Any input on Cutler-Hammer Starter?

td456

Two  cutler –hammer advantage  starters are  doing the same thing:
9 K( _3 H' ]" z* R- s. O3 ] After start 2-3 times, they will quit working, if you toggle the  start and stop buttons on DCS screen  , you will get another 2-3 running before they quit working again.
3 w2 ?, y9 F: D! A3 j+ hIt is a cycle.
  Q) `  f$ @' @
We isolate the network control and use the local start and stop only, the problem remains.
- W! T2 S6 K: ~3 nSwap one of the defective buckets with a good one, the new bucket works fine.
The problem should be inside the bucket.

When the problem happened, we observed that  the contactor has a pulling action but will not seal.
$ V, L7 n0 c  j. {Use a terminating screw divers to push in the contactor, it will not seal either.
Confirm with TECH support this should be a problem with the control circuit board inside the advantage starter, we  bought two new control circuit boards and replaced the old ones, the problem is still the same.

5 I2 }0 y% ^# ]( R7 gThe next thing we can think of  is the coil, we took the coil out to have a close look.
" \+ G. a* \4 N& R- _They  have a fork to pinch inside the two leads to make connection, it is not a good design at all. We soldered  the connection and tried again.
It is getting better  this time, we have 7-8 times of running before it quit working.
! x/ S! ]# a" f4 B8 }- E3 {
5 t4 _! A, D6 i# s* [1 CThe coil should be the problem, we ordered two of them. But it will take 5-6 weeks for us to get them.

Do you guys have any input on this issue?

侠客行

有时候主接触点太脏，也会造成启动器无法正常工作

贾电工

- f9 R; ^+ z0 S! H, d. ~中国人在这里最好说中国话！说英语或想学英语请人到洋人论坛！

homestay

Don't know cutler –hammer advantage  starters very well, but had been worked on AB switch gears for a little while, which has two different coils, one to pull the vacum bottles up which employs larger current, another one uses less current to hold the connection---if the second coil fails, it won't be able to seal the connection.
6 v, n" O0 j  \+ x8 x. d9 kSince your cutler -hammer works couple times,  I guess 侠客行 is right, or the sealing connection is just worn out.

td456

2# 侠客行
也想到这一点，不过这是新装的设备。
  P. C% a7 L$ o8 P, H- K4 E1 V检查过触点没问题。