If the working environment becomes too hot, work will not be of the best quality. However, your chiller can be faulty and put you in this precise position. There are many faults that will need professional chiller repairs. Some of the signs you are likely to notice include the following: Chiller does not power up This is the most obvious sign, as long as there is no problem with power. If the switch is set to on and everything is as it should be, it could be a blown fuse that has caused this to happen.