OPERATIONAL INSTRUCTIONS
15
SC4000 Pos 5
V23C_09.13
is missing cable is 4-poled and
all poles are connected
8. main fuse F1 or motor push automatic fuse on*
protection fuse F10, F11
gone off
9. automatic fuse F7 for push automatic fuse on*
control current gone off
Lifting motor 1. phase is missing Check supply cable
”snarls” and fuses.*
doesn´t move
Always pay attention to
the length of supply
cable => voltage drop.
2. supply voltage too low call maintenance techni-
cian
3. magnetic brake of lifting call maintenance techni-
motor defective cian
Platform moves 1. lower limit switch S11 change the limit*
up but not down broken or stuck
2. safety brake gone on release the safety brake
according to the instruc-
tions (call main te nance
technician)
3. push button S6 in pendant change the pendant
control E3 broken control E3
4. safety limit switch adjust safety limit switch
S13 has moved (adjustment S13 of the safety brake
changed) (call maintenance techni-
cian)
Platform moves 1. upper limit switch S11 change upper limit S11*
down but not broken or stuck (call maintenance techni-
up cian)
2. inductive limit B1 broken change inductive limit B1*
(call maintenance techni-
cian)
3. push-button S4 broken change pendant con trol
E3*
Trouble Possible cause Corrective action
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