ApplianceField Lab
Field evidence

The Spark Module Was Missing from the Diagram, Not Necessarily from the Cooktop

After correcting the burner count to four, the field discussion proposed U-67204-7, also referenced as PA020047, for model VGRT4824QSS. Installation was not reported.

Viking vgrt4824qss Spark Module Not Shown On Diagram

Why the burner count changed the answer

The original question mistakenly described more burners. Once corrected to four, the configuration matched a single common spark module rather than multiple modules.

A similar symptom can have a different cause on another cooktop. Viking models can use different modules, igniter styles and production-date revisions.

What was identified and what was not

Technicians proposed U-67204-7 and PA020047 as a cross-reference for the four-output module. It also noted that two igniter styles exist, making photographs and the exact model important. No installed part or successful ignition test was reported.

Use the identification as a parts check

The part number is useful evidence for this configuration, not permission to order it for every Viking cooktop. Burner count, connector layout, module label, igniter construction and model serial break must agree.

Gas and electrical safety: do not energize an open ignition system or test gas flow with panels removed. Spark modules produce high voltage and must be matched and installed by qualified service.
Unexpected turn

A repair that did not follow the obvious path

An unusual turn supported by the case record Sub-Zero Not Cooling One Month After Sealed-System Repair A Sub-Zero stopped cooling a month after compressor and evaporator work. A clean evaporator shifted the diagnosis toward an oil-line restriction; the final repair …
Fresh field notes

Recently published cases

Whirlpool F03 E01 with Drain Running Forever A Whirlpool ran its drain forever, flashed the lock lamp and showed F03/E01 after a level-sensor connection changed. The signal path came first. Maytag MVW7230HW0 Quick Wash Stuck at 17 Minutes A Maytag MVW7230HW0 kept operating while Quick Wash remained at 17 minutes. The case separates a stalled countdown from a simple no-spin fault. Maytag F1E2 After Drain Worked and Programs Stopped A Maytag drained correctly, then programs stopped after pause and F1E2 appeared. The case separates standing-water door lock from motor control.