Jenn-Air JJW8630 Service Manual page 10

FAULT
CODES PROBLEMS COMPONENTS TO CHECK
J2 harness shorted. If checks
POWER TO ELEMENT RELAY ENERGIZED ok, change (PRB) power relay
F1 DURING TIME OF DAY DISPLAY. board. Note: For double oven
only, change second oven
board.
Over temperature sensed; over 620
F2 sensed by control in time of day mode, Ohm sensor. If checks ok,
bake mode, or over 950 sensed in clean change power relay board.
mode. "See chart for sensor value."
F3 Cooling fan on with no oven function Ohm sensor, wire harness to
selected, sensor.
F4 Shorted oven sensor Ohm sensor, wire harness to
sensor,
F5 Power element relays disabled in cook 1) Intermittent sensor or wire
mode. harness connection.
2) Intermittent contact on PRB.
F7 Shorted key sensed for 32 seconds 1) Membrane shorted
2) Display Board
1) Probe jack or harness to
F8 Shorted meat probe alarm, probe jack.
2) Probe sensing temp.
Above 250 F. "See chart."
F9 Door lock safety circuit on power relay
board sensed. PRB
FF Invalid temp. Reading on PRB. Check sensor and harness,
PRB.
J2 harness, ohm wires end to
F- Communication error between boards, end. Harness ok, replace
display board.
FC Communication error between boards. J2 harness, ok, replace PRB.
DOUBLE OVEN ONLY
I F2 I Second oven error sensed,
1) Check sensor and harness.
2) Replace second oven
board.
16009721 COMPONENT DESCRIPTION 1-4
01999 Maytag Appliances Sales Company