S: Antenna Sensor Test; T: Microwave Sensor Test - Sharp R-1900J Service Manual

R1900J

[19] S: ANTENNA SENSOR TEST

There is no test procedure for the antenna sensor.
When the error history display shows EE15, EE25 or EE35, if the antenna motors, control unit and wiring are normal, the antenna sensor may be
defective.

[20] T: MICROWAVE SENSOR TEST

There is no test procedure for the microwave sensor.
When the error history display shows EE18, EE28 or EE38, if the magnetrons, control unit and wiring are normal, the microwave sensor may be
defective.
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