Atag MC4111L - Page 32

MC4111L / MAG 690
Technische documentatie
Step Run and display Remarks
10
Buttons checking
• Right switch board checking (+)
NO ⇒ If connections to power card are OK, then Right
switch board out of order.
Continue the test
11
Buttons checking
• Right switch board checking (ENTER)
NO ⇒ If connections to power card are OK, then Right
switch board out of order.
Continue the test
12
Checking the Microwaves function
• The magnetron, The cooling fan, the lamp, the
turntable motor are on.
I absorbed = 4,6A
NO ⇒ If components, fuse, door switch, thermostat,
transformer, diode, capac itor and wiring OK then Power
card out of order.
When door is opened, only lamp stays on.
Continue the test
13
Turntable checking
• The Turntable is ON (Stays on even when opening
the door)
Continue the test
14
Checking the cooling fan
• When the cooling fan could be checked, the colon of
the time is bilking.
• Only cooling fan is on. it stays on when door is
opened
Continue the test
15
Checking the display
All the LCD are on.
During this step, the closing of the damper could be
checked.
The cooling fan is ON even when door is open.
Continue the test
16
Checking the Clock
Random time is displayed. Check that time is
incrementing.
If the RTC (Real Time Clock) is not OK : “Err2” is
displayed.
Continue the test
17
Checking the Microwaves function
• The magnetron, The cooling fan, the lamp, the
turntable motor are on.
I absorbed = 4,6A
NO ⇒ If components, fuse, door switch, thermostat,
transformer, diode, capacitor and wiring OK then Power
card out of order.
When door is opened, only lamp stays on.
Continue the test
18
5 s mini after the beginning of the
set 16
Exit of the test
Once the defective element(s) are replaced,
repeat the program of aid to diagnostic to validate the repair