Sunny Health & Fitness SF-E3903 User manual

TWO IN ONE MAGNETIC
ELLIPTICAL UPRIGHT BIKE
SF-E3903
USER MANUAL
IMPORTANT! Please retain owner’s manual for maintenance and adjustment
instructions. Your satisfaction is very important to us, PLEASE DO NOT RETURN UNTIL
YOU HAVE CONTACTED US: [email protected] or 1- 877 - 90SUNNY
(877-907-8669).

1
IMPORTANT SAFETY INFORMATION
安全使用须知
We thank you for choosing our product. To ensure your safety and health, please use this
equipment correctly. It is important to read this entire manual before assembling and using
the equipment. Safe and effective use can only be achieved if the equipment is assembled,
maintained, and used properly. It is your responsibility to ensure that all users of the
equipment are informed of all warnings and precautions.
1. Before starting any exercise program, you should consult your physician to determine if
you have any medical or physical conditions that could put your health and safety at risk
or prevent you from using the equipment properly. Your physician’s advice is essential if
you are taking medication that affects your heart rate, blood pressure, or cholesterol
level.
2. Be aware of your body’s signals. Incorrect or excessive exercise can damage your
health. Stop exercising if you experience any of the following symptoms: pain, tightness
in your chest, irregular heartbeat, shortness of breath, lightheadedness, dizziness, or
feelings of nausea. If you do experience any of these conditions, you should consult
your physician before continuing with your exercise program.
3. Keep children and pets away from the equipment. The equipment is designed for adult
use only.
4. Use the equipment on a solid, flat level surface with a protective cover for your floor or
carpet. To ensure safety, the equipment should have at least 2 feet (60 CM) of free
space all around it.
5. Ensure that all nuts and bolts are securely tightened before using the equipment. The
safety of the equipment can only be maintained if it is regularly examined for damage
and/or wear and tear.
6. Always use the equipment as indicated. If you find any defective components while
assembling or checking the equipment, or if you hear any unusual noises coming from
the equipment during exercise, discontinue use of the equipment immediately and do
not use until the problem has been rectified.
7. Wear suitable clothing while using the equipment. Avoid wearing loose clothing that may
become entangled in the equipment.
8. Do not place fingers or objects into the moving parts of the equipment.
9. The maximum weight capacity of this unit is 240 pounds (110 KG).
10.The equipment is not suitable for therapeutic use.
11.To avoid bodily injury and/or damage to the product or property, proper lifting and
moving are required.
12.Your product is intended for use in cool and dry conditions. You should avoid storage in
extreme cold, hot or damp areas as this may lead to corrosion and other related
problems.
13.This equipment is designed for indoor and home use only; it is not intended for
commercial use.

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EXPLODED DIAGRAM 1
产品分解图及零件目录表

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EXPLODED DIAGRAM 2

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PARTS LIST
No.
Description
Spec.
Qty.
No.
Description
Spec.
Qty.
1
Rear Stabilizer
1
28L
Left Swing Rod
1
2
Rear End Cap
2
28R
Right Swing Rod
1
3
Square Neck Bolt
M10*57
4
29
Hex Bolt
M8*16
2
4
Front Stabilizer
1
30
Spring Washer
D8
5
5
Front End Cap
2
31
Washer
Φ8.5*Φ32*2
2
6
Curve Washer
Φ10*Φ20*2
4
32
Shaft Sleeve
Φ32
4
7
Cap Nut
M10
4
33
Hex Bolt
M8*35
2
8L
Left Crank Bolt
Φ16*89
1
34
Curve Washer
Φ8.5*Φ20*2
11
8R
Right Crank Bolt
Φ16*89
1
35
Cap Nut
M8
2
9
Corrugated Washer
Φ16*Φ26*0.3
2
36
Sleeve
2
10
Shaft Sleeve
Φ28
4
37L
Left Handlebar
1
11
Spring Washer
Φ13
2
37R
Right Handlebar
1
12L
Left Nylon Nut
1/2"*20
1
38
Handlebar End Cap
Φ28
2
12R
Right Nylon Nut
1/2"*20
1
39
Handlebar Foam
2
13
Sphere Cap
S18
2
40
Bolt
M8*62
2
14
Hole Plug
2
41
Bolt
M8*20
5
15L
Left Connecting
Rod
1
42
Handlebar Post
1
15R
Right Connecting
Rod
1
43
Sleeve
Φ19*Φ32*75
2
16
Adjustment Knob
M8
1
44
Corrugated Washer
Φ19*Φ26*0.3
2
17L/
R
Left/Right Pedal
2
45
Computer
1
18
Hex Bolt
M10*45
6
46
Cross Pan Head
Screw
M5*10
4
19
Washer
Φ10.5*Φ20*2
4
47
Handle Pulse
2
20
Nylon Nut
M10
6
47a
Handle Pulse Wire
1
21
Connecting Plate
2
48
Washer
Φ6*Φ12*1
2
22
Washer
Φ10.5*Φ26*2
4
49
Screw
ST4.2*20
2
23
Nylon Nut
M8
4
50
Small Handlebar
1
24
Sphere Cap
S13
6
51
Handlebar Foam
2
25
Sleeve
2
52
End Cap
2
26
Shaft Sleeve
Φ32
4
53
Trunk Wire
1
27
Hex Bolt
M8*65
2
54
Tension Control Knob
1

5
No.
Description
Spec.
Qty.
No.
Description
Spec.
Qty.
54a
Tension Control
Wire
1
90
Belt
1
55
Screw
M5*40
1
91
Spring Washer
D6
2
56
Curve Washer
D5
1
92
Snap Ring
D12
2
57
Square End Cap
2
93
Magnetic Board Axis
1
58
Crank
1
94
Magnetic Board
1
59
Main Frame
1
95
Magnetic
4
60
Tension Control
Down Wire
1
96
Magnetic Support
1
61
Pin Knob
M16
1
97
Tension Spring
1
62
Square End Cap
2
98
Screw
ST3*10
5
63
Nut
M8
3
99
Nut
M6
3
64
Washer
Φ8.5*Φ19*1.
5
3
100
Bolt
M6*60
1
65
Washer
Φ8.5*Φ19*1.
5
3
101
Washer
Φ10.5*Φ20*2
1
66
Seat
1
102
Idler Sleeve
1
67
Sleeve
1
103
Idler Wheel
1
68
Seat Slider
1
104
Bolt
M10*45
1
69
Seat Post
1
105
Bolt
M6*30
1
70
Sleeve
1
106L
Left Cover
1
71
Sleeve
1
106R
Right Cover
1
76
Bearing Support
2
107
Screw
ST4.2*20
6
77
Bearing
6001RS
2
108
Screw
ST4.2*16
5
78
Bearing Board
2
109
Sensor
1
79
Flywheel Axis
1
110
Hole Cap
2
80
Flywheel
1
111
Nut
M10
1
81
Nut
2
112
Bolt
M6*15
4
82
Washer
1
113
Washer
Φ6.5*Φ16*1.5
4
83
Nut
1
114
Bolt
M6*9
6
84
Ball Frame
2
115
Pedal Plate
2
85
Ball Bowl
2
A
Allen Wrench
S6
1
86
Nut
1
B
Allen Wrench
S8
1
87
Washer
1
C
Spanner Wrench
S13-14-15
1
88
Belt Disk
1
D
Solid Wrench
S17-19
2
89
Magnetic
1

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HARDWARE PACKAGE
Ordering Replacement Parts (U.S. and Canadian Customers only)
Please provide the following information in order for us to accurately identify the part(s)
needed.
The model number (found on cover of manual)
The product name (found on cover of manual)
The part number found on the “EXPLODED DIAGRAM” and “PARTS LIST” (found near
the front of the manual)
Please contact us at [e-mail] or 1- 877 - 90SUNNY
(877-907-8669)

7
ASSEMBLY INSTRUCTIONS
We value your experience using Sunny Health and Fitness products. For assistance with
parts or troubleshooting, please contact us at [e-mail] or
1-877-90SUNNY (877-907-8669).
产品装配方式
STEP 1:
Attach the Front & Rear Stabilizer
(No. 4 & No. 1) to the Main Frame
(No. 59) using 4Square Neck
Bolts (No. 3), 4 Curve Washers
(No. 6) and 4 Cap Nuts (No. 7).
Tighten and secure with Solid
Wrench (No. D).

8
We value your experience using Sunny Health and Fitness products. For assistance with
parts or troubleshooting, please contact us at [e-mail] or
1-877-90SUNNY (877-907-8669).
STEP 2:
Remove 1 Screw (No. 55) and 1Curve
Washer (No. 56) from the Tension
Control Knob (No. 54) using Spanner
Wrench (No. C).
Insert Tension Control Wire (No. 54a)
into Handlebar Post (No. 42) and pull it
out from the bottom.
Attach the Tension Control Knob (No.
54)to Handlebar Post (No. 42)using 1
Screw (No. 55) and 1 Curve Washer (No.
56) that was removed. Tighten and secure
with Spanner Wrench (No. C).
Note: Please make sure the Tension
Control (No. 54) is at the lowest
resistance level (level 1, all the way to the
left) before you connect the Tension
Control Wire (No. 54a).
Connect the Trunk Wire (No. 53) with
Sensor (No. 109)and connect Tension
Control Wire (No. 54a)with Tension
Control Down Wire (No. 60). Then, insert
Tension Control Wire (No. 54a) into the
slot on metal bracket of Tension Control
Down Wire (No. 60). Make sure the metal
fitting on Tension Control Wire (No. 54a)
is secured into the metal bracket.
Attach Handlebar Post (No. 42)to the
Main Frame (No. 59) using 3 Bolts (No.
41),2 Bolts (No. 40),3 Spring Washers
(No. 30),2 Nylon Nut (No. 23) and 7
Curve Washers (No. 34). Tighten and
secure with Allen Wrench (No. A) and
Spanner Wrench (No. C)

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We value your experience using Sunny Health and Fitness products. For assistance with
parts or troubleshooting, please contact us at [e-mail] or
1-877-90SUNNY (877-907-8669).
STEP 3:
Attach 2 Sleeves (No. 43) and 2
Corrugated Washers (No. 44) onto
Handlebar Post (No. 42).
Attach Left Swing Rod (No. 28L) and
Right Swing Rod (No. 28R) to Handlebar
Post (No. 42)with 2 Hex bolts (No. 29), 2
Spring Washers (No. 30) and 2Washers
(No. 31). Tighten and secure with
Spanner Wrench (No. C), then attach 2
Sphere Caps (No. 24).
Lock Left Connecting Rod (No. 15L) to
the Cranks (No. 58)with 1 Left Crank
Bolt (No. 8L), 1 Corrugated Washers
(No. 9), 1 Spring Washers (No. 11)and 1
Left Nylon Nut (No. 12L). Tighten and
secure with Allen Wrench (No. B) and
Solid Wrench (No. D). Then, cover with 2
Sphere Caps (No. 24) and 1 Sphere
Caps (No. 13). (See Fig. B)
Lock Right Connecting Rod (No. 15R) to
the Cranks (No. 58)of with 1 Right Crank
Bolt (No. 8R), 1 Corrugated Washers
(No. 9), 1 Spring Washers (No. 11)and 1
Right Nylon Nut (No. 12R). Tighten and
secure with Allen Wrench (No. B) and
Solid Wrench (No. D). Then, cover with 2
Sphere Caps (No. 24) and 1 Sphere
Caps (No. 13).(See Fig. A)
NOTE: Make sure to turn Left Crank Bolt
(No. 8L) counter-clockwise,Right Crank
Bolt (No. 8R)clockwise, Left Nylon Nut
(No. 12L) clockwise, and Right Nylon Nut
(No. 12R) counter-clockwise. Failure to
follow procedures may result in permanent
damage to your elliptical bike.

10
We value your experience using Sunny Health and Fitness products. For assistance with
parts or troubleshooting, please contact us at [e-mail] or
1-877-90SUNNY (877-907-8669).
STEP 4:
Attach Left & Right Pedals (No.
17L/R) and Pedal Plate（115）to
Left Connecting Rod (No. 15L)
and Right Connecting Rod (No.
15R) with 4 Hex Bolts (No. 18), 4
Washers (No. 19) and 4 Nylon
Nuts (No. 20). Tighten and secure
with Solid Wrench (No. D).

11
We value your experience using Sunny Health and Fitness products. For assistance with
parts or troubleshooting, please contact us at [email protected] or
1-877-90SUNNY (877-907-8669).
STEP 5:
Attach Small Handlebar (No. 50)to
Handlebar Post (No. 42)with 2
Bolts (No. 41) and 2 Curve
Washers (No. 34). Tighten and
secure with Allen Wrench (No. A).
Remove the preassembled 4
Cross Pan Head Screws (No. 46)
from Computer (No. 45) with
Spanner Wrench (No. C).
Attach Computer (No. 45) to
Handlebar Post (No. 42)with 4
Cross Pan Head Screws (No. 46)
that were removed. Tighten and
secure with Spanner Wrench (No.
C).
On the back of Computer (No. 45),
plug the Trunk Wire (No. 53) into
the “SPEED INPUT”jack and plug
the Handle Pulse Wire (No. 47a)
into the “PULSE INPUT” jack.

12
We value your experience using Sunny Health and Fitness products. For assistance with
parts or troubleshooting, please contact us at [e-mail] or
1-877-90SUNNY (877-907-8669).
STEP 6:
Attach Left Handlebar (No. 37L)
and Right Handlebar (No. 37R)
into Left Swing Rod (No. 28L) and
Right Swing Rod (No. 28R) with 2
Hex Bolts (No. 33), 2 Curve
Washers (No. 34) and 2 Cap Nuts
(No. 35).Tighten and secure with
Spanner Wrench (No. C).
STEP 7:
Attach Seat Slide (No. 68) onto
Seat Post (No. 69), adjust to
desire position. Tighten and
secure with 1 Washer (No. 65)
and 1 Adjustment Knob (No.
16).

13
We value your experience using Sunny Health and Fitness products. For assistance with
parts or troubleshooting, please contact us at [e-mail] or
1-877-90SUNNY (877-907-8669).
STEP 8:
Attach the Seat Post (No. 69)to
Main Frame (No. 59).
Loosen and pull out Pin Knob
(No. 61), then insert Seat Post
(No. 69) and adjust to desired
height, re-tighten with Pin Knob
(No. 61).
The assembly is complete!

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ADJUSTMENTS & USAGE GUIDE
HOW TO MOVE THE ELLIPTICAL
The Front End Caps (No. 5) on the Front Stabilizer
(No. 4) is movable. Hold the Left /Right Handlebars
(No. 37L/R) and pull forward to lift the rear of the
elliptical off the floor. Now you can move the elliptical
bike.
ADJUSTING THE RESISTANCE
Adjust the resistance of the elliptical using the Tension
Control Knob (No. 54). Increase the level of resistance
by turning the tension knob to the RIGHT (clockwise),
decrease the level of resistance by turning the tension
knob to the LEFT (counter-clockwise).
ADJUSTING THE BALANCE
In order to achieve a smooth and comfortable ride, you
must ensure that the elliptical is stable. If you notice that
the elliptical is unbalanced during use, you should
adjust the Rear End Caps (No. 2) located beneath the
Rear Stabilizer (No. 1). To do so, turn it clockwise.
ADJUSTING THE SEAT
Loosen and pull out the Pin Knob (No. 61)to adjust the
height of the seat. You may also slide the seat forward
or backwards by loosening the Adjustment Knob (No.
16) on the Seat Slider (No. 68). While adjusting, you
will see a limit on the seat post and seat slider. Do NOT
lift the post passed these marks. Always check the Pin
Knob (No. 61) and Adjustment Knob (No. 16)to
ensure that they are fully secured when you finish
making an adjustment.

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BATTERY INSTALLATION & REPLACEMENT
BATTERY INSTALLATION
1. Take out 2 AAA batteries from meter box.
2. Press the buckle of battery cover on the Computer (No. 45), then remove battery cover.
3. Install 2 AAA batteries into the battery case on the back of the Computer (No. 45). Pay
attention to the battery + and –poles before installing.
4. Press the buckle of battery cover, then put the battery cover back to the back of the
Computer (No. 45).
The installation is complete!
BATTERY REPLACEMENT
1. Press the buckle of battery cover on the back of the Computer (No. 45), then remove
battery cover.
2. Remove the 2 old AAA batteries in the battery case and install 2 new AAA batteries into
the battery case on the back of the Computer (No. 45). Pay attention to the battery + and
–poles before installing.
3. Press the buckle of battery cover, then put the battery cover back to the back of the
Computer (No. 45).
The replacement is complete!
BATTERY DISPOSAL
Dispose of the batteries according to the laws and regulations of your local region. Some
batteries may be recycled. When disposing or recycling, do not mix battery types.

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EXERCISE METER
FUNCTION BUTTONS
MODE: Press to display different function selections on LCD.
Press and hold for 2 seconds to reset all values except
odometer to zero.
SET: To set up the target value for TIME, DISTANCE, and CAL.
Press and hold for 2 seconds to speed up the increment.
RESET: Press to reset function value during setting.
Press and hold for 2 seconds to reset all value except
odometer to zero.
NOTE: Replacing the batteries will reset all values to zero
automatically.
FUNCTIONS & OPERATIONS
1. AUTO ON/OFF:
Once you begin to exercise, workout value will display on the LCD automatically. After
approximately 4 minutes of inactivity, the computer will turn off.
The value on odometer does not reset to 0 every time the computer turns off and will
continue to accumulate when you resume to exercise.
2. AUTO SCAN:
After the computer is powered on, press Mode and the LCD will display all functions
TIME-SPEED-DISTANCE-CALORIES-ODOMETER-PULSE. Each value will be shown
for 6 seconds.
3. SPEED:
Displays the current training speed from 0.0 to 99.9 MPH (miles per hour)
4. DISTANCE:
Accumulates total distance from 0.00 up to 999M (miles). Press SET & MODE button to
set your target distance and it will automatically count down from target value once you
start exercise. Each increment is 0.1 M (miles).
5. TIME:
Accumulates total time from 00:00 up to 99:59. Press SET & MODE button to set your
target time with increment of 1 minutes and it will automatically count down from target
value once you start exercise.

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6. CALORIES:
Accumulates calories burned during training from 0.0 to 9999 calories. Press SET &
MODE button to set your target calorie and it will automatically count down from target
value once you start exercise. Each increment is 1 Cal.
NOTE: This data was designed to be the guide for exercise use only and should
not be used for medical purpose.
7. ODOMETER:
Displays the total accumulated distance from 0.0 to 9999. User can press MODE key to
display the odometer value.
8. PULSE:
The computer will display user’s heart rate in BPM (beats per minute) during training.
9. RESET:
Press and hold for 2 seconds to reset all value except odometer to zero.
NOTE:
1. If the computer displays abnormally, please re-install the battery and try again.
2. Battery Spec: 1.5V UM-4 orAAA (2PCS).
3. The batteries must be removed from the appliance before it is scrapped and that they
are disposed of safely.

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TROUBLESHOOTING
PROBLEM
SOLUTION
There is no display on the computer.
1. Remove the computer and verify that the
wire from the computer is properly
connected to the wire that comes from the
handlebar post.
2. Check if the batteries are correctly positioned
and battery springs are in proper contact with
batteries.
3. The batteries in the computer may be
unresponsive. Change to new batteries.
The elliptical bike wobbles when in use
Turn the end cap on the rear stabilizer as needed
to level the elliptical bike.
The elliptical bike makes squeaking noise
when in use.
The bolts may have become loose on the
elliptical bike. Please inspect all of the bolts and
tighten any loosened bolts.
Version : 1.1

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