Mitsubishi Electric FR-F740-00023

270
Causes and corrective actions
5.3 Causes and corrective actions
[F\ W++(+&15--#/5
L&?5--#/5&+5/#+9.$/&(85+#0.($#7&0+()275-&.-&9.-87#'596&U)08)0&.-&$(0&-")0&(**6
I?&)<(*-1#/<1&%#
51;*'<(*-1
UISR
E<B&
U85+#0.($&8#$57&7(,%
R&=')*?(*-1
U85+#0.($&7(,%&?(95&.-&-506&U85+#0.($&(0"5+&0"#$& &.-&.$4#7.96 (Refer to page 260.)
G,&'.#?-*1(
<<<<<<<<<<<<<<
G-))&'(*0&#<'(*-1
d+5--& &*(+&]-&0(&+575#-5&7(,%6
I?&)<(*-1#/<1&%#
51;*'<(*-1
$)!
E<B&
P+.05&9.-#275&5++(+
R&=')*?(*-1
F6 X()&#005?8059&0(&?#%5&8#+#?505+&-500.$/&C"5$&Pr. 77 Parameter write selection "#-&255$&-50&0(&9.-#275&
8#+#?505+&C+.056
]6 :+5K)5$,'&M)?8&-500.$/&+#$/5&(45+7#88596
_6 L9M)-0#275&^&8(.$0-&aY:&-500.$/-&(45+7#8859
`6 !"5&dT&#$9&.$45+05+&,#$$(0&?#%5&$(+?#7&,(??)$.,#0.($
G,&'.#?-*1(
F6 S"5,%&0"5&-500.$/&(*&Pr. 77 Parameter write selection (Refer to page 172.)
]6 S"5,%&0"5&-500.$/-&(*&Pr. 31 to 36 (frequency jump). (Refer to page 77.)
_6 S"5,%&0"5&-500.$/-&(*&Pr. 100 to Pr. 109 (Adjustable 5 points V/F)6&(Refer to page 81.)
`6 S"5,%&0"5&,($$5,0.($&(*&0"5&dT&#$9&.$45+05+6
I?&)<(*-1#/<1&%#
51;*'<(*-1
$)2
E<B&
P+.05&5++(+&9)+.$/&(85+#0.($
R&=')*?(*-1
P"5$&8#+#?505+&C+.05&C#-&85+*(+?59&9)+.$/&(85+#0.($&C.0"&#&4#7)5&(0"5+&0"#$&O]O&[C+.0.$/&.-&5$#2759&
.$9585$95$07'&(*&(85+#0.$/&-0#0)-&.$&#$'&(85+#0.($&?(95\&.-&-50&.$&Pr. 77&#$9&0"5&b!:&[b!;\&.-&($6
G,&'.#?-*1(
F6 S"5,%&0"5&Pr. 77&-500.$/6&(Refer to page 172.)
]6 S"5,%&0"#0&0"5&.$45+05+&.-&$(0&(85+#0.$/6
G-))&'(*0&#<'(*-1
F6 b50&O]O&.$&Pr. 776
]6 L*05+&-0(88.$/&(85+#0.($B&?#%5&8#+#?505+&-500.$/6
I?&)<(*-1#/<1&%#
51;*'<(*-1
$)4
E<B&
S#7.2+#0.($&5++(+
R&=')*?(*-1
L$#7(/&.$8)0&2.#-&#$9&/#.$&,#7.2+#0.($&4#7)5-&#+5&0((&,7(-56
G,&'.#?-*1(
S"5,%&0"5&-500.$/-&(*&S_B&S`B&SE&#$9&S=&[,#7.2+#0.($&*)$,0.($-\6&(Refer to page 162.)
I?&)<(*-1#/<1&%#
51;*'<(*-1
$)9
E<B&
1(95&95-./$#0.($&5++(+
R&=')*?(*-1
tX()&#005?8059&0(&?#%5&8#+#?505+&-500.$/&.$&0"5&QW!&(85+#0.($&?(95&C"5$&Pr. 77&.-&$(0&O]O6
t 3*&#&8#+#?505+&C+.05&C#-&85+*(+?59&C"5$&0"5&,(??#$9&-()+,5&.-&$(0&#0&0"5&(85+#0.($&8#$57&&[:;<
NT>=\6
G,&'.#?-*1(
F6 S"5,%&0"#0&(85+#0.($&?(95&.-&OdT&(85+#0.($&?(95O6
]6 S"5,%&0"5&Pr. 77&-500.$/6&(Refer to page 172.)
_6 S"5,%&0"5&Pr. 551&-500.$/6
G-))&'(*0&#<'(*-1
F6 L*05+&-500.$/&0"5&(85+#0.($&?(95&0(&0"5&OdT&(85+#0.($&?(95OB&?#%5&8#+#?505+&-500.$/6&(Refer to page
172.)
]6 L*05+&-500.$/&O]O&.$&Pr. 77B&?#%5&8#+#?505+&-500.$/6
_6 b50&Pr.551&c&O]&[.$.0.#7&-500.$/\O6&(Refer to page 184.)
I?&)<(*-1#/<1&%#
51;*'<(*-1
)$!
E<B&
d#+#?505+&+5#9&5++(+
R&=')*?(*-1 L$&5++(+&(,,)++59&.$&0"5&WWd;U1&($&0"5&(85+#0.($&8#$57&-.95&9)+.$/&8#+#?505+&,(8'&+5#9.$/6
G,&'.#?-*1( <<<<<<<< <<<<<<
G-))&'(*0&#<'(*-1
t 1#%5&8#+#?505+&,(8'&#/#.$6&(Refer to page 263.)
t S"5,%&*(+&#$&(85+#0.($&8#$57&[:;<NT>=\&*#.7)+56&d75#-5&,($0#,0&'()+&-#75-&+58+5-5$0#0.456