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

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 11 of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
11
4. Engineering Mode
4.1 ENGINEERING MODE 1: Settings
While in idle mode, press and hold the CLEAR/RESET button then press the LEVEL UP button for 3
seconds to enter the setting mode.
Language Selection: Message window shows 【SET LANGUAGE】one time then shows
『ENGLISH』. Press▲or ▼button change to『NEDERLANDS』or『FRANCAIS』or『DEUTSCH』
or 『ITALIANO』or『ESPANOL』or『POLAND』, press ENTER button to next setting.
(This function is only for software version 1.03 or above.)
Software Version:
Message window shows【VER】, time
window shows software version, press
ENTER to next setting.
Unit Setting:
Message window shows【SET UNIT】one time then shows【METRIC】, press▲or ▼button
change to【ENGLISH】(Imperial), press ENTER button to next setting.
Total Used Distance: Message window shows【ODO】, DISTANCE & TIME window shows
the total used distance.
Total used distance= TIME window value + (DISTANCE window value X 10000)
Press and hold RESET/CLEAR button and press ENTER button for 5 seconds to reset the
total used distance value, press ENTER button to next setting.
Total Used Hours: Message window shows【HRS】, TIME windows shows total hours value.
Press and hold RESET/CLEAR button for 5 seconds to reset the total used hours.
SET Year, Month, Day, Hour, and
Minute.
USB port is
configured.
Press ENTER back to idle mode.
USB port is NOT
configured.
Press ENTER back to idle mode.
Machine Type Selection:
Message window shows【SET TYPE】, time
window show software version, press ENTER
to next setting.

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 12 of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
12
4.2 ENGINEERING MODE 2: Test Mode
Press and hold the CLEAR/RESET button then press GO button for 3 seconds to enter the Engineering
Mode 2 while in idle mode.
Table 4-1, Corresponding Code of the Keypad
KEY
CODE
KEY
CODE
KEY
CODE
KEY
CODE
Target
001
Watt/RPM
011
9
021
Level-16
031
Rolling
002
Calories/Mets
012
0
022
Level-18
032
Valley
003
1
013
ENTER
023
Level-20
033
Fat Burn
004
2
014
Level-2
024
RESET/CLEAR
034
Ramp
005
3
015
Level-4
025
▼
035
Strength
006
4
016
Level-6
026
▲
036
Interval
007
5
017
Level-8
027
QUICK START
037
Random
008
6
018
Level-10
028
Fitness Test
009
7
019
Level-12
029
H.R.C
010
8
020
Level-14
030
Software Version: Message window shows【VER】, time window shows software
version, press ENTER to start Test Mode.
LED ON/OFF Test:
All the led displays will light up then light off. Press ENTER button to next test.
LED Scan Mode:
This is for production test mode, press
ENTER button to next test.
Keys Test:
Message window shows【KEY】, each key has their own code when press it. (Refer to
the Table 4-1.) Press ENTER button to next test.
LED Indicator Scan Test:
This is for production test mode, press
ENTER button to next test.
Heart Rate & RPM Test:
Message window shows【IO】, you can test Heart Rate & RPM function.
Press ENTER button to return to LED ON/OFF Test.
Press and hold the CLEAR/RESET button then press GObutton to exit.

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 13 of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
13
5. MAINTENANCE
5.1 Preventive Maintenance Tips
The Safety of the Elliptical/Upright Bike/ Recumbent Bike can be maintained only if the
Elliptical/Upright Bike/ Recumbent Bike is examined regularly for damage or wear. If maintenance is
required, keep the Elliptical/Upright Bike/ Recumbent Bike out of use until defective parts are repaired
or replaced. The following preventive maintenance tips will keep the Elliptical/Upright Bike/
Recumbent Bike operating at peak performance:
• Locate the Elliptical/Upright Bike/ Recumbent Bike in a cool, dry place.
• Clean the top surface of the pedals regularly.
• Keep the display console free of fingerprints and salt build-up caused by sweat.
• Long fingernails may damage or scratch the surface of the console; use the pad of the finger to
press the selection buttons on the console.
• Use a 100% cotton cloth, lightly moistened with water and a mild liquid cleaning product, to clean
the Elliptical/Upright Bike/ Recumbent Bike. Other fabrics, including paper towels, may scratch the
surface.
• Do NOT use ammonia or acid-based cleaners.
5.2 Preventive Maintenance Schedule
Follow the schedule below to ensure proper operation of the upright bike.
ITEM
Weekly
Monthly
Bi-annually
Annually
Display Console
Clean
Inspect
Console Mounting Bolts
Inspect
Bottle holder
Clean
Inspect
Frame
Clean
Inspect
Plastic Covers
Clean
Inspect
Pedals and Straps
Clean
Inspect

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 14 of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
14
6. Appendix
6.1 Handle assembly SOP
Parts Overview for one handle:
Ref. Part No.
Description
Qty
F300341-000
Handle plastic upper cover
1
F300281-000
Handle plastic lower cover
1
F270271-000
Heart rate plates
2
F300630-000
Handle cap
1
F300648-100
Cap stand
1
F916407-000
Handle button sticker (UP)
1
F340061-000
Handle membrane button
1
Note: It is F916407-001 for handle button sticker (DOWN).

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 15 of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
15
Step 1: Put handle membrane button connector into the handle cap.
Step 2: Tear away sticker and settle membrane button on the handle cap.
Step 3: Stick membrane sticker on the handle membrane button.
Handle Membrane
Button Connector
Handle Cap

Document: Service Manual
Description: Elliptical/Upright Bike/ Recumbent Bike
Page: 16 of 16
Model: E7/B8/R8
Display Type: LED
Release Date: 2017/08/31
16
Step 4: insert and glue (Loctite 410 is recommended) the cap stand into the cap. The cap stand is to
increase the grip onto the handle.
Step 5: Use handle plastic covers to wrap the handle bar and the cap. Apply glue (Loctite 410 is
recommended) between the handle plastic covers and cap. be sure to leave the plate wire out. Put on
screws to fasten the plastic covers.
Step 6: Connect the plate wire to the plate and then install the plate on the handle plastic covers.