet lemp. Sensor failure
P02
The waler outlet tomp,sensor
is
open
or
shortcircuit
Check
or change lhewater
oullet
lemp. Sensor
Ambient temp. Sensor failure P04
The ambient temp.
sensor
is open or shortcircurt
Check or change the
amb
ent temp.
Sensor
Pipe temp.
Sensor
failure
P05
The
pipe
temp.sensor is
open o, short circuit
Check or change thepipe temp. Sensor
Evaporator temp.Sensor tailure
P07
The evaporalor lemp.
Sensor
is open or shorlcircuil
Check or change the
evaporator lemp. Sensor
High
pressure prolect
E01
The exhausl
pressure
ishigh
,
high
pressure
swjtch
aclion
Check
high
pressure
switch
and cooling return
circuil
Low
pressure protecl
EA2
The suction
pressuro
islow,
Low
pressure
switch
aclion
Check low
pressure
swilchand
cooling return circuit
Flow switch failure E03
No water or litterwater
in water syslem
Check the flow volum6,wäler
pump
is failure ornot
Temp. istoo much dilf6rent
belween waier-inlet
aod oullel
E06
Water flow volumenot
enough,
Water
system
pressurediffeaence
is small
Check the
flow
volume,water
syslem is
jammed
ornol
Antil.eezing
!nder cooling
modc
EO7
Waler flow volumenot
enough
Check the flow volume,water
system is
jammed
ornot
The
primary
ant'-freezing
proteclion
starl.
E19
Ambieni
lemperalure is toolow
The second anti-fr6ezing
protection
start
E29
Ambient lemperaturo
io toolow
Communication failure E08
Comorunication failure between
remote wire
controller andmain board
Check the wire connection
belween
remote wire
con{rollor andmain board
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