US COOKING EQUIPMENT USSP-18-1, Operating Instructions Manual

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Troubleshooting
Table 3
Problems Possible causes Problem solving
Not lighting
1.Insufficient gas pressure in pipe
1.Contact the local gas
supply dept.
2.Nozzle occlusion 2.Dredge nozzle
Ignite the pilot
light but not
the main fire
1.Insufficient gas pressure in pipe
1.Contact the local gas
supply dept.
2.The main fire nozzle occlusion 2.Dredge nozzle
3.Gas control valves have problems
3.Change gas control
valves
4.The pilot light and the main fire’s
distance is too far 4.Adjust the distance of
them
5.Flame is too low
5.Adjust the height of
the pilot light
Close gas and
heard a sound
of fire
1.Insufficient gas pressure in pipe
1.Contact the local gas
supply dept.
2.Not match nozzle aperture with gas
resources
2.Adjust nozzle diameter
3.Flow of connection pipe is not
enough 3.Increase pipe’s allowable
flow
4.Damper opening degree is too
large
4.Adjust damper
Yellow flame
and black
smoke
1.Use bottom gas 1.Change gas
2.Not match nozzle aperture with gas
resources
2.Adjust nozzle diameter
3.Not enough air to ignite
3.Increase damper
opening degree
4.In the peak of using gas, sources of
gas float heavy
4. Turn down valves
flow. Turn it up after the
peak
The problems mentioned above are only for reference. If any fault occurs, please stop
using, and contact technicians to check and repair. Safety first, turn off the power and gas
supply before maintenance.