Masterbuilt MPS 230S - Troubleshooting Guide; Gas Leak and Flame Issues; Low Flow and Flame Issues

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TROUBLESHOOTING GUIDE
Symptom Cause Possible Solution
Gas leaking from cracked, cut or burned
hose
Damaged hose Turn o󰀨 gas at LP cylinder.
Replace hose.
Contact Masterbuilt Customer Service.
Gas leaking from LP cylinder Failure due to rust or mishandled equipment Replace LP cylinder.
Gas leaking from gas cylinder valve Failure of valve due to rust, mechanical failure
or mishandled equipment
Turn o󰀨 gas cylinder valve and return cylinder to
gas provider/supplier.
Gas leaking between LP cylinder and
regulator connection
Improper installation, connection not tight
enough, damaged threads or bad rubber seal
Turn o󰀨 gas cylinder valve, then re-attach regulator
to cylinder.
Turn o󰀨 gas cylinder valve and return cylinder to
gas provider/supplier.
Visually inspect rubber seal for damage.
Fire under control panel Fire in tube of burner due to burner blockage Turn o󰀨 both burner control knob and gas cylinder
valve. Once the re is out and burner has cooled,
remove and inspect burner for spiders, nests, rust
or other debris.
Grease re or excessive/continuous ame Grease build up on or around burner area Turn o󰀨 both burner control knob and gas cylinder
valve. Allow ames to extinguish and time for unit to
cool down. Clean grease/food particles from/around
burner or burner area and surrounding surfaces.
Low ame output* Out of fuel Rell or replace with full LP cylinder.
Flames blow out* Low on LP gas Rell LP cylinder.
Flare-up Excessive grease buildup Clean burner and inside unit.
Excessive fat on meat Trim fat o󰀨 of meat.
Cooking temperature too high Adjust or lower temperature accordingly.
Persistent grease re Grease trapped by food buildup around burner
system
Turn burner control knob and gas cylinder valve o󰀨.
Allow re to extinguish and the unit to cool down.
Once cool, remove and clean parts.
Flashback (re in burner tube) Burner and/or burner tube has blockage Turn burner control knob and gas cylinder valve o󰀨.
Clean burner and/or burner tube.
Slower than expected cooking times* Valve not properly aligned to burner Check to see if valve is centered in burner tube.
WARNING
In the event of a gas leak that cannot be stopped, or if a
re occurs due to a gas leak, contact the re department.
TROUBLESHOOTING SOLUTIONS: “CAUSES” LOW OR NO FLOW/VAPOR LOCK/EXCESS FLOW
Symptom Cause Possible Solution
Burner doesn’t light after pressing ignitor
button
Low/no gas ow 1. Turn burner control knob to “O󰀨” 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.
Vapor lock at coupling nut to
LP cylinder
Low ame output Excess ow valve tripped
Vapor lock at coupling nut/LP
cylinder connection
Flames blow out Excess ow valve tripped
Slower than expected cooking times Vapor lock
* Also see Troubleshooting solutions: “Causes” Low or No Flow/Vapor lock/Excess ow below.