III. Control Functions
（1）Three-in-one combination switch (hereinafter referred to as
combination switch)
①Engine and fuel switch: Ignition circuit is off and the fuel switch is off, the
engine will be unable to run.
②Engine, fuel switch and choke valve switch: Ignition circuit is in working
status, fuel switch is on and the choke valve is in fully opening status, the
engine can run normally.
③Engine, fuel switch and choke valve
switch: Ignition circuit is in working status,
fuel switch is on and choke valve is in closing
status, the engine can run normally.
ATTENTION The engine is hot, it does not need to switch off the
choke switch.
（2）Oil indicator (red)
When the oil in the crankcase drops below
safety line, oil protection system will
automatically shut down the engine, and oil
alarm indicator lights up; the engine can be
restarted up only after the oil is filled to oil level.
Tip: In the case of flame-out of the engine or being unable tobe started up,
turn the combination switch to "RUN" position, and then pull startup handle.
If oil indicator flashes a few seconds, the oil volume is insufficient, fill oil
and restart it.
（3）Overload indicator (red)
When the overload indicator lights up, the generator has detected that the
output of connected electrical equipment has been overloaded, causing
frequency converter to be overheated or AC voltage to rise. At this moment,
AC protector works and stops generating, to protect the generator and
