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Troubleshooting
SiENBE12-713
252
Service Diagnosis
5.14 DC Fan Lock
Remote Control
Display
E7
Outdoor Unit LED
Display
A
5
1
4
2
4
3
4
4
4
Method of
Malfunction
Detection
A fan motor line error is detected by checking the high-voltage fan motor rpm being detected by
the Hall IC.
Malfunction
Decision
Conditions
"
The fan does not start in 30 seconds even when the fan motor is running.
"
The system will be shut down if the error occurs 16 times.
"
Clearing condition: Continuous run for about 5 minutes (normal)
Supposed
Causes
"
Fan motor breakdown
"
Harness or connector disconnected between fan motor and PCB or in poor contact
"
Foreign matters stuck in the fan
Troubleshooting
Check No.15
Refer to P.284
T
u
rn off the power
a
nd
reconnect the connector.
Remove.
Repl
a
ce the o
u
tdoor
u
nit
f
a
n motor.
Repl
a
ce the o
u
tdoor
u
nit
PCB.
(R2
8
4
3
)
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.
F
a
n motor connector
di
s
connected?
YE
S
YE
S
NO
YE
S
NO
P
u
l
s
e
s
ign
a
l inp
u
tted?
NO
Foreign m
a
tter
s
in or
a
ro
u
nd the f
a
n?
Get
s
t
a
rted.
Check No. 15
Check the o
u
tdoor
u
nit PCB rpm
p
u
l
s
e inp
u
t.
Summary of Contents for FTKS20D3VMW
Page 11: ...Introduction SiENBE12 713 x...
Page 47: ...Specifications SiENBE12 713 36 Specifications...
Page 113: ...Control Specification SiENBE12 713 102 Function and Control...
Page 235: ...Instruction SiENBE12 713 224 System Configuration...
Page 297: ...Check SiENBE12 713 286 Service Diagnosis...
Page 316: ...SiENBE12 713 Outdoor Unit Removal Procedure 305 Step Procedure Points...