notes of a bank IT guy in Talas. plain, since 2022.
2022-05-15 · work
Real case. One machine in a branch refused cards every sunny afternoon and worked every rainy day. Three engineers, two weeks. The answer: the sun through the glass door heated the card reader past its limit. Rain = clouds = cool reader.
Fix: a curtain. Total cost 900 som. The most expensive part was the two weeks.