SportsArt Fitness T631 Operating instructions

T631 Repair Manual (Electronics)

Table of Contents
1-1-1. Product Picture-T631
1-2-1. Display-T631
1-3-1. Component Placement-T631 Display
1-3-2. Component Placement-T631 Drive Board Area
1-4-1. Block Diagram-T631
1-5-1. Connections-T631 Display Board
1-5-2. Connections-T631 Bridge Board
1-5-3. Connections-T631 Bridge Board
1-6-1. Indicator LEDs-T631 Display Board
1-6-2. Indicator LEDs-T631 Drive Board
1-7-1. Display Specifications-T631
2-1-1. Electronics Troubleshooting Chart-T631
3-1-1. Troubleshooting-Safety Key Malfunction-T631
3-2-1. Troubleshooting-Unit Will Not Start Operating-T631
3-3-1. Troubleshooting-Key Malfunction-T631
3-3-2. Troubleshooting-Key Malfunction-T631
3-4-1. Troubleshooting-Telemetry Heart Rate Malfunction-T631
3-5-1. Troubleshooting-Contact (HTR) Heart Rate Malfunction-T631
3-6-1. Troubleshooting-The Fuse Breaks at Start-T631
3-6-2. Troubleshooting-The Fuse Breaks at Motor Start-T631
3-6-3. Troubleshooting-The Fuse Breaks during Use-T631
3-7-1. Troubleshooting-ERROR_1_1_T631
3-8-1. Troubleshooting-ERROR_1_2_T631
3-9-1. Troubleshooting-ERR0R_1_3_T631
3-10-1. Troubleshooting-ERROR_2_1_, ERROR_2_2_T631

Table of Contents (Cont.)
3-11-1. Troubleshooting-ERROR_2_3_T631
3-12-1. Troubleshooting-ERROR_3_1_T631
3-13-1. Troubleshooting-ERROR_8_1_T631
3-14-1. Troubleshooting-ERROR_8_2_T631
3-15-1. Troubleshooting-SERVICE NEEDED-APPLY LUBE-T631
3-16-1. Other Information-Unit Settings and Information-T631
3-17-1. Other Information-Error Messages-T631
4-1-1. Inspecting and Testing-AC Servo Motor Electrical Open Test-T631
4-2-1. Inspecting and Testing-Incline Zero Switch Test-T631
4-3-1. Inspecting and Testing-Incline Motor Voltage Test-T631
4-4-1. Inspecting and Testing-Motor Thermal Sensor Test-T631
4-5-1. Inspecting and Testing-SAC Motor Encoder Indicator Test-T631

1-1. Product Picture-T631
1-1-1

1-2. Display-T631
1-2-1

1-3. Component Placement-T631 Display
1-3-1

1-3. Component Placement-T631 Display
1-3-2
USB/CSAFE board IPOD board
HTR board Bridge board

1-3. Component Placement –T631 Drive Board Area
1-3-3
驅動器組
AC 升降馬達組
濾波器
SAC 伺服馬達

1-4. Block Diagram-T631
1-4-1
Display
board
Drive
board
Motor
Encoder
Temperature sensor
Incline motor Zero switch
Inductor
(220v)
Filter
Polar board
Bridge
board
HTR board
Safety key board
Keypad
Polar board Cardio board
IPOD board
iPod keys iPod earphone
jack
SW
FUSE
AC1
AC2
To
iPod
Sensor Sensor

1-5. Connections-T631 Display Board
1-5-1
接至驅動器組
To bridge board (keys)
To telemetry HR receiver
To iPod board
To bridge board (safety key)
To bridge board (HTR brd)
To bridge board (fan)
To USB/CSAFE board

1-5. Connections-T631 Bridge Board
1-5-2
To safety key board
To HTR board
To display board

1-5. Connections-T631 Drive Board
1-5-3
To encoder
To motor thermal sensor
To filter
To display board (signal)
To motor
To incline zero switch
To incline motor
To display board (power)

1-6. Indicator LEDs-T631 Display Board
1-6-1
Power indicator
Lit indicates display has
power.

1-6. Indicator LEDs-T631 Drive Board
1-6-2
Incline up (orange) Incline down (green)
Condition indicator
Normal: flashes
continuously
Encoder indicator
F1 fuse 15A

1-7. Display Specifications-T631
Specification Details Notes
Exterior power 110V / 220V
Motor SAC servo motor (with internal thermal sensor)
4.0 HP
Optic sensor Magnetic encoder
Speed range
KPH : 0.2 - 20.0(KPH)
MPH : 0.1 –12.0(MPH)
JAPAN：0.2-16.0(KPH)
Incline range
Power: AC MOTOR （110V or 220V）
Incline 0 % -15 %
0-point calibration, time controlled
Every 1% = 2sec
Illustration LED＋14-segment LEDs＋7-segment LEDs＋dot matrix
Programs
MANUAL, RANDOM, HILL, INTV, FIT TEST, GLUTE
Heart rate control
program
CARDIO/ WT LOSS, ZONE TRAINER
Heart rate HTR/telemetry HR
1-7-1

2-1. Electronics Troubleshooting Chart-T631
Malfunction Circumstance Inspection and Testing Possible Part Notes
Safety key
malfunction Put safety key in place; there is no reaction. 1. Inspect display bridge board and safety key connections.
2. Replace safety key.
Safety key
board
No start up Turn on power; display
shows no reaction. 1. Inspect main fuse. 2. Inspect drive board fuse.
3. Inspect all cable connections.
4. Inspect display LED and program IC.
1. Main fuse
2. Drive board
3. Cable
4. Display
No incline
operation Press the incline key; incline does not operate up or
down.
1. Inspect incline zero switch.
2. Inspect drive board cable connections.
3. Replace drive board.
4. Incline motor malfunction
1. Drive board
2. Zero switch
Telemetry heart
rate Telemetry heart rate malfunction 1. Inspect heart rate transmitter and battery condition. Replace batteries if they are old.
2. Inspect the heart rate receiver cable
connections.
3. Test or replace heart rate receiver.
4. Inspect environment for sources of
interference, including speakers and lights.
1. Heart rate
transmitter
2. Heart rate
receiver
Contact heart
rate Contact heart rate malfunction 1. Inspect HTR cable to the receiver board. 2. Inspect HTR board indicators.
3. Replace the HTR board.
1.HTR board
Key (display）Key does not operate or
operates continuously. 1. Replace display key switches or soft keys 1. Display keys
2. Soft keys
Key（soft keys）
Key does not operate or
operates continuously. 1. Inspect bridge board soft key connection. 2. Replace the soft key. 1.Soft keys
2-1-1

ERR0R_1_1_ Servo motor encoder
malfunction 1. If encoder cable connection or encoder is worn, display directly shows ERROR 1_1.
2. Replace the motor Encoder.
1.Motor
encoder
ERR0R_1_2_ Servo motor thermal
sensor excessive heat;
motor operates at half
speed.
1. Inspect the motor for excessive heat.
2. If the motor is not hot, inspect the thermal sensor
cable connections.
3. Inspect treadmill walk belt tightness. Adjust or
replace walk belt.
1.Walk belt
ERROR_1_3_ Motor does not rotate 1. Motor does not rotate; display shows
ERROR_1_3_.
2. Motor has an electrical open. Inspect the motor
(red－white－black) wires for a break.
3. Replace the motor.
1.Motor
ERROR_2_1_ IGBT over current 4. Re-start unit as a test.
5. If issue reoccurs repeatedly, replace SAC drive
board.
1.SAC drive
board
ERR0R_2_2_ IGBT over temperature 1. Re-start unit as a test.
2. If issue reoccurs repeatedly, replace SAC drive
board.
1. SAC drive
board
ERROR_2_3_ Drive board circuit
abnormality 1. Please replace the drive board. 1.SAC drive board
ERROR_3_1_ Incline motor calibration
point error 1. Inspect cable connections. 2. After turning on unit, inspect whether incline
motor is hot. If so, the drive board is possibly
bad.
1. SAC drive
board
2. Incline zero
switch
ERROR_3_1_ Incline motor calibration
point error 1. After turning on unit, inspect whether incline calibrates to 0% position. If not, drive board is
possibly bad.
2. Inspect whether incline zero-point switch
is normal.
3.
2-1-2

Power off Power OFF 1. Re-start unit as a test.
2. If issue reoccurs repeatedly, replace SAC drive
board.
1.SAC drive
board
ERR0R_4_2_ Low voltage error 1. Power supply voltage is too low.
2. Inspect power supply voltage. Have power supply
issue addressed immediately.
3.Re-start unit. Operate. Inspect for safety.
ERROR_4_3_ High voltage error 1. Power supply voltage is too high.
2. Re-start unit. If message still appears, power
supply voltage is too high.
3. Wait for voltage to drop to protect the treadmill.
ERROR_8_1_ Communications error at
start 1. Cable is not connected. 2. SAC drive board malfunction 1.SAC drive board
ERROR_8_2_
Communications error
after start 1. Inspect for sources of interference in the environment.
2. Inspect power supply ground.
3. Replace SAC drive board.
1. SAC drive
board
Main fuse blew Turn on unit; fuse blows. 1. Inspect for electrically “shorted” components.
2. Inspect cable connections for an electrical short.
3. Replace drive board/incline/filter.
1.SAC drive
board
Main fuse blew Press speed key; motor
fuse blows. 1. Inspect motor for abnormality. 2. Replace drive board. 1.SAC drive board
Main fuse blew In use, main fuse
suddenly blew. 1. Inspect power supply. Is voltage too low? Normal: 110V or 220V +-10%.
2. Inspect walk belt tightness.
3. Inspect walk belt and walk deck for wear.
4. Lubricate the walk belt and walk deck.
5. Replace the SAC drive board as a test.
1.Walk belt
2.SAC drive
board
2-1-3

SERVICE NEEDED -
APPLY LUBE Display shows: ”SERVICE
NEEDED -
APPLY LUBE ”
Every 4000 KM, this message occurs as a
prompt to lubricate the walk belt and deck.
Follow instructions in the owner manual to
lubricate the walk belt and deck.
Show total distance 1. Press <CHANGE> key for three
seconds to set unit and view total
distance, total time, and version
numbers of display and drive board
firmware.
HTR malfunction FOR ACCURATE
HR,HOLD
SENSORS FIRMLY
WHILE WALKING
1. Firmly hold HTR contacts while
exercising.
2. If you are holding HTR contacts firmly,
inspect HTR contact cable
connections.
2-1-4

Troubleshooting
Model: T631
Issue: Safety key malfunction
Circumstance of malfunction: Put the safety key in place.
The display does not operate. Display shows “safety key”.
Possible cause: Safety key board malfunction
Troubleshooting: 1. Inspect the safety key magnet.
2. Inspect the bridge board cable connections.
3. Test or replace the safety key board.
3-1-1
Display
board
Bridge
board
Safety key
board
Safety key & safety key board
Bridge board
Safety key connection