18
TROUBLESHOOTING
NOTE: If you are unable to resolve an issue using the troubleshooting guide above, please
contact Customer Service at [email protected]
PROBLEM
POSSIBLE CAUSE
CHECK
SOLUTION
E1
The motor doesn’t
work.
Check that the motor
wires are plugged in or
check to see if the
motor is stuck.
Plug in the cable
again or change
the motor.
There is something
wrong
with
the
cables.
Check if the cables are
damaged. This can
cause a circuit short.
Change the cables
or plug in again.
The computer cannot
supply normal voltage
to the motor.
Test
whether
the
voltage of the motor is
normal when pressing
“up” and “down”.
Change
the
computer.
E2
EEPROM has a bad
connection.
Check if the EEPROM
and
IC
have
the
correct connection.
Remove
the
IC
and plug in again.
The data of EEPROM
is damaged or the IC
is defective.
Check if the software
of EEPROM is correct.
Rewrite
the
software
to
EEPROM again or
change the IC.
Summary of Contents for SF-E3912
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