Customers complaint was a/c was shutting off periodically throughout today. Checked capacitor, capacitor tested out good on fan side and compressor side. Checked contactor, contactor was good. There is no safeties in condenser that would shut off unit. Customer has saver switch installed so electrical company will cycle unit during peak hours. Suspect unit was shutting off because of saver switch. Found condenser coil to be getting restricted with cotton. Cleaned condenser coil. Checked refrigerant levels, refrigerant checked out good. Recommend calling us back out if issue persists.