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SiE12-411
Check
Service Diagnosis
211
6.1.11 Capacitor Voltage Check
Check No.12
Before this checking, be sure to check the main circuit for short-circuit.
"
Checking the capacitor voltage
!
With the circuit breaker still on, measure the voltage according to the drawing of the model in
question. Be careful never to touch any live parts.
6.1.12 Power Transistor Check
Check No.13
"
Checking the power transistor
!
Never touch any live parts for at least 10 minutes after turning off the circuit breaker.
!
If unavoidably necessary to touch a live part, make sure the power transistor's supply
voltage is below 50 V using the tester.
!
For the UVW, make measurements at the Faston terminal on the board or the relay
connector.
F
a
n motor
le
a
d wire
S
olenoid v
a
lve
coil le
a
d wire
(Room A)
S
olenoid v
a
lve
coil le
a
d wire
(Room B)
S
olenoid v
a
lve
coil le
a
d wire
(Room C)
Compre
ss
or
le
a
d wire
Re
a
ctor
le
a
d wire
OL
le
a
d wire
Thermi
s
tor
le
a
d wire
Thermi
s
tor
le
a
d wire
(g
as
pipe)
Thermi
s
tor
le
a
d wire
(li
qu
id pipe)
S
olenoid v
a
lve
le
a
d wire
TB2
>P
S
<
TB
3
P2
N1
590
592
59
3
5
8
0
520
521
522
540
(Q0
3
66)
U
s
e the te
s
ter in
the DC r
a
nge.
Tester's negative terminal
Power transistor
(+)
UVW
Power transistor
(–)
UVW
Tester's positive terminal
UVW
Power transistor
(+)
UVW
Power transistor
(–)
Normal resistance
Several kohms to several Mohms
Abnormal resistance
0 or
∞
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...