Electronics Forum | Thu Dec 22 18:54:30 EST 2011 | dwoodbury
Hi. We are having constant error messages from a Fuji QP341/MTU9 tray unit. It says there is a safety relay failed to start in prescribed time. Nothing we do seems to fix it, but rebooting enough times and eventually it goes away. We changed relay bo
Electronics Forum | Thu Jan 22 09:24:14 EST 2009 | soudomphong
Hi, I am looking for a cheap Siemens safety contact relay for S-20 machine also call K2 relay. 3TK2804-OAC2. Anyone with info please contact me via email. I am also need to know the different between these two relays 3TK2804-0BB4 and the above metion
Electronics Forum | Thu Feb 29 13:42:53 EST 2024 | mistrthou
I'd be looking at the safety circuit as a whole. Grab a multimeter and make sure you get a full closed loop back to the safety relay, and see if the safety relay itself didn't go bad.
Electronics Forum | Mon Sep 03 21:41:04 EDT 2018 | jeffr
Thank you for your long mail. I think the problem with machine is linked to the Blue relays on the cards which form part of the enable circuit. I think those relays form part of the safety circuit preventing me latching in the main safety relay. I am
Electronics Forum | Tue Jul 26 09:50:21 EDT 2016 | leeg
Could it be the safety relay?
Electronics Forum | Thu Dec 31 12:21:44 EST 2020 | ecogroup
I Changed old parts to New Parts for: All 5 Magnetic Contactors, Circuit Breaker/Protector 1, I/O Switch housing + contact blocks, both 12v and 110v relays. Still CP40 contactors won't engage after I/O Switch is pressed, G9D-301 Safety Relay Power Le
Electronics Forum | Mon Dec 07 11:33:25 EST 2020 | ecogroup
Getting these errors: No command response from handler (0x1000) .... DpBlockWriteL: TimeOutWait for ACK .... Loading SYSTEM data to DPRAM is failed ..... Failed to create empty document ..... No command response from handler (0xffff) ..... Faile
Electronics Forum | Sun Jan 17 07:31:03 EST 2021 | bukas
check cable connections on front/rear feeder IF boards
Electronics Forum | Sun Jan 17 07:37:00 EST 2021 | bukas
and i dont know where this image came from...
Electronics Forum | Mon Jan 18 12:26:37 EST 2021 | bukas
have you tried just cleaning connectors prior to IF board change? maybe it was just bad connection, that is main issue with machines in my experience.
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