Midea Digital Solo Service Manual page 14

COMPONENTS
L.V.Transformer of P.C.B
(Refer to schemetic diagram)
RELAY 2, RELAY 3
OF P.C.B.
(Wire leads removed.)
Note: Relay
Relay 1: Fan motor
Turntable motor
Oven lamp
Relay 2: Microwave
Relay 3: Grill
FAN MOTOR
(Wire leads removed)
TURNTABLE
MOTOR
(Wire leads removed)
NOTE : • A MICROWAVE LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS
SERVICED FOR ANY REASON.
• MAKE SURE THE WIRE LEADS ARE IN THE CORRECT POSITION.
• WHEN REMOVING THE WIRE LEADS FROM THE PARTS, BE SURE TO GRASP THE
CONNECTOR, NOT THE WIRES.
TEST PROCEDURE
Check for P.C.B. connector.
* Disconnect the 3 pin
connector from P.C.B.
1 3 5
Relay 3
Relay 1
Relay 2
Measure the resistance.
(Ohm-meter scale: R x 1)
Measure the resistance.
(Ohm-meter scale: R x 1000)
12
RESULTS
Normal
Abnormal
Cooking Start
Normal: 1 00~500
Ω
Abnormal: ∞ or several Ω
Normal: Approx.100~200K
Abnormal: ∞ or several Ω
OFF
Ω