JennAir Range Error Codes — Complete List
The JennAir range code covered here is F9 E0 (also shown as F9): JennAir lists it as a possible miswired outlet or appliance connection, power-line noise during an outage, or keys pressed during the power-up delay.
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JennAir's cooking error-code page also explains the LOC, SAB and PF messages; other F-codes aren't given meanings there.