The problem isn’t just that your bathroom steams up, a broken bath fan could lead to mold and mildew. No one wants that. Well, maybe the mold does, but people certainly don’t. So what’s the problem? Is the fan heater broken? Is the fan not venting? Something else? Our troubleshooting guide will help you find out what’s going on and show you how to make the repair yourself. That means you’ll save money and get the fan back in working order at the same time.