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Check
SiE12-411
204
Service Diagnosis
6. Check
6.1
How to Check
6.1.1 Fan Motor Connector Output Check
Check No.01
1. Check connector connection.
2. Check motor power supply voltage output (pins 4-7 and 4-8).
3. Check motor control voltage (pins 4-3).
4. Check rotation command voltage output (pins 4-2).
5. Check rotation pulse input (pins 4-1).
Check No.02
1. Check connector connection.
2. Check motor control voltage output (pins 2-1).
6.1.2 Limit Switch Continuity Check
Check No.3
Remove the front grille. The limit switch is located at the left side of the drain pan assembly.
Check the continuity of the switch connection.
∗
The shutter can be opened and closed with hand. Keep the shutter open and closed all the
way for each continuity check steps.
Upper f
a
n connector
Lower f
a
n connector
(R1224)
7
6
5
4
3
2
1
Motor power
su
pply volt
a
ge
Un
us
ed
Un
us
ed
P.0V (reference potenti
a
l)
Motor control volt
a
ge (15 VDC)
Rot
a
tion comm
a
nd volt
a
ge (1
~
5 VDC)
Rot
a
tion p
u
l
s
e inp
u
t
8
7
6
5
4
3
2
1
Motor power
su
pply volt
a
ge
Un
us
ed
Un
us
ed
Un
us
ed
P.0V (reference potenti
a
l)
Motor control volt
a
ge (15 VDC)
Rot
a
tion comm
a
nd volt
a
ge (1 to 5 VDC)
Rot
a
tion p
u
l
s
e inp
u
t
S
202
(R107
3
)
5
4
3
2
1
Motor power
su
pply volt
a
ge
Un
us
ed
Un
us
ed
P.0V (reference potenti
a
l)
Motor control power
su
pply
Te
s
ter
Limit
s
witch
Forw
a
rd
Upw
a
rd
S
h
u
tter
s
t
a
t
us
Contin
u
ity
Clo
s
ed
No contin
u
ity
Open
Contin
u
ity
(Q0
3
6
3
)
Summary of Contents for Super Multi NX C-Series
Page 6: ...SiE12 411 Table of Contents v Index i Drawings Flow Charts v...
Page 7: ...SiE12 411 vi Table of Contents...
Page 67: ...Specifications SiE12 411 56 Specifications...
Page 171: ...Instruction SiE12 411 160 System Configuration...
Page 225: ...Check SiE12 411 214 Service Diagnosis...
Page 295: ...SiE12 411 iv Index...