Heat Controller RAD-101A, RAD-81A, RADS-81B manual Is the voltage No.16

Troubleshooting Guide

Possible Trouble 5

• Romote controller does not operate.

Is the voltage of Battery

about over 2.3V?

YES

Is the voltage No.16

of CN-DISP1 on Main P.W.B Ass'y DC 5V?

YES

Is the connection of

CN-DISP1 all right?

YES

• Exchange Receiver Ass'y.

Possible Trouble 6

NO

• Exchange the battery.

NO

• Check the P.W.B pattern.

NO	• Connect connector to
	CN-DISP1 exactly.

• It displays abnormally on Display P.W.B Ass'y.

Is the IC01G all right?

YES

NO

Is the connection of

CN-DISP1 all right?

YES

Does the Q01G,

Q02G, Q03G Q04G operate normally on main P.W.B Ass'y?

YES

•Exchange the display P.W.B Ass'y.

NO

NO

NO

• Exchange IC01G.

• Connect connector to CN-DISP1 exactly.

• Exchange Q01G, Q02G, Q03G, Q04G

Service Manual 33