- Joined
- 27 Jan 2008
- Messages
- 23,899
- Reaction score
- 2,706
- Location
- Llanfair Caereinion, Nr Welshpool
- Country
I would guess two phase fuses blown and equipment is feeding those blown fuse supply lines. Likely big three phase motor has gone bang and taken out two fuses they rarely take out all three.
Other three phase equipment is then giving you the voltage. Bet a phase rotation meter will fail to rotate?
Other three phase equipment is then giving you the voltage. Bet a phase rotation meter will fail to rotate?