I once had a battery with the terminals the wrong way round

I once had a battery with the terminals the wrong way round

what do you mean angus the battery terminals was the wrong way round or the battery was connected to the panel the wrong way round?

hi guys, am currently on my campsite where the alarm is, and have checked the battery fuse and that's ok. any further help if possible is welcome especially as i have the panle in front of me and the cover off.

hi guys, am currently on my campsite where the alarm is, and have checked the battery fuse and that's ok. any further help if possible is welcome especially as i have the panle in front of me and the cover off.

have you got a test meter ? check for volts (DC) across the terminals of the new battery if none then the fact the panel see`s the old battery but not the new one could mean the new battery is faulty (never had one of those) where did you get it from?

have put meter on battery an it's about 12.7volts. have put the meter onto the charge leads with the battery removed and there's nothing, but the fuse is ok ( system recognises when the battery is removed though but flashing the power light on the keypad.

have put meter on battery an it's about 12.7volts. have put the meter onto the charge leads with the battery removed and there's nothing, but the fuse is ok ( system recognises when the battery is removed though but flashing the power light on the keypad.

what do you get with the battery connected but no mains ? - probably nothing above 8v if less then its a dead battery

have put meter on battery an it's about 12.7volts. have put the meter onto the charge leads with the battery removed and there's nothing, but the fuse is ok ( system recognises when the battery is removed though but flashing the power light on the keypad.

checked fuse visually or on meter, if okay on meter your psu shafted

what do you get with the battery connected but no mains ? - probably nothing above 8v if less then its a dead battery

battery on its own with nothing connected no even the system is reading 12.7 volts. i've put the meter on the end of the fly leads withthout he battery connected and there's nothing - which i guess mean there's nothing going to the charging circuit. fly leads are ok no damage to them. im stumped as to why it's not charging and why the battery won't give its powe to the circuit. have put the battery back on and put the meter across the fly leads on the actual pcb and i get a battery voltage. im clueless now. any ideas what else i can test/measure resistor voltages etc. etc.

just try another fuse first

just try another fuse first

good bless u!!! it wasn't the fuse but the actual holder, bloody thing!!! THANK YOU !!!!!!!!!! u've made my day!!!!! have a xmas pint on me