Thinking
98 F150 5.4L E40D/4R100
Joined: Nov 2006
Posts: 28,519
Likes: 7,631
From: MI
Huh...that one has a sticker.. Hmmmm........it's a first!
Last edited by Jbrew; Mar 24, 2024 at 04:37 PM.
98 F150 5.4L E40D/4R100
Joined: Nov 2006
Posts: 28,519
Likes: 7,631
From: MI
I actually have a spare board for my furnace. When my home warranty replaced the whole board, they let me keep the old board, which had a bad relay. I found a new set of relays at Moser, and got it back to working.
Good luck with all of that mess, Brew! That must've been one hell of a spike!
Good luck with all of that mess, Brew! That must've been one hell of a spike!
I was thinking about switching to fast blow vs slow blow fuses. Maybe it won't take the board out if it happens again...takes a second for slow blows..they have to melt first. I'm not sure that's a good idea...better not.
Took awhile to find everything that had taken a hit. Went to start the new dishwasher...no worky, the washer... nothing.. Then furnace just began acting funny before it finally went...should take a pic of the jumpers I have on that board right now...hey, it's working at least. Not going to attempt to fix the old one, to difficult to isolate the problem. Not worth the effort when it goes through the board like that..
But for the on everything else, just fuses and varisters for the most part..did their job...anybody can replace those.
_______________
As for the spike. Yep, power went off and then back on quickly, then right back off again.....no time to unplug anything. Not that I made that a practice, I haven't...suppose to do that. Computers (two) were up, plugged in and running, Two TV's were on...didn't phase them thankfully. Actually being on doesn't matter, just a connection. Power strips are surge protected though...older belkin strips, that might of made a difference there. Belkin was or use to be the good stuff. Didn't blow the gfci circuits either , or trip them. Well actually it did trip some breakers in the box...should of looked closer at those, I can't be sure of which ones unfortunately.
Last edited by Jbrew; Mar 24, 2024 at 01:49 PM.
Senior Member
Joined: Dec 2015
Posts: 23,191
Likes: 8,622
From: Utah
Mouser right ? That's a good one.
I was thinking about switching to fast blow vs slow blow fuses. Maybe it won't take the board out if it happens again...takes a second for slow blows..they have to melt first. I'm not sure that's a good idea...better not.
Took awhile to find everything that had taken a hit. Went to start the new dishwasher...no worky, the washer... nothing.. Then furnace just began acting funny before it finally went...should take a pic of the jumpers I have on that board right now...hey, it's working at least. Not going to attempt to fix the old one, to difficult to isolate the problem. Not worth the effort when it goes through the board like that..
But for the on everything else, just fuses and varisters for the most part..did their job...anybody can replace those.
_______________
As for the spike. Yep, power went off and then back on quickly, then right back off again.....no time to unplug anything. Not that I made that a practice, I haven't...suppose to do that. Computers (two) were up, plugged in and running, Two TV's were on...didn't phase them thankfully. Actually being on doesn't matter, just a connection. Power strips are surge protected though...older belkin strips, that might of made a difference there. Belkin was or use to be the good stuff. Didn't blow the gfci circuits though.
I was thinking about switching to fast blow vs slow blow fuses. Maybe it won't take the board out if it happens again...takes a second for slow blows..they have to melt first. I'm not sure that's a good idea...better not.
Took awhile to find everything that had taken a hit. Went to start the new dishwasher...no worky, the washer... nothing.. Then furnace just began acting funny before it finally went...should take a pic of the jumpers I have on that board right now...hey, it's working at least. Not going to attempt to fix the old one, to difficult to isolate the problem. Not worth the effort when it goes through the board like that..
But for the on everything else, just fuses and varisters for the most part..did their job...anybody can replace those.
_______________
As for the spike. Yep, power went off and then back on quickly, then right back off again.....no time to unplug anything. Not that I made that a practice, I haven't...suppose to do that. Computers (two) were up, plugged in and running, Two TV's were on...didn't phase them thankfully. Actually being on doesn't matter, just a connection. Power strips are surge protected though...older belkin strips, that might of made a difference there. Belkin was or use to be the good stuff. Didn't blow the gfci circuits though.
Senior Member
Joined: Oct 2017
Posts: 1,728
Likes: 440
From: CA near Frisco
Varistors can short and seem intact. Inspect for discoloration.
Mouser right ? That's a good one.
I was thinking about switching to fast blow vs slow blow fuses. Maybe it won't take the board out if it happens again...takes a second for slow blows..they have to melt first. I'm not sure that's a good idea...better not.
Took awhile to find everything that had taken a hit. Went to start the new dishwasher...no worky, the washer... nothing.. Then furnace just began acting funny before it finally went...should take a pic of the jumpers I have on that board right now...hey, it's working at least. Not going to attempt to fix the old one, to difficult to isolate the problem. Not worth the effort when it goes through the board like that..
But for the on everything else, just fuses and varisters for the most part..did their job...anybody can replace those.
_______________
As for the spike. Yep, power went off and then back on quickly, then right back off again.....no time to unplug anything. Not that I made that a practice, I haven't...suppose to do that. Computers (two) were up, plugged in and running, Two TV's were on...didn't phase them thankfully. Actually being on doesn't matter, just a connection. Power strips are surge protected though...older belkin strips, that might of made a difference there. Belkin was or use to be the good stuff. Didn't blow the gfci circuits either , or trip them. Well actually it did trip some breakers in the box...should of looked closer at those, I can't be sure of which ones unfortunately.
I was thinking about switching to fast blow vs slow blow fuses. Maybe it won't take the board out if it happens again...takes a second for slow blows..they have to melt first. I'm not sure that's a good idea...better not.
Took awhile to find everything that had taken a hit. Went to start the new dishwasher...no worky, the washer... nothing.. Then furnace just began acting funny before it finally went...should take a pic of the jumpers I have on that board right now...hey, it's working at least. Not going to attempt to fix the old one, to difficult to isolate the problem. Not worth the effort when it goes through the board like that..
But for the on everything else, just fuses and varisters for the most part..did their job...anybody can replace those.
_______________
As for the spike. Yep, power went off and then back on quickly, then right back off again.....no time to unplug anything. Not that I made that a practice, I haven't...suppose to do that. Computers (two) were up, plugged in and running, Two TV's were on...didn't phase them thankfully. Actually being on doesn't matter, just a connection. Power strips are surge protected though...older belkin strips, that might of made a difference there. Belkin was or use to be the good stuff. Didn't blow the gfci circuits either , or trip them. Well actually it did trip some breakers in the box...should of looked closer at those, I can't be sure of which ones unfortunately.
98 F150 5.4L E40D/4R100
Joined: Nov 2006
Posts: 28,519
Likes: 7,631
From: MI
Perhaps. They blow apart, the wire has to separate...explode usually.. What they're made to do, like a fuse really. Shake a non working small power supply/transformer and if you hear stuff rattling around in there, it's most likley varister pieces. They're messy when they go.