Yongnuo YN560 - Overheat Protection

In S1/S2
modes
,
if
the
power saving
mode
is enabled,
the
flash
will automatically shut
down after 30 minutes of inactivity; if the power saving mode is disabled, the flash
will
automatically shut down after being inactive for 60 minutes.
Flash mode Power saving mode [ON] Power saving mode [OFF]
M After 3 minutes of inactivity the flash
light will enter sleep mode and after 15
minutes will automatically shut down
No sleep mode; the flash light
will automatically shut down
30 minutes inactivity
S1/S2 After 3 minutes of inactivity the flash
light will enter sleep mode and after 30
minutes will automatically shut down
No sleep mode; the flash light
will automatically shut down
60 minutes inactivity
7. Overheat protection
If the flash light is used too frequently, its overheating protection
function will be
triggered, the red and green lights of the charging indicator will blink
alternatively, and
the flash light will be locked. In such case, please wait for about three minutes to cancel
the protection
before continuing the use. Please try to use the 1/4 output or lower when
rapid shooting is needed to prevent the effect on the shooting.