2-1. Electronics troubleshooting -
E875
Faulty item
Description
Inspect and test procedures
Suggesting replacement
parts
No power
Display is not lit up when
turn on the power
1.Check all wire connections
2.Check drive board generator fuse
3.Check drive board LED 1,LED2
4.Replace drive board
5.Replace control board
1.
Drive board generator
fuse
2.
Drive board
3.
Control board
No power
Display shut off right away
when stop pedaling
1.Check battery fuse
2.Check battery voltage
3.Pedal or plug in to recharge
4.Reaplce battery if the voltage too low to charge
1.Rechargeable battery
No Stride/min
display
No stride/min display
while pedaling the
elliptical
1.
Check all wire connections
2.
Check speed sensor & Led11
3.
speed sensor & optical disk distance < 5mm
4.
Clean the speed sensor
5.
Replace the Speed sensor or drive board
1.
speed sensor
2.
Drive board
No resistance
1.No resistance while
pedaling
1.Check to see if there is Stride/min signal on display
while pedaling the product
2.Check the electro-magnet status
3.Check or replace the drive board to see
1.speed sensor
2.Drive board
No/bad
telemetry heart
rate reception
Wearing strap, however
no/bad heart rate signal
Check the Polar board wiring or replace it
Check interference sources, such as light or speaker
Polar board
2. polar transmission
Key not
function
properly
Key is not responding or
stuck
1.Check the location of the problem keys
2. If it is other key area, check or replace control board.
3. Replace key switches
Soft key pad
Control board or control
board key board switch
2-1-1
Summary of Contents for E875
Page 1: ...E875 Repair manual Electronics...
Page 2: ...1 1 Product E875 1 1 1...
Page 3: ...1 2 Display E875 1 2 1...
Page 4: ...1 3 Component placement E875 Display 1 3 1 Control board Program board...
Page 8: ...1 5 Wiring diagram E875 1 5 1...
Page 13: ...1 6 LED indicator E875 Display 1 6 1 POWER1 LED2communication indicator...
