Dear Kwakisaki,
Here I quoted your instruction and the Result:
1. Can you see if these connections (see attached) exist on Power Block B and if there are wires on connectors. There are Connection on both Power Block A and Power Block B marking PBB-CN7, PBB-CN8. Traced them and I got a Link from X11 Y11 from CR1 to PBB-CN7, PBB-CN8 can not get a Link unfortunately.
2. Is there stable voltage on Transformer wires X10 and Y10 whilst Controller is restarting. Very Stable at 97vac
3. Is there stable voltage on Transformer wires X20 and Y20 whilst Controller is restarting. Very Stable at 24.8vac
4. Are CR1, CR2 or CR3 turning on/off - if so, which ones. CR2 active first then CR2, CR3 doing nothing. Cycle On/Off for CR2 --->CR1 only.
- Maybe also pull out CR1 (for temp test). Removed CR1
- Check CR2. CR2 and CR3 still connect. CR2 cycle On/Off for almost 2mins then it keep ON.
- Check AVR supply input and output stability. AVR stable at 98vac in and 24.7vdc Out.
- Check stable voltage into Controller - Balanced 3 phase, could have phase missing. All 3 phase from Main power are stable at 379vac.
Here is the weird thing, after measurement suddenly the CR1, CR2 are holding the contact for almost 1min, the Screen is on with the warning and after approximate 1min the Screen is restart as the CR1 CR2 doing their restart Cycle. Please have a look at attach picture. I remembered, i turn all 3 CB off, and turn on 1 CB after CB then that weird thing happen
I switched CR2, still having the same problem. Found badly broken fan under Power Block A + B, removed them, removed X11 Y11 ( or 10 i do not remember ) which supply power to all the Door Fan. The Problem Still exit.
Please NOTICE, CR1 - CR2 doing the restart so the Screen and the Teach Pendant doing the restart also.
Just to be sure the DB1 with X21 top left, Y21 bottom left, P20 top right, N20 bottom right. Does it a part of the problem ?
PS: On Page 82 they mention of Breaker NFB since our Controler do not have it, i wonder what thing replace it.