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Diagnostics
© 2008 Viking Preferred Service
50
Door Latch motor assembly
In order to test the upper and lower latch assembly, you will need to pull the oven from the wall.
Remove the top access panel. On the left top section of the oven is the Main control board.
FIG A shows the wiring connection PU2 for the Door Lock motor assembly (Upper cavity on the
double ovens). The connection also contains the two wires (Brown and Violet) that go to the Door
Interlock switch. PL 2 is for the Lower latch assembly.
Fig B
shows the latch in the
OPEN position. Both the SW1
and SW2 switches are N.O. With
the door in the
unlocked
position,
the contacts in SW 1 are open.
The contacts in SW2 are closed
by the position of the door cam.
FIG C
shows the latch in the
CLOSED (locked) position. The
contacts in SW1 are closed and
SW2 are open.
To check the switches, locate the
5-wire Molex plug from PU 2
(upper) or PL 2 (lower). With the
door unlocked, check for
continuity between the Green and
Blue wire. If no continuity is
present, remove the 4 Philips
head screws securing the access
cover to the upper plenum base.
Remove the two ¼ hex screws to
remove the latch and test.
FIG D
shows the underside of the upper
latch.
SW1
SW1
SW2
SW2
Door Unlocked
Door locked
Blue and Green – Closed
Orange and Green - Open
Orange and Green – Closed
Blue and Green - Open
SW1
SW2
PU2
PU2 / PL2
PU2 / PL2
Содержание Designer DEDO530T
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