The 500 ma fuse protects the control circuit. You have an earth fault in the wiring. The most common place is in the seat where the swivel bar mechanism is. It is really a job for a stairlift engineer to check out the wiring with an insulation tester.
Ib January 2017
You need to find out what the fuse protects from and why it keeps blowing, rather than just replacing things willy nilly
how can i fix my moms stannah 420 stairlift?stannah 420 this unit works fine it goes up to top and stops it will go back down and stop as it is supposed to but when it is stopped it beeps I have changed both batteries and checked the charger it seems to be working as it should is there something im overlooking voltage on batteries hold betwee...Click here for how to mend it.
Removing batteries on stannah 420 stairlift ?I have tried replacing a pair of batteries on a stannah 420 stairlift,I can remove the lower battery but not the top battery because the seat is too low down and I can’t remove the cover, any ideas of how to raise the seat?...Click here for the fix.
Stannah 420 Remote Control Problem?I just installed a used Stannah 420 stairlift. It works fine except the remote control buttons work backwards. The up button makes it go down and the down button makes it go up. How do I correct this?...Click here for how to mend it.
Stannah 420 2nd Led?Can someone tell me what the 2nd LED from the left side of the PCB is for?
A friend of mines stairlift will only move a short distance, then this 2nd light is illuminated and it will not move further without turning the power off/on. then the same thing happens. The longer it is left, the further d...Click here for the repair.
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