xsto ZW4 Series User manual

xstoclimbers.com
POWERED STAIR CLIMBER
CT070
OPERATION MANUAL

EC DECLARATION OF CONFORMITY FOR
MACHINERY
The company XSTO CO.,LTD. Hereby declares that the powered stair
climber merchandises conform to the current regulations of the
European Union, EC Guidelines 2006/42/EC. This declaration becomes
void if the climbers have been altered without the consent of XSTO
CO.,LTD.
Description of the machine: Powered Stair Climber Model:
ZW4/7series: XSTO CO.,LTD.

CATALOG
1 Symbols and safety instructions............................................................... 1
2 Description.........................................................................................................3
2.1 The features.............................................................................................3
2.2 Technical data......................................................................................... 7
2.3 Application fields.................................................................................... 7
2.4 Technical parameters............................................................................7
2.5 Dimensions............................................................................................ 13
2.6 Standard Supply Accessories............................................................ 16
2.7 Optional Accessories........................................................................... 16
3 Initial Operation............................................................................................ 17
3.1 Foldable Toe Plate................................................................................18
3.2 Adjustable handrail..............................................................................18
3.3 Battery Pack...........................................................................................19
3.4 Turning on the Stair Climber and misoperation prevention
system............................................................................................................20
3.5 Start Climbing Position....................................................................... 20
3.6 Check the Brake....................................................................................21
3.7 Two-Speed Climbing Mode................................................................22
3.8 UP/Down Mode Switch.......................................................................23
3.9 Angle control......................................................................................... 23
3.10 Check Battery Capacity.....................................................................24
4 Operation......................................................................................................... 26
4.1 Picking up Load.................................................................................... 26
4.2 Operating on Flat Ground..................................................................27
4.3 Operating on a Slope.......................................................................... 28
4.4 Climbing upstairs................................................................................. 29
4.5 Climbing downstairs............................................................................32
4.6 Pausing machine on stairs.................................................................35
4.7 Parking....................................................................................................36
4.8 Loading to vehicle................................................................................37
4.9 Unloading from vehicle...................................................................... 38

4.10 Transport..............................................................................................38
4.11 Cargo loading method and carrier curve.................................... 39
5.Maintenance................................................................................................... 43
5.1 Battery pack...........................................................................................43
5.2 Replace of the fuse.............................................................................. 48
5.3 Check the brake pad and the climbing wheel.............................. 49
5.4 Folding maintenance（suit for GFC&EFC）.................................. 50
5.5 Recycling.................................................................................................50
6 Malfunction and troubleshooting...........................................................51
6.1 Some problems and Solutions..........................................................51
6.2Count the steps of climbing............................................................... 52
6.3 diagnostic trouble codes....................................................................52
7 Warranty and Responsibility.....................................................................55
7.1 Warranty.................................................................................................55
7.2 Responsibility........................................................................................ 57
8 Accessories and method of use................................................................58
8.1 Quick Charger....................................................................................... 58
8.2 Auxiliary handrails............................................................................... 58
8.3 Extra Large Toe Plate.......................................................................... 59
8.4 Water and oil bucket tool...................................................................60
8.5 The Ground Support System.............................................................61
8.6 Cylinder device......................................................................................62
8.7 Extension device...................................................................................63
8.8 Gravity center adjusting device........................................................64
8.9 Frame Extender.................................................................................... 65
8.10 Widened guardrail.............................................................................65
8.11 Telescopic folding widened guardrail.......................................... 67
8.12 Extension device (stainless steel).................................................. 68
8.13 Aluminum Alloy tool for widening guardrail.............................. 69
9 Assembly Instruction for unfinished machine...................................71
9.1 ZW7170GC/ZW7200GC/ZW7170EC.................................................. 71
9.2 ZW4170DC/ZW4200DC........................................................................73

1
1 Symbols and safety instructions
Before initial operation, read the user manual and take note of the
warning and safety instructions.
Before initial operation, check the electronic functions, the safety
brakes and the position of the climbing wheels
Before initial operation, store the stair climber at least one hour in
a nonfreezing environment
Take note of the technical data as the lifting capacity cannot be
exceeded
Stair climber operator should be trained. The person should be
physically and experienced to handle it.
When stair climber the machine is going up and down, other
personnel shall not stand under the machine .
Wear non-slip footwear and always operate with both hands.
Practice operating without a load and at a low speed to start with.
For transportation of cargo, not people. Ensure loads are secured
with attached Safety strap.
Never put your hand under the toe plate or touch rotating or
moving parts.
Do not use it in rain, wet condition, snow or ice.
Do not use it if the tires are found broken or leakage.
Make sure there are no obstacles on the stairs and the steps are
WARNING__Can lead to serious injuries and fatalities
CAUTION__Can lead to light injuries
NOTICE__Can lead to material or premises damage

2
not slippery。
Do not use it on escalators or moving belts.
If the drive elements blocked, turn off the machine immediately.
Turn off machine when transporting to different locations.
Keep the battery port dry. Keep the charger and its cable away
from car oil, grease, aggressive cleaning agents and thinners.
otherwise they will be damaged.
Do not use a high-pressure cleaning. Store it in dry environment.
Repairs may only be done by certified and experienced engineer
Keep it away from ignition source.
It may interfere with other electronic devices’ sensitive
electro-magnetic fields (e.g. anti-theft systems in department
stores).
Only to use the accessories provided by XSTO factory.
Please do not operate this machine if you are color blind
This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities, or
lack of experience and knowledge.
Children should be supervised to ensure that they do not play
with the appliance.
This appliance incorporating a battery that contains materials that
are hazardous to the environment, the following action should be
followed:
– the battery must be removed from the appliance before it is
scrapped;
– the appliance must be disconnected from the supply mains
when
removing the battery;
– the battery is to be disposed of safely base on the local laws and
regulations.


3
2 Description
2.1 The features
2.1.1 EC/GC series
1.Fold-down handle 2.Up/down switch 3.Battery status 4.Climbing
wheel 5.Brake bar (For some models) 6.Cover 7.Operating button
8.Speed switch 9.Clamp 10.ON/OFF switch 11.Main wheel 12.Toe plate

4
2.1.2 ZW4/DC series
1. Fold-down handle 2. Up/down switch 3. Battery status 4.Cover
5. Climbing wheel 6. Operating button 7. Speed switch 8. Locking
bolt 9. ON/OFF switch 10. Main wheel 11. Toe plate

5
2.1.3 ZWEFC series
1
2
3
4
5
6
7
8
9
10
11
12
1.Fold-down handle 2.Up/down switch 3.Battery status 4.Climbing
wheel 5.Cover 6.Operating button 7.Speed switch 8.Clamp 9.Folding
mechanism 10.ON/OFF switch 11.Main wheel 12.Toe plate

6
2.1.4 ZWGFC series
1
2
3
4
5
7
8
9
10
11
12
2
13
6
1.Fold-down handle 2.Up/down switch 3.Battery status 4.Climbing
wheel 5.Brake bar (For some models) 6.Cover 7.Operating button
8.Speed switch 9.Clamp 10.Folding mechanism11.ON/OFF switch
12.Main wheel 13.Toe plate

7
2.2 Technical data
This user manual is for EC/GC/DC series.
2.3 Application fields
The stair climber series are innovative stair climbing equipment for
carrying heavy cargos up and down stairs. The main application fields:
logistics, express service, water delivery, house moving, furniture and
home appliance etc. as well as factory, office, house, outdoor
applications.
2.4 Technical parameters
2.4.1 ZW7170GC\ZW7170GFC\ZW7200GC
Note: All the following products are recommended to be used below
1000m altitude, and the environmental humidity is required to be
within the range of 45%-85% (no coagulated snow).
Type
ZW7170GC
ZW7170GFC
ZW7200GC
Unfold size(mm)
Height: 1590
Width: 545
Depth: 540
Height: 1590
Width: 545
Depth: 540
Height: 1590
Width: 545
Depth: 540
Fold size
(mm)
Height: 1195
Width: 545
Depth: 308
Height:770
Width: 545
Depth: 308
Height: 1195
Width: 545
Depth: 308
Weight
(Kg)
Main unit: 26
Charger: 0.3
Battery: 3.2
Main unit: 26.4
Charger: 0.3
Battery: 3.2
Main unit: 29
Charger: 0.3
Battery: 3.2
Capacity (Kg)
170
170
200

8
Climbing speed
(steps/min)
Slow: 24
Fast: 34
Slow: 24
Fast: 34
Slow: 24
Fast: 34
Board type
A
A
A
UP/Down mode
display
Yes
Yes
Yes
Step count on
one charge
68-153floors
(1224-2448 steps)
68-153 floors
(1224-2448 steps)
52-117 floors
(936-1873 steps)
Fold Type
Handrail Fold
Frame Fold
Handrail Fold
Brake
Yes
Yes
Yes
Tyre size(inch)
10
10
10
Step height
limitation(mm)
210
210
210
Required step
width（Straight
step）
Machine+Goods
carried
Machine+Goods
carried
Machine+Goods
carried
+100mm
+100mm
+100mm
Minimum
Platform size
（the turn of
stairs）
Depends on the
height of the
user
Depends on the
height of the
user
Depends on the
height of the
user
Battery type
Lithium ion
battery
Lithium ion
battery
Lithium ion
battery
Batteries
48V 10AH
48V 10AH
48V 10AH
Charging
voltage(V)
110-230
110-230
110-230
Direct current
motor
48V 400W
48V 400W
48V 400W
Noise level
(1 m out from
actuator )
<70dB
<70dB
<70dB
Storing/operatin
g temperature of
-5℃- +35℃/ 0℃
- +40℃(With no
-5℃- +35℃/ 0℃
- +40℃(With no
-5℃- +35℃/ 0℃
- +40℃(With no

9
device
icing)
icing)
icing)
Storing/operatin
g temperature of
battery
-5℃- +35℃/ 0℃
- +40℃
-5℃- +35℃/ 0℃
- +40℃
-5℃- +35℃/ 0℃
- +40℃
Serial number
On body name
plate
On body name
plate
On body name
plate
Protection Level
IP54
IP54
IP54
Note: The machine will have machining tolerance and assembly
tolerance. The actual size will generally be ±5mm of the above table
and the weight will be ±0.5kg
2.4.2 ZW7170EC and ZW7170EFC
Type
ZW7170EC
ZW7170EFC
Unfold size
(mm)
Height: 1590
Width: 525
Depth: 540
Height: 1590
Width: 525
Depth: 540
Fold size
(mm)
Height: 1195
Width: 525
Depth: 308
Height: 770
Width: 525
Depth: 308
Weight
(Kg)
Main unit: 23.5
Charger: 0.3
Battery pack: 3.2
Main unit: 23.9
Charger: 0.3
Battery pack: 3.2
Capacity (Kg)
170
170
Climbing speed
(steps/min)
Slow: 24
Fast: 34
Slow: 24
Fast: 34
Board type
A
A
UP/Down mode display
Yes
Yes

10
Step count on one
charge
68-153floors
(1224-2448 steps)
68-153floors
(1224-2448 steps)
Fold Type
Handrail Fold
Frame Fold
Brake
no
no
Tyre size(inch)
10
10
Step height
limitation(mm)
210
210
Required step width
（Straight step）
Machine+Goods
carried
Machine+Goods
carried
+100mm
+100mm
Minimum Platform size
（the turn of stairs）
Depends on the
height of the user
Depends on the
height of the user
Battery type
Lithium ion battery
Lithium ion battery
Batteries
48V 10AH
48V 10AH
Charging voltage(V)
110-230
110-230
Direct current motor
48V 400W
48V 400W
Noise level
<70dB
<70dB
Storing/operating
temperature of device
-5℃- +35℃/ 0℃-
+40℃(With no
icing)
-5℃- +35℃/ 0℃-
+40℃(With no icing)
Storing/operating
temperature of battery
-5℃- +35℃/ 0℃-
+40℃
-5℃- +35℃/ 0℃-
+40℃
Serial number
On body name
plate
On body name plate
Protection Level
IP54
IP54
Note: The machine will have machining tolerance and assembly
tolerance The actual size will generally be ±5mm of the above table
and the weight will be ±0.5kg.

11
2.4.3 DC Series
Type
ZW4170DC
ZW4200DC
Unfold size
(mm)
Height: 1555
Width: 530
Depth: 620
Height: 1555
Width: 530
Depth: 620
Fold size
(mm)
Height: 1235
Width: 530
Depth: 320
Height: 1235
Width: 530
Depth: 320
Weight
(Kg)
Main unit: 24.5
Charger: 0.3
Battery pack: 3.2
Main unit: 28.5
Charger: 0.3
Battery pack: 3.2
Capacity (Kg)
170
200
Climbing
speed(steps/min)
Slow: 24; Fast: 34
Slow: 24; Fast: 34
Board type
A
A
UP/Down mode display
Yes
Yes
Step count on one
charge
68-153floors
(1224-2448 steps)
52-117floors
(936-1873 steps)
Fold Type
Handrail Telescopic
Handrail Telescopic
Brake
no
no
Tyre size(inch)
10
10
Step height
limitation(mm)
210
210
Required step width
（Straight step）
Machine+Goods
carried
Machine+Goods
carried
+100mm
+100mm
Minimum Platform size
（the turn of stairs）
Depends on the height
of the user
Depends on the height
of the user
Battery type
Lithium ion battery
Lithium ion battery
Batteries
48V 10AH
48V 10AH

12
Charging voltage(V)
110-230
110-230
Direct current motor
48V 400W
48V 400W
Noise level (1 m out
from actuator)
<70dB
<70dB
Storing/operating
temperature of device
-5℃- +35℃/ 0℃-
+40℃
(With no icing)
-5℃- +35℃/ 0℃-
+40℃
(With no icing)
Storing/operating
temperature of battery
-5℃- +35℃/ 0℃-
+40℃
-5℃- +35℃/ 0℃-
+40℃
Serial number
On body name plate
On body name plate
Protection Level
IP54
IP54
Notice:Step count on one charge will decline under slow speed.
Note: The machine will have machining tolerance and assembly
tolerance. The actual size will generally be ±5mm of the above table
and the weight will be ±0.5kg.

13
2.5 Dimensions
2.5.1 Handrail Fold series
Unit: mm
Type
L1
W1
T1
L2
W2
T2
ZW7170GC
1590
545
540
1195
545
308
ZW7170EC
1590
525
540
1195
525
308
ZW7200GC
1590
545
540
1195
545
308
Unfolding
Folding

14
2.5.2 Frame fold series
Unfolding
Folding
Unit: mm
Type
L1
W1
T1
L2
W2
T2
ZW7170GFC
1590
545
540
770
545
308
ZW7170EFC
1590
525
540
770
525
308

15
2.5.3 DC fold series
Unit: mm
Type
L1
W1
T1
L2
W2
T2
ZW4170DC
1555
530
620
1235
530
320
ZW4200DC
1555
530
620
1235
530
320

16
2.6 Standard Supply Accessories
1
Main unit
2
Safety strap
3
Battery Pack
4
Normal charger
2.7 Optional Accessories
1
Main wheel
2
Battery Pack
3
Speedy
Charger
4
Door Delivery
5
Water-bucke
6
Ground Support
7
Cylinder
8
Frame Extender