Uneven Heat - Wolf Ranges Technical & Service Manual

RANGES & & R R ANGETOPS
PROBLEM
P. NO IGNITION AT GRIDDLE
Q. UNEVEN HEAT AT GRIDDLE
R. CANNOT REGULATE TEM-
PERATURE AT GRIDDLE
S. CONSTANT SPARKING AT
FRENCH TOP
T. INTERMITTENT SPARKING
AT FRENCH TOP
POSSIBLE CAUSE
Defective sparker
Defective solenoid or valve
Loose wire connection
Defective spark module
Defective thermostat
Short at spark module bracket or unit chas-
sis
No gas
Unit not level
Kinked or pinched capillary tube on the
thermostat
Thermostat bulb not installed properly
Defective thermostat
Electrode wired in wrong position at module
Ground wire disconnected at outlet in wall
or unit junction box
Reverse polarity at outlet, power supply or
power cord
Cracked or defective electrode
Defective micro switch at burner valve
Arc at cut or splice in electrode wire
Cable ties on wire too tight
Defective spark module
Arcing at spark module to bracket or unit
chassis
Cracked or defective electrode
Electrode wired in wrong position at module
Arc at cut or splice in electrode wire
Electrode wires touching each other or
metal
Bad connection at molex connector on
spark module
Broken micro switch at burner valve
Defective spark module
Troubleshooting Guide
Replace sparker
Replace solenoid or valve
Check all wires per wiring diagram
Replace spark module
Replace thermostat
Visually inspect the spark module or bracket for
damage
Check gas pressure with a manometer
Level unit from front to rear and side to side
Straighten capillary tube or replace thermostat.
Install thermostat bulb properly
Replace thermostat
Check routing from wiring diagram for model
May have to call an electrician.
May have to call an electrician. May have to
properly wire the power cord to the unit.
Replace electrode
Replace micro switch
Replace electrode wire
Cut tie and replace so wire is loose
Replace spark module
Visually inspect the spark module or bracket for
damage.
Replace electrode
Check routing from wiring diagram for model
Replace electrode wire
Separate cover with sleeving
Determine by continuity check. Repair/replace
molex connector.
Replace micro switch
Replace spark module
5-7
TEST / ACTION