Troubleshooting
![](/sitemaps/103/small/103.jpg)
Back
Assembly PKS 10
Error category
Error signalling
Problem
Only LED OUT 1 flashes with 4 Hz and the switching output is deactivated
Error signalling
Problem
Only LED OUT 1 flashes with 4 Hz and the switching output is deactivated
Possible cause
Extreme overtemperature
Solution
Use protective fitting / cooling fitting / shield radiant heat
![Use protective fitting / cooling fitting / shield radiant heat](/api/keller/getMedia?bu=its&id=ID9000021)
Extreme overtemperature
Solution
Use protective fitting / cooling fitting / shield radiant heat