Trouble Shootins - Hitachi J300 Series Instruction Manual

t
Trouble shootins
Symptom
The
will not
Thc invener
ourpurs
u(Tl), v(T2
and w(T3)
supplying
voltage,
.ls powcr being supplied 1o tcnninals
R(L1), S(L2) and T(L3)?
It it is, thc POWER larnp should be on.
. Chcck tcrminals R(Ll). S(L2), T(L3), UOII
v(r2), and w(r3).
. Tum on thc power supply.
. k the display EEE ?
. PressE
E and check the conrcnr.
Then press the rcsct ke].
. Is the operation insiruction RUN ON?
. Is lerininal FW (or REV) connected ro
terminal P24? .
. Sct to ON.
. Connecr lerminalP24 ro tcrminal Fw
(or REV) on dlc pnnted,circuit board.
(When thc tcrminal mode is sclccred.)
'Has the frequenc] sctterbeen tumcd on
. . . t E + l
b) Pulh'ng
LFijNc
re) and rhcn
EEt.''
' Are lhc printed,circuit board te.minals
H, O and L connected to
thc potent'ometrer? .
. Arc de lerninals connecred to the
extemal ,nd intemal intcriace powe.
sourcc tne termlnal modc is selecled?
. Push down keys and se!.
. When terminal mod€ is selectcd, connect th.
polentromclcr 10 H, O, and L. and then set.
.In the case of thc imemal interface power
source. shon $e terminals P24 and PLC or
C M 1 a n d P L C .
.In the case of$e exlcmal interface powcr
source. tum thc PLC terminalon.
. Has RS/FRS been leil ONI
. Contacr FRS.
ts trre moae rcy IFTB serting conecri
. Read the cxplanation ofthe function mode
once asain. (Pagc 7 12) F9 frcqucncy/run
commanding neth0d
u(T1), v(T2)
and w(T3)
dre supplying
volage.
The oplional
. Has thc motor s€ized oris the load too
great?
. Rclcasc seizure or lighren thc bad.
. Tcst rhc mobr indep€ndendy.
. Are lhe remotc operator and cquipmcnl
body swrtchcd coonectly ?
. Is the sening ot' thc DIP s\'rtch on thc
bick of the rcmotc opcra(tr corecl ?
. Check thc opcratn)n of the optional rcmore
opemlor. (cop) unu)
ffi
2: ON (Sane as VwA, JlO0)
Thc
of ihe
. Are !h€ conncctions ofoutput tcrminals
U(Tl). V(T2) and w(ll) concct?
.Is the phase scquence ofthe moror
iorwdd or revcrsc in respecr to U(Tl).
v(T2) and w(T3)l
. Makc thc conneclions according to the phase
sequencc ofthe nrctor. (ln gcncral, fbrward
should be in thc scquence: U(l l), V(T2)
and w(T3).)
. Arc $e terminals on rhc printed-circuir . Shon the Fw terminal for lbrward rotation or
the intelligent inpul lcrminal 8 (rhe inrelligcnr
input terminal 8 is allocated to rxn conrmand
REV by lnitialization at factory bcfbre
shipmenr) fbr rcverse rotation to rhc P24
teminal (Sourcc rype).