Troubleshooting
Model no. E875
Malfunction item: Bad HTR signal
Circumstance: Bad signal for HTR
Possible causes: 1. Bad HTR wiring
2.Bad HTR board
Troubleshooting: 1.Check wire connections on the display
2. Check HTR wire connections on the drive board
3. Check HTR bridge board for HTR signal
4. Check HTR sensors and grounding
3-4-2
Display
board
HTR board
S
e
n
so
r-
R
S
e
n
so
r-
L
HTR board
HTR board indicators
LED
Name
Description
LED1
POLAR indicator
Light flashing = Polar signal working
LED2
HTR indicator
Light up = hands on the HTR sensors
LED3
HTR indicator
Light flashing = HTR signal working
LED4
Heart rate signal
output indicator
Each light flash = 1 heart beat signal
output
HTR wiring
HTR connectors
Содержание E875
Страница 1: ...E875 Repair manual Electronics...
Страница 2: ...1 1 Product E875 1 1 1...
Страница 3: ...1 2 Display E875 1 2 1...
Страница 4: ...1 3 Component placement E875 Display 1 3 1 Control board Program board...
Страница 5: ...1 3 Component placement E875 Display 1 3 1 Control board Polar heart rate board CSAFE board HTR board...
Страница 8: ...1 5 Wiring diagram E875 1 5 1...
Страница 13: ...1 6 LED indicator E875 Display 1 6 1 POWER1 LED2communication indicator...