SportsArt Fitness E875 Operating instructions

E875 Repair manual (Electronics)

1-1. Product -E875
1-1-1

1-2. Display -E875
1-2-1

1-3.Component placement - E875 Display
1-3-1
Control
board
Program board

1-3.Component placement - E875 Display
1-3-1
Control
board
Polar heart rate board
CSAFE board
HTR board

1-3.Component placement - E875 Frame
1-3-2
Battery 12V*2
Speed sensor
Drive
board
Electro-
magnet
Alternator
Model #
board

1-4. Block diagram-E875
1-4-1
Display
Board
Drive
Board
Electron
Magnet
Speed Sensor
Charge
Alternator
Stride motor (R)
keypad
C-SAFE Board
HR receiver
HTR board
Stride / Level key
Battery
Stride VR (R)
Stride motor (L)
Stride VR (L)
Fan
Model board

1-5.Wiring diagram -E875
1-5-1

1-5. Wire connection- E875 Display
1-5-2
Control board
Program
board
Wireless Polar board
To fan
To key pads
To USB & CSAFE board
To handrail stride & level
keys
To HTR board
To drive board

1-5. Wire connection-E875 Display
1-5-3
CON3
CON4
7
CON5
CON6
CON1
CON2
CON3
CON1
CON2
USB board
To control board
To program board
Bluetooth key
To control board

1-5. Wire connection -E875 Display
1-5-2
CON3
CON4
7
CON5
CON6
CON1
CON2
CON3
CON1
CON2
USB/CSAFE board
HTR board
Wireless Polar board

1-5. Wire connection -E875 Drive board
1-5-3
To control board
To battery
To incline motor/VR
To outside power
source
To generator; magnet
Speed sensor
To model # board

1-6. LED indicator -E875 Display
1-6-1
POWER1
LED2communication
indicator

1-6.LED indicator -E875 Drive board
1-6-2
F2 generator fuse
2A
LED11 CLK indicator
Speed sensor indicator
F3 battery fuse
1A
F1 charging fuse
3.15A
LED2 Vcc (drive board
power source)
Led lit，5V
LED1 12V (control board)
Led lit,12V

1-6. LED indicator -E875 Drive board
1-6-3
LED3 R-DN
Lit，right stride decrease
LED7 L-UP
Lit，left stride
increase
Led4 incline power control
Led lit，incline power
Led off, incline power off
Led 8 incline motor 22v
power source Led lit,
22V
LED6 L-DN
Lit，left stride decrease
LED5 R-UP
Lit，right stride
increase

1-7.Component specification -E875
Item
Description
Note
Main power
Generator
Resistance control
Electro-magnetic field with current control
Resistance range
LEVEL 1 –LEVEL 40
Speed sensor
Infrared sensor
Display
Dot matrix & LED
Main display
Dot matrix
Programs
Heart rate control
program
CUSTOM HR / CARDIO/WT LOSS
Heart rate
measurement
Wireless heart rate / HTR sensors
Stride
Electronically adjustable / DC motor 22V / VR detected
Adjusting range: 17”- 29” (450mm-730mm)
Heart rate receiver
Wireless Polar T34 / HTR sensors
Language
German, French, Spanish, English (US) & English (International), Japanese
Fan
Fan, ( LOW, MIDDLE, HIGH )
Optional function
USB cell phone charging / software update ; CSAFE port
Reserved IPOD media function, Bluetooth,
Bluetooth work with SA Well + ；USB exercise data storage
Fuse
Drive board generator fuse 2A/Battery fuse 1A/ Outside charging fuse 3.15A
\ 1-7-1

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

No/bad HTR
reception
Bad HTR signal
1.Check to see if hands hold on HTR sensor tight
2.Chedck HTR board indicator
3.Check HTR wiring
1. HTR board
2. HTR sensors
3. HTR wiring
ERR 7
Display
ERR7-INCLINE-R(L)
1. Follow the error code and determine which side
is having problem: R or L?
2. Replace the Stride incline motor
1.stride incline motor
R/L
ERR 8_1
Display showing ERR 8_1
(Power on communication
error)
1. Check the wire connections on control board and
drive board
2. Check control board and drive board programming
3. Replace drive board or control board and test
1. Wires
2. Drive board
3. Control board
ERR 8_2
Display showing ERROR 8 _2
While using the equipment
1.Check the wire connections on control board and
drive board
2.Check control board and drive board programming
3.Replace drive board or control board and test
1. Wires
2. Drive board
3. Control board
No fan
Pressing <FAN> button
and fan is not
functioning
1. Check fan wiring
2. Check fan voltage output on the control
board
3. Replace control board
4. Replace fan
1. Control board
2. Fan
Total distance
display
Kph/mph/total
distance/total
time/software version
display
Press <CHANGE DISPLAY> for 3 seconds to enter
kph/mph setting and total distance, total time and
control board software version display
Lubrication
Lubricate left & right side
of the incline motor for
maintenance
1.Press <ENTER>+<Calories> for 3 seconds to enter
lubrication sequence.
Model no. setting
Keep JP1 and cut the remaining for E875
2-1-2

Troubleshooting
Model No.: E875
Malfunction item: No power - generator
Circumstance: Display not lit up when power on
Possible causes: 1.wiring connections
2.Generator fuse burnt
3.Bad drive board
4.Bad control board
Troubleshooting: 1.Check generator fuse
2.Check all wire connections
3.Pedaling & check drive board LED1,LED2 indicators
Or replace drive board
4.Check program board on the control board
3-1-1
Drive
Board
Display
board
Alternator
發電機保險絲 2A
LED13
LED15
LED1 12V(control
board)
LED2 Vcc
F2 generator fuse
Powerindicator

Troubleshooting
Model E875
Malfunction item: No power –rechargeable battery
Circumstance: Display not lit up when power on
Possible causes: 1.Wiring connections
2. Rechargeable battery wiring
Troubleshooting: 1.Check drive board battery fuse
2. Measure battery voltage and it should be
above 12V/one battery; therefore 24V for 2
3.Check drive board LED1, LED2 indicator
4.Use battery charger to charge it if the
voltage is too low
3-1-2
Drive
Board
Display
board
Battery
Fuse
LED2 VCC
LED1 12V
F2 battery charging fuse
蓄電池 12V *2
F3 battery Fuse
Battery Fuse
Powerindicator