SiENBE18-621
Troubleshooting for Outdoor Unit
Troubleshooting
313
7.5
Malfunction of Outdoor Unit Fan Motor
Remote Control
Display
E7
Applicable
Models
AII outdoor unit models
Method of
Malfunction
Detection
Malfunction of fan motor system is detected according to the fan speed detected by Hall IC
when the fan motor runs.
Malfunction
Decision
Conditions
"
When the fan runs with speed less than a specified one for 6 seconds or more when the fan
motor running conditions are met
"
When malfunction is generated 4 times, the system shuts down.
Supposed
Causes
"
Malfunction of fan motor
"
The harness connector between fan motor and PCB is left in disconnected, or faulty
connector
"
Fan does not run due to foreign matters tangled
"
Clearing condition: Operate for 5 minutes (normal)
Troubleshooting
Check No.03
Refer to P.354
Connector
of f
a
n motor i
s
di
s
connected.
YE
S
NO
NO
YE
S
C
a
n the f
a
n
b
e t
u
rned
s
moothly
with h
a
nd
a
fter di
s
connect
the connector of
f
a
n motor?
I
s
there
a
ny
o
bs
t
a
cle
a
ro
u
nd
the f
a
n?
YE
S
NO
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.
Connect the connector.
Remove the o
bs
t
a
cle.
Repl
a
ce the f
a
n motor of
o
u
tdoor
u
nit.
Repl
a
ce the f
a
n motor of
o
u
tdoor
u
nit.
Repl
a
ce o
u
tdoor
u
nit PC
b
o
a
rd.
YE
S
NO
Are the
re
s
i
s
t
a
nce
s
b
etween pin
s
ab
ove j
u
dgment?
Check No.0
3
Check on connector of f
a
n
motor (Refering to
inform
a
tion on p
a
ge
3
50)
Summary of Contents for BPMKS967B2B
Page 1: ...SiENBE18 621 E Series Service Manual Applied Models Super Multi Plus Heat Pump...
Page 12: ...SiENBE18 621 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 19: ...List of Functions SiENBE18 621 8 List of Functions...
Page 33: ...Specifications SiENBE18 621 22 Specifications...
Page 69: ...Refrigerant Flow for Each Operation Mode SiENBE18 621 58 Refrigerant Circuit...
Page 121: ...Indoor Unit SkyAir Models SiENBE18 621 110 Function...
Page 169: ...Instruction SiENBE18 621 158 System Configuration FTXS 20 25 35C Indoor Unit...
Page 371: ...Method of Replacing The Inverter s Power Transistors Modules SiENBE18 621 360 Troubleshooting...
Page 393: ...SiENBE18 621 vi Index...