Thermador SMW272YB Troubleshooting guide

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1
SMW
Series
Oven
Training
Program
SMW
SMW
Series
Series
Oven
Oven
Training
Training
Program
Program

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2
SMW Series Oven
Training Program
SMW Series Oven
SMW Series Oven
Training Program
Training Program
➤
➤Installation
Installation
➤
➤Features and Operation
Features and Operation
➤
➤Model Numbers
Model Numbers
➤
➤Warranty
Warranty
➤
➤Component Description and Access
Component Description and Access
➤
➤Error Codes
Error Codes
➤
➤How the Oven Works….Microwave Section
How the Oven Works….Microwave Section
➤
➤How the Oven Works….Warming Drawer Section
How the Oven Works….Warming Drawer Section
➤
➤How the Oven Works….Lower Convection Oven
How the Oven Works….Lower Convection Oven
➤
➤Service Tips
Service Tips

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Installation
Installation
Electrical Power Connection
Electrical Power Connection
•
•Requires four wire supply L1, L2, Neutral and a bare ground Requires four wire supply L1, L2, Neutral and a bare ground
•
•30 amp circuit breaker 30 amp circuit breaker
•
•Unit is dual-rated, 120/208-240 volts Unit is dual-rated, 120/208-240 volts
Cut-out Dimensions
Cut-out Dimensions
•
•Height 55-3/8 inches Height 55-3/8 inches
•
•Width 25-1/2 inches Width 25-1/2 inches
•
•Depth 24 inches Depth 24 inches
•
•Floor to cutout 9-3/4 inches Floor to cutout 9-3/4 inches

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Installation…continued
Installation…continued
•
• Electrical conduit box Electrical conduit box The preferred location The preferred location
would be to install it 2-1/2 inches above the unit, in
would be to install it 2-1/2 inches above the unit, in
the center of the cabinet. However it may be
the center of the cabinet. However it may be
placed approx. 5 inches below cabinet base.
placed approx. 5 inches below cabinet base.
•
• Cabinet base Cabinet base must be capable of supporting the must be capable of supporting the
weight of the unit, approx. 250 pounds.
weight of the unit, approx. 250 pounds.
•
• Frame Frame of oven overlaps the cabinet by 5/8 inch. of oven overlaps the cabinet by 5/8 inch.
•
• Oven Oven should be installed in such a manner that it should be installed in such a manner that it
can be easily removed for service
can be easily removed for service
•
• Internal Internal ventilation system ventilation system

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Features and Operation
Features and Operation
Features and Operation
➤
➤Upper oven
Upper oven
features a 2.1 cubic foot microwave features a 2.1 cubic foot microwave
➤
➤1100 watts of power with sensor cooking & 10 power levels 1100 watts of power with sensor cooking & 10 power levels
➤
➤Language choice for display: English, French & Spanish Language choice for display: English, French & Spanish
➤
➤Weight can be displayed in either Lbs...or Kgs. Weight can be displayed in either Lbs...or Kgs.
➤
➤Child lock-out feature Child lock-out feature
➤
➤Demo mode on/off for retail store display Demo mode on/off for retail store display
➤
➤Auto popcorn feature, can be pre-set according to weight Auto popcorn feature, can be pre-set according to weight
➤
➤Middle oven
Middle oven
is a warming drawer keeps food at desired is a warming drawer keeps food at desired
temperature until ready to serve: Temperature controls are from
temperature until ready to serve: Temperature controls are from
a high of 240F to a low of 140F
a high of 240F to a low of 140F

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Features and Operation
Features and Operation
Features and Operation
➤
➤Lower oven
Lower oven
is a S Series convection oven with 4 modes of is a S Series convection oven with 4 modes of
cooking
cooking
➤
➤Bake, Variable Broil, Convection and Convection Roast Bake, Variable Broil, Convection and Convection Roast
➤
➤Sense-A-Touch glass control panel Sense-A-Touch glass control panel
➤
➤Halogen oven lights Halogen oven lights
➤
➤Large viewing window Large viewing window
➤
➤Two separate timers Two separate timers
➤
➤Timed cooking mode Timed cooking mode
➤
➤Six adjustable rack positions Six adjustable rack positions
➤
➤Oven comes with 3 racks Oven comes with 3 racks
➤
➤Rack supports are porcelain & removable Rack supports are porcelain & removable

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Features
Features
Features
➤
➤Oven & door liner...fine grain porcelain
Oven & door liner...fine grain porcelain
enamel
enamel
➤
➤Two 10W 12VAC Halogen lights per
Two 10W 12VAC Halogen lights per
cavity
cavity
➤
➤Equivalent to a 60W incandescent Equivalent to a 60W incandescent
bulb
bulb

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Features and Operation
Features and Operation
Features and Operation
➤
➤Panel Lock (child lockout)
Panel Lock (child lockout)
➤
➤A 12 or 24 hour clock option
A 12 or 24 hour clock option
➤
➤Centigrade or fahrenheit temperature display
Centigrade or fahrenheit temperature display
➤
➤3 Specialty Modes
3 Specialty Modes
➤
➤Proof
Proof
➤
➤Cycles bake circuits at 100 degrees
Cycles bake circuits at 100 degrees
➤
➤Dehydrate…
Dehydrate…
➤
➤Cycles convection circuits at 140 degrees
Cycles convection circuits at 140 degrees

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Features and Operation
Features and Operation
Features and Operation
➤
➤Sabbath….
Sabbath….
➤
➤only available in bake cycle
only available in bake cycle
➤
➤element indicator light cycles with heat
element indicator light cycles with heat
➤
➤all other keys/functions are dead except off key
all other keys/functions are dead except off key

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Model Numbers
Model Numbers
Model Numbers
➤
➤27” Integrated Electric Oven, Warming Drawer &
27” Integrated Electric Oven, Warming Drawer &
Microwave Oven
Microwave Oven
➤
➤4 Models
4 Models
➤
➤SMW272YB………Black Glass
SMW272YB………Black Glass
➤
➤SMW272YW………White Glass
SMW272YW………White Glass
➤
➤SMW272YS……….Stainless Steel
SMW272YS……….Stainless Steel
➤
➤SMW272YP……….Stainless Steel with Pro
SMW272YP……….Stainless Steel with Pro
Stainless steel handle
Stainless steel handle

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Model Numbers ….
Model Numbers ….Continued
Continued
27” Integrated Electric Oven & Microwave
27” Integrated Electric Oven & Microwave
Oven
Oven
3 Models
3 Models
•
•SM272YB……………..Black Glass SM272YB……………..Black Glass
•
•SM272YW…………….White Glass SM272YW…………….White Glass
•
•SM272YS……………..Stainless Steel SM272YS……………..Stainless Steel
Built-In Microwave Oven
Built-In Microwave Oven
3 Models
3 Models
•
•MBYB………………….Black MBYB………………….Black
•
•MBYW…………………White MBYW…………………White
•
•MBYS………………….Stainless Steel MBYS………………….Stainless Steel

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Model Numbers
Example….SMW272YB
Model Numbers
Model Numbers
Example….SMW272YB
Example….SMW272YB
➤
➤S = S = S-Series convection oven S-Series convection oven
➤
➤M = M = Microwave oven Microwave oven
➤
➤W = W = Warming drawer Warming drawer
➤
➤27 = 27 = 27” Oven 27” Oven
➤
➤2 = 2 = Double oven Double oven
➤
➤Y = Y = 2000 Introduction Year 2000 Introduction Year
➤
➤The Y designates a change in The Y designates a change in form & finish form & finish (appearance) (appearance)
from previous designated year
from previous designated year
➤
➤The serial number is used to denote a change in internal The serial number is used to denote a change in internal
components
components
➤
➤B = B = Black Black

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Warranty
Warranty
Warranty
➤
➤One full year
One full year from date of installation or from date of installation or
occupancy
occupancy
➤
➤Service must be performed
Service must be performed by an by an
authorized service agent
authorized service agent
➤
➤Warranty Claim
Warranty Claim must be submitted within 45 must be submitted within 45
days of completion
days of completion

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➤
➤Microwave section
Microwave section
➤
➤Microwave vent-cover
Microwave vent-cover
➤
➤Touch control door assembly… includes
Touch control door assembly… includes membrane
membrane
switch & DPC
switch & DPC (
(Digital Programmer Control)
Digital Programmer Control)
➤
➤Inverter board
Inverter board
➤
➤Lamp & mag tube
Lamp & mag tube
➤
➤Stirrer motor
Stirrer motor
➤
➤How the microwave circuit works
How the microwave circuit works
➤
➤Troubleshooting
Troubleshooting
Microwave Oven Section
Microwave Oven Section…..
…..
component description & access
component description & access

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Microwave Section…Removal
Microwave Section…
Microwave Section…Removal
Removal
➤
➤To gain access to the
To gain access to the
microwave section
microwave section
➤
➤Remove vent frame from
Remove vent frame from
around the microwave
around the microwave
unit. This frame is a one
unit. This frame is a one
piece construction
piece construction
➤
➤Grasp the frame and pull
Grasp the frame and pull
the ball studs from the
the ball studs from the
spring catches
spring catches
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15

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Microwave Section…Removal
Microwave Section…
Microwave Section…Removal
Removal
➤
➤Remove the 2 screws Remove the 2 screws
which hold the microwave
which hold the microwave
base to the oven housing
base to the oven housing
➤
➤Remove the spring catches, Remove the spring catches,
which are secured with
which are secured with
two screws
two screws
➤
➤Bow out the side of outer Bow out the side of outer
frame slightly to allow the
frame slightly to allow the
section to slide out easily
section to slide out easily
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Microwave Section…Removal
Microwave Section…
Microwave Section…Removal
Removal
➤
➤Before removing
Before removing
section, remove
section, remove
warming drawer to
warming drawer to
avoid scratching
avoid scratching
➤
➤Slide tabs on both
Slide tabs on both
sides of rails and
sides of rails and
drawer will pull out
drawer will pull out
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17

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Microwave Section…Removal
Microwave Section…
Microwave Section…Removal
Removal
➤
➤Slide section part way
Slide section part way
out leaving the right
out leaving the right
rear corner still inside
rear corner still inside
housing
housing
➤
➤While holding front of
While holding front of
unit reach inside and
unit reach inside and
unplug the section
unplug the section
from the receptacle
from the receptacle
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Microwave Section …Removal
Microwave Section …
Microwave Section …Removal
Removal
➤
➤Section can now be
Section can now be
removed completely
removed completely
and set down on a
and set down on a
solid surface
solid surface
➤
➤Note the exhaust duct
Note the exhaust duct
covers on the top of
covers on the top of
the microwave cover
the microwave cover
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Microwave Section…Access Duct Cover
Microwave Section…
Microwave Section…Access Duct Cover
Access Duct Cover
➤
➤To gain access to the
To gain access to the
microwave components
microwave components
the duct exhaust parts
the duct exhaust parts
must first be removed
must first be removed
from the microwave
from the microwave
cover
cover
➤
➤The microwave cover can
The microwave cover can
then be removed
then be removed
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