Translation of falsify in Spanish

We wanted to take a hot shower but there was no hot water at all. We asked someone to fix it and he showed us that there was a heating switch outside the bathroom which would turn on the boiler.
In the autumn of 2006 we flew to South East Asia in order to travel in the region for three weeks. Our first stop was Bangkok airport, where we arrived in the middle of the night, around 4a.m.
We took a very relaxing breakfast and made laundry - by the way the cloths dried within 30 minutes as the humidity was as low as 10% or so and the sun extremely strong at this altitude.