Troubleshooting guide – Garland GAS PIZZA OVENS User Manual
Page 13

Part # 1844063 (08/06)
Page 13
Problem
Causes
Solutions
Hot Spots in Deck
Flame diverters not installed properly Push all the way to the back of oven
Flame diverters warped or damaged
May need replacing
Bottoms cook before top
Deposit on deck
Clean deck
Low production oven idling
Turn temperature up after loading pizza.
Make sure to turn the temperature down
after bake is compete
By-pass flame too high
Adjust by-pass flame
Improper damper position
Adjust dampers
Bottoms become light during
periods of heavy production
Improper damper position
Close dampers
Placement of pizza
Change placement
By-pass flame low
Increase by-pass flame
Color overall dark
High temperature
Lower temperature
Pizza left in too long
Reduce bake time
By-pass flame high
Reduce by-pass flame
Thermostat
Check actual temperature; call for
service
Color overall light
Short bake time
Bake longer
Lower temperature
Increase temperature
Dough
Check dough for freshness
Pre-heat time short
Allow for adequate pre-heating
Top color light
Damper closed
Open damper
Oven idles during slow periods
Increase temperature to bake, reduce
again when bake is finished
Burner flame yellow/soft/lazy
Not enough air mixing
Open (adjust) air shutter
Low gas pressure
Adjust pressure
Flame lifts off burner ports
Too much air mixed with gas
Close (adjust) air shutter
Flashes back in burner
Gas pressure too high
Adjust pressure
Pops excessively when turned off
Wrong orifice in unit
Replace with proper orifice
Burner flame too large
Unit over gassed or wrong orifice
Check gas pressure and orifice size
Burner flame shuts off when oven
reaches set temperature
By-pass set too low
Adjust by-pass
TROUBLESHOOTING GUIDE