Sharp R-216LS Microwave Oven User Manual


 
R216LS
8 – 7
7) Follow the troubleshooting guide given below for repair.
8) Disconnect the power supply cord and then remove outer case.
9) Open the door and block it open.
10)Discharge high voltage capacitor.
11)Reconnect all leads removed from components during testing.
12)Re-install the outer case (cabinet).
13)Reconnect the power supply cord after the outer case is installed.
14)Run the oven and check all functions.
STEPS OCCURRENCE CAUSE OR CORRECTION
1
The rated AC voltage is not present between Pin No. 1 of the 3-pin con-
nector (A) and the normal open terminal of the relay RY2
Check supply voltage and oven power cord.
2
The rated AC voltage is present at primary side of low voltage trans-
former.
Low voltage transformer or secondary circuit defective.
Check and replace control unit.