Below you find the login information you need to be able to do a fault report and to book laundry/kitchen:

Fault report
User name: Personal No. e.g. 19900102-0304
Password: The apartment No. E.g. if you live in 567 you will have to use 0567. If you live in 1241 you will use 1241.

If you rent your apartment through KTH, you should do your error report through 
https://intra.kth.se/campus/lokalservice/servicenummer-9200/felanmalan-studentbostader-1.769235

To book laundry/kitchen
Name: Your apartment number. 
At your front door you will find the apartment number/the Tax Office number. If you live at floor 10 then your apartment number starts with 10. The second number is the Tax Office number and used to your address. 
Password: Tax office no, e.g. 1302