SiENBE12-713
Troubleshooting
Service Diagnosis
249
5.11 Outdoor Unit PCB Abnormality
Remote Control
Display
E1
Outdoor Unit LED
Display
A
5
1
4
2
4
3
4
4
1
Method of
Malfunction
Detection
"
Detect within the programme of the microcomputer that the programme is in normal running
order.
Malfunction
Decision
Conditions
"
When the programme of the microcomputer is in abnormal running order.
Supposed
Causes
"
Out of control of microcomputer caused by external factors
!
Noise
!
Momentary fall of voltage
!
Momentary power loss
"
Defective outdoor unit PCB
Troubleshooting
Repl
a
ce the o
u
tdoor
u
nit
PCB.
C
a
rry o
u
t gro
u
nding work.
The c
aus
e c
a
n
b
e extern
a
l
f
a
ctor
s
other th
a
n
m
a
lf
u
nction.
Inve
s
tig
a
te the c
aus
e of
noi
s
e.
(R5142)
Caution
Be
su
re to t
u
rn off power
s
witch
b
efore connect or di
s
connect connector,
or p
a
rt
s
d
a
m
a
ge m
a
y
b
e occ
u
rred.
Power on
a
g
a
in
YE
S
Error
a
g
a
in?
NO
Check to
s
ee th
a
t the m
a
chine i
s
gro
u
nded.
NO
Gro
u
nded?
YE
S
Содержание FTKS20D3VMW
Страница 11: ...Introduction SiENBE12 713 x...
Страница 47: ...Specifications SiENBE12 713 36 Specifications...
Страница 113: ...Control Specification SiENBE12 713 102 Function and Control...
Страница 122: ...SiENBE12 713 Instruction System Configuration 111 Names of Parts FTK X S 20 25 35 C Indoor Unit...
Страница 235: ...Instruction SiENBE12 713 224 System Configuration...
Страница 297: ...Check SiENBE12 713 286 Service Diagnosis...
Страница 316: ...SiENBE12 713 Outdoor Unit Removal Procedure 305 Step Procedure Points...
Страница 330: ...SiENBE12 713 Others 319 Part 8 Others 1 Others 320 1 1 Test Run from the Remote Control 320 1 2 Jumper Settings 321...
