Service Manual for the Thermador Professional Series Rangetop, Model PCG366G
58300000151625_ARA_EN_B
Page 12 of 34
Gas Leaks
Carefully check for gas leaks at each gas component that was
removed, replaced, or otherwise serviced using a gas leak detector or
bubble test.
Figure 8: Removing the Bezel Mounting Screw
Figure 9: Accessing and Setting the Bypass Screw
3.9
Burner, Flame, and Ignition Troubleshooting
3.9.1
Burner and Flame Diagnostics
If a burner clicks (sparks) constantly, or if burner doesn’t light correctly
and/or has inadequate burner/flame characteristics (per
on page
and
then do the following:
Check if the manual shut-off valve is open and the unit is receiving
gas (natural gas or liquid propane).
Check if the burner cap is properly aligned on the burner base.
Check if the burner port is open and not clogged or blocked.
Check if the igniter electrode is free from debris and is sparking.
If it is suspect that air is in the gas supply lines and system, you
can purge the remaining air by operating one of the burners for
several minutes.
Check if a fuse has blown or a circuit breaker has tripped.
For constant sparking, check wiring connections at ignition device
and electrode, and also check grounding
Refer to the
Call Thermador technical support at (800) 444-9091 for assistance if
any burners fail to light, or any of the burners continue to burn yellow.
3.9.2
Ignition Diagnostics
The following flowchart applies in the event a burner fails to ignite.
Before performing the steps in the Ignition Diagnostics Flowchart
(Figure 10), remove electrical power from appliance during
disassembly and during removal and installation procedures. Restore
electrical power when testing the unit if it is re-assembled.