22
SB250 Recumbent Bike
Trouble Shooting
Problem Cause Solution
Monitor does not display
Adapter not plugged in Plug adapter in
Computer Wires not connected
Ensure the computer wires are con-
nected properly at the upright and
computer
No speed or distance displays on
the monitor
Sensor wire not connected
Ensure the computer wires are con-
nected properly at the upright and
the computer
Sensor wire not working properly Replace sensor wire
Monitor not working properly Replace monitor
No tension
Magnetic wheel not working properly Replace magnetic wheel
Computer wires not connected
properly
Ensure the computer wires are con-
nected properly at the upright and
the computer
Heart rate not displaying
Pulse wire not connected Secure plug wires together
Hand pulse defective Replace hand pulse grip
Monitor not working Replace Monitor
Grinding Noise
Crank bearing defective Replace crank bearings
Idler pulley defective Replace idler pulley
Flywheel defective Replace ywheel
Squealing V-belt slipping Adjust v-belt
E1 Monior cannot read the signal
change (level change or level
change cannot reach target
position) from the gear motor
Monitor has a problem Replace monitor
The connection cables from monitor
to gear motor are damaged or
disconnected. Pins of the connector
are bent or not x well.
Check all computer plugs and wires
are connected rmly.
Gear Motor damage or circuit on the
gear motor is abnormal.
Replace gear motor
Wire cable from gear motor to
magnetic system is too short to
drive the magnetic system or
position is not correct.
Adjust the length of motor wire
to make sure there are enough
space to drive the motor.
E2 The computer
cannot interface with the
IC chip.
EEPROM has problem (EEPROM
is installed incorrect)
Replace monitor
E3
The gear motor cannot read the
signal change from the level one
within 4 seconds after press the
start button.
Replace gear motor
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