Sunny SF-E3912 - Troubleshooting; Common Problems and Solutions

18
TROUBLESHOOTING
NOTE: If you are unable to resolve an issue using the troubleshooting guide above, please
contact Customer Service at support@sunnyhealthfitness.com
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.