RE: Spektrum DX6i no longer working - Guidance Needed
Do these in order...
1. Rebind. Sometimes 2.4 systems can lose their bind for unknown reasons.
2. Check receiver voltage if you haven't already. Just because a battery is plugged in doesn't mean it's good. A 4.8v battery should give you 5.8-6v at rest when it's fully charged. A 6v battery (recommended for Spektrum) should give you 7.2-7.4v. If the battery checks out checking the voltage through the charge lead, plug an extension into an unused receiver port to check what the system is getting. A defective switch can cause enough voltage drop to shut everything down.
3. Call Spektrum customer service and explain your problem and what you've already done to fix it.