Posted By: chicago
Magnetek 412 DC Drive - 04/26/18 06:27 PM
Have Magnetek DSD 412 DC ELEVATOR DRIVE. About 4 years old. Elevator shutdown with 405 fault every day. No problem with safety circuit. Faults out at several different floors, doors always open.????? Bad power supply on drive??
Thanks.
Posted By: Turbo6
Re: Magnetek 412 DC Drive - 04/26/18 08:02 PM
What is wired between TB3-1 and TB3-6. Pic of print?
Posted By: elmcannic
Re: Magnetek 412 DC Drive - 04/26/18 08:32 PM
There are several contact points to check.
All drive box related (A4 power supply). Somewhere in this contact chain, a contact failure at start ocurrs.
Motor Thermostat
Relays K1, K2
Relay LPR and its contacts
Relay 1M
Associated contacts on LPR and Line Contactors.
Also at TB-1 42-41 (N.O. and 41-40 N.C.) are K1 and K2 contacts respectively.
Check every accessible terminal screw point for loose wires and terminal blocks and relays, as well as your ps operational voltage.
You can google your drive and see the manual for full diagrams.
Posted By: Indirtwetrust
Re: Magnetek 412 DC Drive - 04/26/18 09:00 PM
What kind of controller is this drive on?