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Troubleshooting
SiENBE04-512A
110
Service Diagnosis
4.9
DC Fan Lock
Remote Control
Display
E7
Method of
Malfunction
Detection
A fan motor or related 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.136
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.
SiENBE04-512A.book Page 110 Friday, October 5, 2007 1:49 PM
Summary of Contents for ARKH20CVMB7
Page 1: ...SiENBE04 512A Service Manual Inverter Pair Wall Mounted Type C Series D Series ...
Page 17: ...List of Functions SiENBE04 512A 8 List of Functions ...
Page 37: ...Specifications SiENBE04 512A 28 Specifications ...
Page 73: ...Control Specification SiENBE04 512A 64 Function and Control ...
Page 103: ...Instruction SiENBE04 512A 94 System Configuration ...
Page 147: ...Check SiENBE04 512A 138 Service Diagnosis ...
Page 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 512A 216 Removal Procedure ...
Page 229: ...Others SiENBE04 512A 220 Others ...
Page 241: ...Wiring Diagrams SiENBE04 512A 232 Appendix ...