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5
FAN RELAY
The fan motor runs continuously while in the convection mode unless the door is opened. If the fan
does not operate, check the following:
• Display illuminated on the electronic control.
• 240 Volts available at fan motor when convection relay is closed and door is closed.
• Fan motor coil resistance 55 ohms ± 10%.
• Voltage input to fan relay coil during convection bake with door closed.
• Door/light switch.
F1 - An error has been detected in the control circuit. See Section F1 below.
F3 - An error has occurred in the sensor circuit. See Section F3 below.
Section F1
The control has detected a problem with either the control itself or an external fault associated with
the latch motor switches. Check the individual latch motor switches. With the unit in either the fully
locked or fully unlocked position, only one of the switches should be closed. If both switches are
closed, replace the latch motor assembly, or replace the control.
Section F3
The control has detected an open or shorted sensor circuit, above 3000 ohms or below 500 ohms.
Using the chart below, allow the sensor to cool to room temperature (75°F/24°C) and check the
resistance with an ohmmeter. If the resistance is acceptable, check the wiring and connectors between
the sensor and electronic control.
FAULT CODES
RTD SCALE
Temperature (°F) Resistance (Ohms)
32 1000 ± 4
75 1091 ± 5
212 1375 ± 7
250 1453 ± 9
350 1654 ± 11
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