Home Forums General Discussion Technical Questions OTIS controller MCS321, OVF-30 drive

0 members (), 18 guests, and 2 robots.

Key: Admin, Global Mod, Mod

September
S	M	T	W	T	F	S
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30

Newest Members

Josephs, Javy89, Ropeguy67245, kywewa, Ingvar
10,040 Registered Users

Forum Statistics

Forums13

Topics7,385

Posts40,944

Members10,040

Most Online3,137
Apr 9th, 2026

Print Thread

Re: OTIS controller MCS321, OVF-30 drive Ballroom #14263 05/26/15 10:50 AM
Joined: May 2015 Posts: 4 B BRAHMAJI stranger
BRAHMAJI stranger B Joined: May 2015 Posts: 4	Drive is displaying the fault M421. Can you please check and tell me what we have to check?

Entire Thread
Subject	Posted By	Posted
OTIS controller MCS321, OVF-30 drive	BRAHMAJI	05/25/15 10:34 AM
Re: OTIS controller MCS321, OVF-30 drive	JustWolf	05/25/15 01:18 PM
Re: OTIS controller MCS321, OVF-30 drive	BRAHMAJI	05/26/15 05:02 AM
Re: OTIS controller MCS321, OVF-30 drive	Ballroom	05/26/15 09:36 AM
Re: OTIS controller MCS321, OVF-30 drive	BRAHMAJI	05/26/15 10:50 AM
Re: OTIS controller MCS321, OVF-30 drive	DJ 411	07/22/15 03:12 AM
Re: OTIS controller MCS321, OVF-30 drive	mech	04/17/17 08:09 PM

Link Copied to Clipboard

Photo Gallery

service tool laptop
by dunkdadrunk, February 4

rip orona
by epic_ecodisc, January 7

what controller is this?!
by Alex_ELMAN, December 4

HW PM
by Chris, January 13

PECCO PH5000 Overspeed Governor
by stankap, September 24

Drive sheave
by jkh, October 10

The best helper.
by Adrian, August 8

Responsive Width:

PHP: 8.3.33 Page Time: 0.110s Queries: 17 (0.080s) Memory: 3.0251 MB (Peak: 3.5931 MB) Data Comp: Off Server Time: 2026-09-21 11:35:23 UTC
Valid HTML 5 and Valid CSS