CIRCLE FITNESS E7 User manual

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 2of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
2
TABLE OF CONTENTS
PREFACE......................................................................................................................................... 3
1. Information For Components & System ....................................................................................... 4
1.1 System wiring diagram ....................................................................................................................4
1.2 Console PCB .....................................................................................................................................5
2. Error Signal Check and Solutions................................................................................................. 8
3. Other Information...................................................................................................................... 10
4. Engineering Mode ..................................................................................................................... 11
5. MAINTENANCE ......................................................................................................................... 13
5.1 Preventive Maintenance Tips ........................................................................................................13
5.2 Preventive Maintenance Schedule................................................................................................13
6. Appendix................................................................................................................................... 14
6.1 Handle assembly SOP....................................................................................................................14

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 3of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
3
PREFACE
WARNING! Only qualified service technicians should install and service the Elliptical/Upright Bike/
Recumbent Bike.
WARNING! No service should be undertaken until the technician has thoroughly read this Service
Manual.
CIRCLE FITNESS®provides this manual primarily to assist qualified service technicians in the service
of the appliance.
Should the reader have any questions or concerns which have not been satisfactorily addressed,
please call, send an e-mail message, or write to the CIRCLE FITNESS®Technical Support Department
for assistance.
Tel: [phone]#259
Fax: [phone]
Email: [email protected]
CIRCLE FITNESS®
P &F Brother Ind., Corp.
No.12, 6th Road, Industrial Park, 40755 Taichung Taiwan

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 4of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
4
1. Information For Components & System
1.1 System wiring diagram

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 5of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
5
1.2 Console PCB
1.2.1 Generator controller communication wire (J8)
PIN
Definition
PIN
Definition
P1
12V
P5
Reserved
P2
GND
P6
Reserved
P3
RS485+
P7
Reserved
P4
RS485-
1.2.2 Heart Rate receiver (Jk8)
PIN
Definition
PIN
Definition
PIN
Definition
P1
Sensor input
P2
VCC
P3
GND
1.2.3 Hand Pulse (Jk7)
PIN
Definition
PIN
Definition
P1
Left reference electrode
P3
Right signal electrode
P2
Left signal electrode
P4
Right reference electrode
1.2.4 Membrane Key (Keyboard L)
Left (10P)
1(S1)
2(S2)
3(S3)
4(S4)
5(S5)
6(D1)
TARGET
STRENGTH
1
6
WATTS/RPM
7(D2)
ROLLING
INTERVAL
2
7
X
8(D3)
VALLEY
RANDOM
3
8
X
9(D4)
FAT BURN
FITNESS TEST
4
9
METS/CALORIES
10(D5)
RAMP
H.R.C
5
0
ENTER

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 6of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
6
1.2.5 Membrane Key (Keyboard R)
Right (8P)
1(S6)
2(S7)
3(S8)
4(S9)
5(D6)
2
10
RESET/CLEAR
18
6(D7)
4
12
LEVEL DOWN
20
7(D8)
6
14
LEVEL UP
X
8(D9)
8
16
QUICK START
X

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 7of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
7
1.3 Generator Controller
CN1: External battery charging adapter port
PIN
Definition
PIN
Definition
PIN
Definition
P1
EXT 12V
P2
None
P3
GND
J2: Console wire port (CONNECTION)
PIN
Definition
PIN
Definition
P1
12V
P5
Reserved
P2
GND
P6
Reserved
P3
RS485+
P7
Reserved
P4
RS485-
CN3: Battery connection port (BATTERY)
PIN
Definition
PIN
Definition
P1
Positive Pole
P2
Negative Pole
CN5: AC power input port (AC1)
PIN
Definition
PIN
Definition
PIN
Definition
P1
U
P2
None
P3
V
P4
None
P5
W
CN6: Coil connection port (BREAK)
PIN
Definition
PIN
Definition
P1
Output Positive Pole
P2
Output Negative Pole
CN3
CN1
J2
CN6
CN5

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 8of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
8
2. Error Signal Check and Solutions
Item
Error Message
Descriptions
1.
COMMUNICATION FAIL
CAUSE: Communication timeout. This error message
pops up if console and generator lose communication for
over 90 seconds.
SOLUTION:
- Check that the console and generator are connected
properly.
- If the connection is correct, please replace the console or
generator.
2.
DC BUS ERROR
CAUSE: The generator cannot transform AC power to DC
power.
SOLUTION:
- Stop peddling and wait for the power to shut down.
- Peddle to power up the console. If the error message
pops up again, replace the generator.
3.
DCV VOLT OVERLOAD
CAUSE: The voltage of DC generator is too high (over
300V for 3 seconds). User may be peddling too fast
(normal peddling speed should be under 180 RPM).
SOLUTION:
- Stop peddling and wait for the power to shut down.
- Peddle to power up the console. If the error message
pops up again, replace the generator.
4.
DCV VOLT OVERVOLT
CAUSE: The voltage of DC generator is too high (over
300V for 3 seconds). User may be peddling too fast
(normal peddling speed should be under 180 RPM).
SOLUTION:
- Stop peddling and wait for the power to shut down.
- Peddle to power up the console. If the error message
pops up again, replace the generator.

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 9of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
9
Item
Error Message
Descriptions
1.
MV VOLT OVERLOAD
CAUSE: The generator output voltage is overloaded.
SOLUTION:
- Stop peddling and wait for the power to shut down.
- Peddle to power up the console. If the error message
pops up again, replace the generator.
2.
CMP CURR OVERLOAD
CAUSE: The output current of the generator is over 3amps
for 3 seconds.
SOLUTION:
- Stop peddling and wait for the power to shut down.
- Peddle to power up the console. If the error message
pops up again, replace the generator.
3.
CMP CURR OVERCURR
CAUSE: The output current of generator is over 3.5amps
for 1 second.
SOLUTION:
- Stop peddling and wait for the power to shut down.
- Peddle to power up the console. If the error message
pops up again, replace the generator.
4.
SHORT CIRCUIT
CAUSE: The IGBT of generator is short circuit.
SOLUTION:
- Stop peddling and wait for the power to shut down.
- Peddle to power up the console. If the error message
pops up again, replace the generator.
5.
CURRENT STATE NG
CAUSE: The output circuit of the generator is abnormal or
the coil did not connect to the controller.
SOLUTION:
- Check the coil connection.
- If coil connection is correct, replace the generator.

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 10 of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
10
3. Other Information
3.1 Console no power, no any display
Dismount the console.
Disconnect the console wire.
Measure the voltage of console
wire.
Start paddling and do not stop.
Measured voltage is DC
11~13V.
Replace the console.
Yes
Replace the generator
controller.
No