User Manual of Fiber Laser Chiller
-22-
E06
Water
level
switch
alarm
A：
Insufficient
water
tank
level
S
top
low
temperature
water
and
normal
temperature
water
heating
A
:
Water
replenishment
(to
the
standard
area
of
the
liquid
level)
E07
C
ompressor
overload
A
:
The
condenser
is
dirty
and
blocked
B
:
Fluoride
leakage
C
:
B
locked
air
inlet
and
outlet
D
:
The
ambient
temperature
is
too
high
Stop
the
compressor
A
:
C
lean
up
the
dust
B
:
C
heck
for
leaks
C
:
C
lean
up
debris
around
the
equipment
D
:
Place
the
equipment
in
a
well
-ventilated
place
E08
low temperature water
Low
temperature
alarm
A
:
The
temperature
of
the
water
outlet
of
the
equipment
is
too
low
Stop
the
compressor,
keep
the
water
pump
running
A
:
C
heck
if
the
relay
is
stuck
E09
normal temperature
water
probe
fault
A
:
Short
circuit
/
disconnection
of
water
probe
at
room
temperature
B
:
Normal
temperature
water
probe
is
damaged
not stop
water
pump,
all
others
are
outputed
and then stop it
A
:
Test
probe
terminal
and
connection
B
:
Replace
the
probe
E10
normal temperature water
high temperature alarm
A：
Insufficient
water
flow
B
:
Poor
ventilation
Only
stop
normal
temperature
hydroelectric
heating
A
:
C
heck
whether
there
is
backwater
at
normal
temperature
and
whether
the
waterway
is
blocked
B
:
C
lean
up
the
surrounding
debris
E11
normal temperature water
low temperature alarm
A
:
The
temperature
of
the
water
outlet
of
the
equipment
is
too
low
E12
normal temperature water
flow alarm
Stop
normal
temperature
hydroelectric
heating
[R
e
ma
r
ks]
:
F
or
f
a
ult
s
t
ha
t
nee
d
to
b
e
re
s
et
ma
nu
a
lly
, a
fter
t
h
e
f
a
ult
of
t
h
e
inte
g
r
a
te
d c
ontroller
i
s
eli
m
in
a
te
d,
t
h
e
f
a
ult
ca
n
b
e
re
s
et
b
y
pre
ss
in
g
t
h
e
<S
et
> k
ey
, a
n
d
t
h
e
re
m
ote
c
ontroller
ca
n
b
e
re
s
et
b
y
pre
ss
in
g <▲>
for
3 s
e
c
on
ds
to
re
s
et
t
h
e
f
a
ult
, a
n
d
it
will
a
uto
ma
ti
ca
lly
s
t
a
rt
a
fter
t
h
e
f
a
ult
i
s
eli
m
in
a
te
d.
10
Circuit diagram
AI1
AI2
RY2
220V_N
DO3
COM
NO
DO4
NC
DI1
DI2
DI3
DI4
DI5
DI6
IGND
RY1
pump
C
o
m
pre
ss
or
f
a
n
L
ow
te
m
per
a
ture
h
e
a
tin
g
tu
b
e
a
larm
NC
a
larm
NO
L
ow
te
m
per
a
ture
flow
s
wit
ch
Wa
ter
le
v
el
s
wit
ch
220V_N
220V_N
220V_L
流
量
超
温
输
出
信
号
QF
1
2
3
4
5
N
N
6
7
8
9
10
11
12
F i g u r e
1 4 2 2 0 V
e q u i p m e n t
c i r c u i t
d i a g r a m
Stop the compressor, keep the
water pump
A: Check if the relay is stuck
A: The normal temperature water pipeline is blocked
B: Reverse connection of inlet and outlet
C: Leakage in the normal temperature water pipeline
D: The flow switch is damaged
A: Check whether the cutting head has backwater
B: Check the water inlet and outlet pipelines
C: Check and tighten the water pipe joints,
D: Replace the flow switch
L
ow
te
m
per
a
ture
h
e
a
tin
g
tu
b
e
Alarm public
port
low temperature probe
normal temperature probe
normal
te
m
per
a
ture
flow
s
wit
ch
Switch common port
