Ballast problem

[Snappy]

Originally Posted by albert_dao

Are the bulbs compatible with the type of ballast you are using?

Or am I reading this wrong? Is one of the ballast firing properly?

The bulbs are also Hamilton and are the right type and wattage. The ballast that runs a single bulb is working properly but the other one that runs the other 2 bulbs isn't. They are however both built into the same housing but with seperate switches.