ページを印刷するNot enough gas: Start gas solenoid valve does
not open
Not enough gas: Gas valve not open, not
enough gas. Air in the gas line
Low fire adjusted too slow
The low fire flame
is weak or
Not enough gas
unstable
Incorrect air flow setting
The burner goes
Insufficient air (flame too rich)
off when it cycles
to high fire
Flame signal weak
The burner is
erratic and does
Internal damage to the burner. Some parts
not respond to
inside the burner may be loose or dirty.
adjustment
The air/gas ratio is out of adjustment
The burner is
unstable or
produces soot or
smoke
Cannot achieve
Air filter is blocked Gas pressure is too low into
full capacity
the main gas pressure regulator Increase
furnace/chamber pressures Poor piping
practices
Anderson Thermal Soluions（Suzhou）Co., Ltd
Anderson Thermal Solutions – VFS82 Burner Operation Manual
12
Check solenoid valve coil for proper
orientation. Replace if necessary
Check wiring to the automatic gas shut-off
valve. Check output from the flame
safeguard. Open gas cock. Purge gas line.
Increase low fire gas setting. Check start-up
settings and adjust to increase low gas flow.
Check start-up settings. Investigate any
change, i.e., blocked filter, loose connections.
Check start-up settings. Check air filter, clean
or replace if required
Check condition of flame monitoring device.
Contact Anderson
Measure all gas pressures and air pressures.
Compare to initial start-up settings, and
adjust them were necessary
Clean or replace the air filter.
Adjust gas pressure.
Re-check setup pressures
Contact Anderson