User Manual
www.SereneLifeHome.com
11
Common Failures and Diagnosis
Intelligent Error Detection
FUSE PARAMETERS
•
Voltage: 250VAC • Current: 3.15A
Troubleshooting
In case of any of the following trouble, please contact professional
maintenance personnel in time.
Notice: When there is any abnormal to the A/C, turn it o and unplug, and
then contact professional maintenance personnel.
The above technical parameters are subject to change without notice.
Error-detecting code Multi-functional defection
E1 Error of the coil’s temperature sensor
E2 Error of indoor temperature sensor
E4
Anti-freezing protection: temperature of the coil is too low
and the whole A/C is o. When temperature excesses 8°C
or 46.4°F, the protection is released and previous working
state is recovered.
The A/C
do
e
s
n
’
t
work
No display
Reset circuit breaker on
AC cord
The
display panel d
i
s
p
l
a
ys
“
FL
”
Restart the
A/C
after
power
off
and
draining, then it will become
no
r
m
a
l
Time
OFF
function is
s
t
a
r
t
e
d
The A/C can be
restarted
3
m
i
nu
t
e
s
after being turning
o
ff
.
The A/C
s
t
a
r
t
s
f
r
e
qu
e
n
t
l
y
Direct
s
un
li
gh
t
Draw the
c
u
r
t
a
i
n
Doors and windows
keep
open;
there
are
lots of
p
e
op
l
e
or
heat source in
room
Close
doors and
windows,
remove
heat
source
Filter screen is very
d
i
r
t
y
Clean
or
replace
i
t
Air inlet
or
air outlet is
b
l
o
ck
e
d
Remove the
s
t
e
m
Big noise of
t
h
e
A/C
The A/C
is placed
un
e
v
e
n
l
y
Place it at
even and
firm
ground,
avoid
s
h
a
k
i
ng
The compressor
doesn’t
work
Its delay protection is
s
t
a
r
t
e
d
Wait for 3min., turn
on
a
ft
e
r
temperature
decreases
TROUBLE CAUSE SOLUTION