Tim K Anderson , IN February 19, 2016 Appliance: Frigidaire Electric Range PLES389ECD Frigidaire Range Ples389ecd: Error f13 on frigidaire range. How to replace Clock Timer. Looked on line to find others with the same problem. Determined what to replace and contacted ApplianceParts and ordered part. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes