Wolf Rangetop Service Manual page 22

Troubleshooting Guide
Problem
Popping noise at burner
assembly during simmer mode
Flame appearance on burner
assembly or assemblies
Tall flame
▪
▪ Yellow flame
Pulsing flames
▪
No knob or lighted knob display
No knob or lighted knob display
No knob or lighted knob display
828990 REV. A
Sealed Burner Rangetop with Wok Service Manual
Possible Cause
Burner assembly damaged or dirty with food
debris
Burner assembly cracked or warped
Supply gas impurities
Port holes in burner assembly not to specification,
damaged, or dirty
Incorrect gas orifices
Gas pressure
Secondary gas regulator within 10 ft of unit
regulator
Unit regulator damaged
All light displays are dim
No display lights
Defective display light board
No light in bezel
No power to the unit
No light in light module
Test/Action
Replace or clean the burner assembly.
Replace the burner assembly.
The problem is especially common with LP gas. If
possible, try a different gas supply.
Replace or clean the burner assembly.
Check the stamp number on the orifices.
Check the gas pressure with a manometer.
The secondary regulator and unit regulator should
be at least 10 ft apart.
Check the gas pressure with a manometer.
Issue with the neutral side of the light circuit.
Check the voltage to the display light board.
Replace the display light board.
1 Check the voltage to the bezel.
2 Check the electrical connection.
3 Replace the bezel.
Check/connect power to the unit.
▪ Check for 120 VAC to the DC rectifier.
Check for 16 VDC from the DC rectifier.
▪
▪ Check the light module for continuity.
22
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