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SiE12-411
Check
Service Diagnosis
213
6.1.15 Hall IC Check
Check No.16
1. Check the connector connection.
2. With the power ON, operation OFF, and the connector connected, check the following.
∗
Output voltage of about 5 V between pins 1 and 3.
∗
Generation of 3 pulses between pins 2 and 3 when the fan motor is operating.
Failure of (1)
$
faulty PCB
$
Replace the PCB.
Failure of (2)
$
faulty hall IC
$
Replace the fan motor.
Both (1) and (2) result
$
Replace the PCB.
The connector has 3 pins, and there are two patterns of lead wire colors.
Gr
a
y (power
su
pply)
P
u
rple (
s
ign
a
l
s
)
Bl
u
e (gro
u
nding)
White (power
su
pply)
White with
b
l
a
ck line (
s
ign
a
l
s
)
White with m
a
n
u
f
a
ct
u
rer m
a
rk (gro
u
nding)
1
2
3
1
2
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...