Kenmore 148.1615421 Use & Care Manual page 27

Problem
Low heat with the
knob in "HI"
position
Low heat, natural
gas
Low heat,
LP gas
Sudden drop in
gas flow or low
flame
Possible Cause
1. Low heat is found in natural
gas models.
2. Ports are blocked.
3. LP tank has run out.
Gas pressure is significantly
affected by gas line and
length of gas line from house
gas line.
The propane regulator
assembly incorporates an
excess flow device designed
to supply the grill with
sufficient gas flow. Rapid
changes in pressure can
trigger the excess flow device,
providing a low flame and low
temperature.
1. Out of gas.
2. Excess flow valve tripped.
3. Vapor lock at coupling
nut/LP cylinder
connection.
Corrective Action
1. This model is set for 7 in. natural gas
usage. Please check your natural gas
supply system to have correct gas
pressure.
Regulator is not needed for NG
model.
Check the orifice if you installed NG
nozzles.
2. Clear ports of any obstructions.
3. Refill the LP tank.
Check your gas line and make
corrections by following the chart below.
From House to Grill
Distance
Up to 25 ft.
26 -50 ft.
51 -100 ft.
Please follow these instructions:
1. Make sure all burners are "OFF".
2. Open the tank valve and wait 5
minutes.
3. Light the burner one at a time
following the lighting instructions
listed on the door liner
1. Check for gas in LP cylinder.
2. Turn off knobs, wait 30 seconds and
light grill. If flames are still low, turn
off knobs and LP cylinder valve.
Disconnect regulator. Reconnect
regulator and leak test. Turn on LP
cylinder valve, wait 30 seconds and
then light grill.
3. Turn off knobs and LP cylinder valve.
Disconnect coupling nut from
cylinder. Reconnect and retry.
27
Tubing Size
3/8 in. diameter
1/2 in. diameter
2/3 in. of run 3/4 in.
1/3 in. of run 1/2 in.