Masterbuilt MPS 20B Manuel page 13

WARNING
Emergency
Gas leaking from cracked, cut or
burned hose
Gas leaking from LP cylinder
Gas leaking from gas cylinder valve Failure of valve due to rust, mechanical
Gas leaking between LP cylinder
and regulator connection
Fire under control panel
Grease fire or excessive/
continuous flame
Symptom
Low flame output*
Flames blow out*
Flare-up
Persistent grease fire
Flashback (fire in burner tube)
Slower than expected cooking
times*
* Also seeTroubleshooting Solutions: "Causes" Low or No Flow/Vapor Lock/Excess Flow below.
TROUBLESHOOTING SOLUTIONS: "CAUSES" LOW OR NO FLOW/VAPOR LOCK/
Symptom
Burner doesn't light after pressing
ignitor button
Low flame output
Flames blow out
Slower than expected cooking times
In the event of a gas leak that cannot be stopped, or if a
fire occurs due to a gas leak, contact the fire department.
Cause
Damaged hose
Failure due to rust or mishandled equipment
failure or mishandled equipment
Improper installation, connection not tight
enough, damaged threads or bad rubber seal
Fire in tube of burner due to burner blockage
Grease build up on or around burner area
TROUBLESHOOTING GUIDE
Cause
Out of fuel
Low on LP gas
Excessive grease buildup
Excessive fat on meat
Cooking temperature too high
Grease trapped by food buildup around
burner system
Burner and/or burner tube has blockage
Valve not properly aligned to burner
EXCESS FLOW
Cause
Low/no gas flow
Vapor lock at coupling nut
to LP cylinder
Excess flow valve tripped
Vapor lock at coupling nut/
LP cylinder connection
Excess flow valve tripped
Vapor lock
Turn off gas at LP cylinder.
Replace hose.
Contact Masterbuilt at 1.800.489.1581.
Replace LP cylinder.
Turn off gas cylinder valve and return
cylinder to gas provider/supplier.
Turn off gas cylinder valve, then re-attach
regulator to cylinder.
Turn off gas cylinder valve and return
cylinder to gas provider/supplier.
Visually inspect rubber seal for damage.
Turn off both burner control knob and gas
cylinder valve. Once the fire is out and
burner has cooled, remove and inspect
burner for spiders, nests, rust or other debris.
Turn off both burner control knob and gas
cylinder valve. Allow flames to extinguish
and time for unit to cool down. Clean grease/
food particles from/around burner or burner
area and surrounding surfaces.
Possible Solution
Refill or replace with full LP cylinder.
Refill LP cylinder.
Clean burner and inside unit.
Trim fat off of meat.
Adjust or lower temperature accordingly.
Turn burner control knob and gas cylinder valve off.
Allow fire to extinguish and the unit to cool down.
Once cool, remove and clean parts.
Turn burner control knob and gas cylinder valve off.
Clean burner and/or burner tube.
Check to see if valve is centered in burner tube.
Possible Solution
1. Turn burner control knob to "Off" position.
2. Turn gas cylinder valve knob to OFF.
3. Disconnect regulator from cylinder to relieve vapor lock.
4. Reconnect regulator to cylinder by hand turning until tight.
5. Slightly open the gas cylinder valve slowly and then open
further by turning 1 full turn.
6. You are now ready to light the smoker.
7. Turn the burner control knob to high and light with ignitor.
Possible Solution
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