4 Tilt the panel (front) in the direction of the arrow, and remove it.
5 Remove the sensor holder.
Take care not to pinch the lead wires.
6 Unhook the claw of the sensor holder (one location, indicated by
and remove the sensor circuit board (JT-30S3R).
Reassemble the unit in the reverse order of disassembly.
After reassembly, always make a test run to be sure that the unit oper-
─ 25 ─
Sensor circuit board (JT-30S3R)