Sounds crazy I know, but when my intonation is off every tuner I have acts that way.

You said you have an Ibanez electric I think, I don't suggest trying to do this yourself. See if you can get someone at a music store to check it. Tell them you think it is making a difference in your tuning.

You being a customer, and them wanting to keep you happy. They shouldn't charge anything, just ask them to check it for you. You being a beginner, they should really want to keep you coming back to their store.

JD