Day 5 Still 48, but bubbles

Day 5 of fermentation, Sept. 11 at noon, the temp was still 48 degrees, but we have frequent bubbles. I timed them at every three seconds, fairly large bubbles were appearing. I raised the temp control in the fridge to 1, which is the warmest it will go so here's hoping we'll get it to at least 50 degrees this time.