So I found out why my exit building switch (53) wasn’t working. Spent a day trying to fix my it so I thought I would share my findings so someone else doesn’t waste a whole lot of effort like me.
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1) micro switches do not fail that often. Press down on the switch, does it click? If so probably not the switch. My mistake ordered a new one, desoldered old, soldered on new one. Didn’t work. What I should have done is swap this with another switch location that was working to see that my original switch was good. Dumbass. So not the switch.
Here’s where things got worse
2) check connections - unplugged and replugged at switch end and node board 9, cn12. Still no good.
Ok so connection, harness or node board problem
3) check molex pin 4 at node board 9 cn12. Accidentally pulled out connector 4, it snapped.
4) check continuity with multimeter to determine if switch and common have a connected circuit. Here’s my next mistake. Checked from switch female molex plug to side of molex (broken) pin that connects to cn12. Got continuity on both switch circuit a common.
5) next big mistake jumped to conclusion must be node board. Swapped out deadpool node board 8 with gz board 9 since they are the same. Next stuff up- snapped off locking tab on one of the large power molex - worked out do not try to bend these suckers with screwdriver to ease out molex -they easily snap at base. Instead just start to pull one corner of large molex and just get small screwdriver underneath molex and ease out - the lock tab will not stop the molex from being removed this way. Also made the mistake of not changing the dip switches. 8 has a different setting to 9. So you can swap them but you need to set the switches first. So after getting deadpool a node board in Godzilla, switch still didn’t work.
6) check continuity right way - one lead of multimeter in switch molex female connector firstly for switch circuit to documented pin 4, next for common black lead to ground pin 10. BUT this time pull out board molex from cn12 just by a few millimetres. Check pin on board, so you are sneaking the multimeter rod under the molex connector and touching the pin thus testing the molex connection to the pin on board as well. I was not getting continuity to pin. In my earlier inspections I had snapped the molex connection inside for pin 4. Crimped on a new one, popped it back in housing. When crimping make sure the crimp is tight. If any of the tabs are a bit untidy they will not go back in the molex housing well. I just used needle nosed pliers and a lot of cursing. Also if it is still tricky getting crimped wire back into molex, check the bully bit at the end. Compressed too much and it won’t catch, uncoiled too much and it won’t go in at all. Just play with the little oval bit of metal until it slides easily into moles housing and clicks. So pin fixed, switch still doesn’t work.
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7) solution and lesson learned. The loss of connection to switch was actually a loose in-line molex connector at the switch end. Sigh. All I had to do was pull the 2 male pins toward each other so they had a good connection with the female counterpart. I did not have to buy a new switch, nor swap node boards, nor break the node board molex connector nor waste all of yesterday. If a switch fails, check switch in-line molex. Just thought I’d share. Don’t know if there’s a “what to check if switch fails” thread on pinside. Will check.
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