Panasonic HDC-SD1 Operating Instructions Manual page 116

Others
Problem
"PUSH THE RESET
SWITCH." is displayed.
116
VQT1D38
≥The unit has automatically detected an error. Press the RESET
button with the projecting part of the grip belt A. This will restart the
unit.
1 A
≥If you do not press the RESET button, the power to this unit is
turned off automatically about 1 minute later.
≥Even after you press the RESET button, the indication may still
appear repeatedly. If so, this unit needs repair. Detach the power
connected, and consult the dealer who you purchased this unit
from. Do not attempt to repair the unit by yourself.
Check points