Thermador SGS Masterpiece Series User manual

This manual contains information that is necessaryfor
servicing the following Thr\ermador gas cooktops:
SGS305TS
SGS365TS
SGSX305TS
SGSX365TS
SGSP305TS
SGSP365TS
SGSXP305TS
SGSXP365TS
This manual is designed to be used by qualified service
personnel only. Due to the complexity and the risk of high-
voltage electrical shock, Thermador does not recommend that
customers servicetheir own units.
This material is intended for the sole use of BSH authorized
persons and may contain confidential and proprietary
information. Any unauthorized review, use, copying,
disclosure, or distribution in any format is prohibited.
SERVICE MANUAL
2018
Thermador
SGS Gas Cooktop
Masterpiece Series

58300000213342 ARA EN A September 2018 2018ThermadorGas CooktopServiceManual
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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
TABLE OFCONTENTS
1Symbols Used in this Manual.....................................................3
2IMPORTANT SAFETY INFORMATION.......................................4
2.1 Safety Before Servicing the Appliance ..................................4
3General..........................................................................................6
3.1 Model number ........................................................................6
3.2 Rating Label ...........................................................................6
3.3 Warranty.................................................................................6
4Burner, Base, and cap configuration........................................ 7
5Service........................................................................................11
5.1 Maintop removal...................................................................11
5.2 Components / function.........................................................12
6Troubleshooting........................................................................14
6.1 QuickFinder..........................................................................16
6.2 Technical Support ................................................................16

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
1 SYMBOLS USED IN THIS MANUAL
WARNING – this symbol alerts you to dangers that may
result in bodily injury or death
CAUTION – this symbol alerts you to actions that may
result in damage to the product or property

NOTICE–this symbolalerts you to important
information and/or service tips.
VIDEO – related service video available for viewing on
QuickFinder
!
!

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
2 IMPORTANT SAFETY INFORMATION
Before starting to servicean appliance, familiarize yourself with all
safety information and precautions included in this manual.
2.1 Safety Before Servicing the Appliance
WARNING
Before disassembly, removal, or installation of any
component…
Turn off electrical power by removing the power cord from
the electrical outlet or putting the circuit breaker in the OFF
position.
Be sure the entire appliance has cooled to a safe
temperature.
Turn off gas supply before beginning service.
!
WARNING
Use of replacementparts…
Use only authorized replacement parts for this appliance. Use of
unauthorized substitutions may cause non-compliance with safety
standards set for home appliances, will void the warranty, and may
create safety hazards resulting in damage, bodily injury, or death.
!
WARNING
Electrical hazards…
Before servicing the appliance, remove electrical power by
either disconnecting the power cord from the wall receptacle
or by putting the circuit breaker in the OFF position.
If tests must be conducted while the appliance is live, always
use a residual-current-operated circuit breaker. The
protective conductor connection must not exceed the
recommended values.
When repairs are complete, perform a function test in
accordance with the appropriate regulations.
Do not, under any circumstances, cut or remove the separate
ground wire or the third (ground) prong from the power cord
plug.
Improper grounding or reverse polarization will cause
malfunction, which can damage the appliance and create an
electrical shock hazard. Make sure the circuit is properly
grounded and polarized in accordance with applicable local
codes and ordinances. Receptacle replacement shall be in
accordance with the National Electric Code.
!
WARNING
Sharp components…
This appliance has sheet metal parts and components which may
have sharp edges. Avoid injury by handling parts with care and using
adequate protective measures, such as wearing gloves.
!

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
WARNING
Clean-up hazards…
Do not allow any cleaning or polishing solutions/compounds,
disinfectants, or bleaches to remain in contact with the stainless steel
surfaces for long periods, or after clean-up. These may contain
chemicals or materials which could release harmful inhalants and
may cause damage to the appliance. After cleaning or polishing,
always rinse the cleaning/polishing materials with clear water and
wipe dry with a clean, soft, non-abrasive cloth.
!
WARNING
Prior to returning appliance to service, confirm that…
All electrical connections are correct and secure
All safety grounds (internal and external) are correctly and
securely connected
All panels and components are properly and securely
reassembled.
!

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
Figure 1Rating label location
3 GENERAL
Constructionfeatures a stainless steel maintop, sealed burners,
infinitely adjustable heat settings, cast iron grates, and electronic
(pilotless) ignition.
Product features:
The 2018 Thermador Gas Cooktops feature:
•Brass venturis
•Simmer function (XLO)
3.1 Model number
The model number structurefor the 2018 gas cooktop appears below.
3.2 Rating Label
The Rating Label reflecting model number and FD number is located
on the underside, as shown in Figure 1.
The first 4 positions of the FD number reflect the year/month the
product was built. FD numbers that begin with 98 were built in 2018;
99 = 2019; etc. An FD of 9809 indicates a manufacture date
September 2018.
3.3 Warranty
The product is warranted to be free from defects in materials and
workmanship for a period of 365 days from date of purchase.
Boschwill have no responsibility or liability for repairs or work
performed by a non-authorized servicer.
Find the complete Statement of Limited Product Warranty in the
product’s Use and Care Manual.

NOTICE
Be prepared to provide the complete Model Number and FD
number printed on the rating label of the unit when contacting
Thermador Customer Support or Technical Support for assistance.

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
4 BURNER, BASE, AND CAP CONFIGURATION
SGS305TS 30” cooktop
Left front burner
oRating (BTU) : 8000
oBurner base / cap: B
Right front burner
oRating (BTU) : 10000
oBurner base / cap: D
Left rear burner
oRating (BTU) : 10000
oBurner base / cap: D
Right rear burner
oRating (BTU) : 8000
oBurner base / cap: B
Center burner
oRating (BTU) : 16000
oBurner base / cap: F
SGS365TS 36” cooktop
Left front burner
oRating (BTU) : 9100
oBurner base / cap: B
Right front burner
oRating (BTU) : 12000
oBurner base / cap: D
Left rear burner
oRating (BTU) : 12000
oBurner base / cap: D
Right rear burner
oRating (BTU) : 9100
oBurner base / cap: B
Center burner
oRating (BTU) : 16000
oBurner base / cap: F

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
SGSX305TS_30”, cooktop with XLO
Left front burner
oRating (BTU) : 8000 (XLO @ min.= 200)
oBurner base / cap: B
Right front burner
oRating (BTU) : 10000
oBurner base / cap: D
Left rear burner
oRating (BTU) : 10000
oBurner base / cap: D
Right rear burner
oRating (BTU) : 8000
oBurner base / cap: B
Center burner
oRating (BTU) : 16000 (XLO @ min.= 580)
oBurner base / cap: F
SGSX365TS_36”, cooktop with XLO
Left front burner
oRating (BTU) : 9100 (XLO 2 min. = 200)
oBurner base / cap: B
Right front burner
oRating (BTU) : 12000
oBurner base / cap: F
Left rear burner
oRating (BTU) : 12000
oBurner base / cap: D
Right rear burner
oRating (BTU) : 9100
oBurner base / cap: B
Center burner
oRating (BTU) : 18000 (XLO @ min.= 580)
oBurner base / cap: F

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
SGSP305TS_30”, Pedestal cooktop
Left front burner
oRating (BTU) : 8000
oBurner base / cap: B
Right front burner
oRating (BTU) : 10000
oBurner base / cap: D
Left rear burner
oRating (BTU) : 10000
oBurner base / cap: D
Right rear burner
oRating (BTU) : 8000
oBurner base / cap: B
Center burner
oRating (BTU) : 16000
oBurner base / cap: F
SGSP365TS_36”, Pedestal cooktop
Left front burner
oRating (BTU) : 9100
oBurner base / cap: B
Right front burner
oRating (BTU) : 12000
oBurner base / cap: D
Left rear burner
oRating (BTU) : 12000
oBurner base / cap: D
Right rear burner
oRating (BTU) : 9100
oBurner base / cap: B
Center burner
oRating (BTU) : 16000
Burner base / cap: F

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
SGSXP305TS_30”, Pedestal cooktop with XLO
Left front burner
oRating (BTU) : 8000 (XLO @ min. = 200)
oBurner base / cap: B
Right front burner
oRating (BTU) : 10000
oBurner base / cap: D
Left rear burner
oRating (BTU) : 10000
oBurner base / cap: D
Right rear burner
oRating (BTU) : 8000
oBurner base / cap: B
Center burner
oRating (BTU) : 16000 (XLO @ min.= 580)
oBurner base / cap: F
SGSXP365TS_36”, Pedestal cooktop with XLO
Left front burner
oRating (BTU) : 9100 (XLO @ min. = 200)
oBurner base / cap: B
Right front burner
oRating (BTU) : 12000
oBurner base / cap: D
Left rear burner
oRating (BTU) : 12000
oBurner base / cap: D
Right rear burner
oRating (BTU) : 9100
oBurner base / cap: B
Center burner
oRating (BTU) : 18000 (XLO @ min.= 580)
oBurner base / cap: F

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
5 SERVICE
5.1 Maintop removal
1. Remove the cooking grates and burner caps. Set them aside.
2. Rotate the knobs to the “OFF” position and remove the knobs
by gently pulling them up and off the valve stem. Set aside.
3. Remove the venturi (Figure 1) from the center of each burner
base.
NOTICE
Venturi removal and installation requires a 27mm socket
Figure 1
4. Lift off the burner bases, carefully clearing the ignitors, and set
aside.
5. Lift off the maintop.
CAUTION
Sheet metal parts often have sharp edges. Avoid injury by
handling these parts with care.
Remove electrical power to the appliance by disconnecting the
120 VAC power cord from the receptacle before servicing this unit.
For those checks requiring the use of electrical power, exercise
extreme care.
Turn off gas supply before beginning service.

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
5.2 Components / function
Figure 2
1) Ignition switch / potentiometer…3 variations / model dependent
•Push-to-ignite…no potentiometer
Used on non-XLO versions
•Push-turn to ignite / potentiometer
Used on XLO w/ pedestal burners (lighted, shown, on valve)
•Non-lighted (similar) used on XLO regular-height burners

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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2) Gas solenoid valves
Used on XLO models
Electrically cycled via Simmer Module when any of the five
simmeringranges (XLO) on the control valve is selected for
the front-left and center burners.
3) Ignition module…2 variations / model dependent
XLO versions use 5 (five) individual ignition modules
Non-XLO use a single, 5-outlet module
4) Simmer module
Used on XLO models
5) Valve seal…2 variations / model dependent
•Umbrella seal
Used on non-XLO
•Stem seal
Used on XLO models

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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6 TROUBLESHOOTING

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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
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Copyright by BSH Home Appliances Corporation 1901 Main St ▪Suite 600 ▪Irvine, CA 92614 800 944-2904
This material is intended for the sole use of BSH authorized persons and may contain confidential and proprietary information. Any unauthorized review, use, copying, disclosure, or distribution in any format is prohibited.
6.1 QuickFinder
For additional service information, please refer to the following
documents on QuickFinder:
Wiring Diagram (Gas Cooktop Wiring Diagram)
Installation Instructions
Use and Care Manual
LP ConversionInstructions
Exploded views, parts lists, and related service and parts notes are
also available on QuickFinder. Visit http://portal.mch.bshg.com/portal.
6.2 Technical Support
For authorized servicers, additional assistanceis available by
contacting the Technical Support Team at [phone].
Technicians are available to assist you Monday – Friday, between the
hours of 5am and 5pm, Pacific Time.

NOTICE
Not all serviceparts are shown on the QuickFinder exploded
views; review the parts lists for additional information.
 NOTICE
Be prepared to provide the complete Model Number and FD
number printed on the data tag of the unit when contacting
Thermador Customer Support or Technical Support for
assistance.