No. It's operating normally. When you are reading 13.2, 13.4 that is actually the surface charge, not the actual battery charge. Meaning your batteries are receiving current and charging normally from your converter/charger. 14.4 would be the bulk charge rate, which it does not hold for very long before stepping down to the 13.4 saturation charge rate.
In some cases with stock converter/chargers and factory wiring, it's not uncommon to read 14.4v on the outgoing lines from the converter, but due to the wiring and distance to your battery/ies you may experience voltage loss and only see 13.8 or even less at the battery terminal.
Once your batteries are charged and allow to "rest" for several hours and the surface charge dissipates, you should be reading 12.6v which would indicate your batteries are fully charged.
You're good to go.