No Ignition; Burner Noise Or Whistle; Flame Appearance; Tall Flame - Wolf Ranges Technical & Service Manual

Troubleshooting Guide
PROBLEM
D. NO IGNITION AT SURFACE
BURNERS
E. SURFACE BURNER NOISE
OR WHISTLE
F. FLAME APPEARANCE ON
SURFACE BURNER

1. Tall flame

2. Yellow flame

3. Flames pulsing
G. CONSTANT SPARKING AT
CHARBROILER
POSSIBLE CAUSE
Defective micro-switch at burner valve
Defective or loose wiring
Defective spark module or short to unit
chassis
No Power
No gas to unit
Air shutter or venturi out of adjustment
Check for proper orifice sizes
Gas pressure
Burner outer ring and burner base not posi-
tioned properly
Air shutter or venturi needs adjustment
By-products of combustion are affecting pri-
mary or secondary air
Incorrect gas orifices
Gas pressure
Orifice holes in burner rings not to specifi-
cation
Sparker wire wired in wrong position at
spark module
Ground wire disconnected at outlet or on
power cord to junction box
Reverse polarity at outlet, power supply or
power cord
Defective micro switch at burner valve
Cable ties on wire too tight
Defective spark module
Arcing at spark module to bracket or unit
chassis
RANGES & & R R ANGETOPS
Replace micro switch
Replace/repair wiring
Replace spark module
Check outlet and circuit breaker
Check gas pressure with a manometer
Adjust air shutter or venturi
Check orifice stamp number
Check for type gas and check gas pressure with
a manometer
Reposition rings
Adjust air shutter or venturi
Make sure flue boxes are secure and seal is
intact around IR broiler venturi tube
Check stamp number on orifices
Check gas pressure using a manometer
Replace burner rings
Check routing from wiring diagram for model
May have to call an electrician
May have to call an electrician. may have to
properly wire power cord to unit
Replace micro switch
Cut tie and replace so wire is loose
Replace spark module
Check for break in insulation or missing
5-4
TEST / ACTION