Ha! You're killin' me SoCal! I knew I shouldn't have bitten this hook. We get similar calls and it usually winds up being a homeowner "helping" out, trying to zero the minutes and going too far "backward".
-I like mitchgo's RESET option.
-Plugging face packs in with live power can surge the face pack.
-Start Times, Run Times, and Days get written to an E-PROM that shouldn't lose or change the data, even with a power outage.
-Check for corrosion on the circuit board if you're really that geeky.
-Loose nut behind tech support phone cause endless bad suggestions.