Digitus DA-90407 User manual

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Electric Height-Adjustable Desk
Quick Installation Guide
DA-90407

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Introduction
Do a good deed for yourself and your health with this height-adjustable table frame from
DIGITUS®! The height of the table can be adjusted conveniently using the integrated
control panel from 73 to 123 cm. Installation is relatively easy to carry out thanks to
pre-assembled table elements. The table allows for a maximum load capacity of 50 kg,
which is designed for monitors, notebooks and common work materials. The C-shaped
pedestal design affords you the maximum amount of legroom. Improve your health and
prevent postural damage or restrictions of the musculoskeletal system by regularly
changing your working position!
Package content
Please open the package carefully, confirm the packing contains as follows :
A x3
ST 4.2
B x4
M6
C x8
M6
D x1
4x4 5x5
①Tabletop
x1
②Lifting column
x2
③Hand switch
x1
④Feat
x2
⑤Power plug
x1
⑥Adapter
x1
⑦Cable Mounts
x4
⑧Adapter cable
x1

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Attention: The drawings below are only for reference which might be slightly different
from the actual object, please in kind prevail. Any tools missing or installation
problems, please contact the customer service firstly.
Product features
•Height adjustable between 73 and 123 cm
•Dimensions of tabletop: W 120 x D 60 cm
•Maximum load capacity 50 kg
•Dimensions of tabletop: W 120 x D 60 cm
•Easy installation in 3 steps thanks to pre-assembled module
•Pedestal design for maximum legroom
•Low noise level: <50 dB
•Lifting speed: 25 mm/s
•Intuitive control panel for convenient height adjustment
•Compact and health-promoting solution for your home office

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Mounting instructions
Step 1) Install the lifting column
Install the lifting column ②to the tabletop ①, then tighten the screws B with
allen key D.
Long side of
the column
Short side of
the desktop
Rotate the column after inserting
it to the bottom to avoid height
difference.
①Insert the hexagon head of the
column along the wiring trough,
the side of the wire head facing
the motor.
Insert
②Rotate the column after
inserting it, making the screws on
the supporting beam into the
column slot.

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Step 2) Install the feet
Connect lifting columns ②to the feet ④, tighten the screws C with allen key D.
③ + ④ Tighten the screws (B) with 4*4
allen key

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Step 3) Install the hand switch
Fix the hand switch with the screws A and tighten it with 5*5 wrench D.
Step 4) Connect all cables to the adapter
Connect the switch cable to the DC port and the motor cable to the M1 port. Insert the
adapter ⑥to the bracket of the tabletop.
Connect the power after
the wiring is complete.

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Ripped
Organzise the cables
Fixed
Fix the cables to the tabletop with
cable management ⑦to keep the
desk tidy.

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Operation instructions
Hand switch
Product specification
•DC input:19-33VDC, 150W
•Output M1:19-33VDC, 4A
•Number of controlled motors:1 PC
•Standby power:<0.5W
•Overload protection
•Overtime protection
•Sensor anti-collision protection (first gear)
•Working frequency: Work 2 minutes, rest 18 minutes
•Hand-switch and controller are combined into one, easy to operate and install
•Two buttons, including “▲”,“▼”
1. "▲" Up button, control the standing desk to move upwards
2. "▼" Down button, control the standing desk to run down
•Related certification: CE-EMC, FCC
•Suitable for Loctek’s single motor lifting column
Lifting function
1. The height of the desk can be adjusted up or down by pressing "▲" or "▼".
2. Long press the "▲" or "▼" button for more than 1.2 seconds to enter the
automatic lifting mode, and then press any button to stop the lifting. (This
function is optional, the default software does not choose this function)

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Reset
1. At the lowest position, long press the down button for more than 5 seconds to
enter the reset state, until the lifting system bottoms out and the rebound stops,
the reset is successful.
2. When the lifting system fails, release the button and long press the down button
until the lifting system bottoms out and rebounds and stops, and the reset is
successful.
Anti-collision function
1. Built-in sensor, when encountering any objects, the device instantly stops and
reverses to avoid damage.
2. Long press the "▲" and "▼" buttons together for more than 5 seconds to turn
off or turn on the anti-collision function.
Troubleshooting
1. If there is no response to pressing the up or down button after a period of
continuous work, please rest for more than 18 minutes before using it.
2. During the lifting process, if there is a retreat phenomenon, please check
whether the desk load is too heavy and whether the desk shakes greatly.
Common fault treatment
The following tips will help you detected and eliminate the common fault and error. If the
fault you met is not listed below, please contact with your supplier. Only the manufacturer
and professionals are capable for investigating and correcting those fault and error.
Fault phenomenon
Method
No response while long pressing down
arrow after connected with a power
supply
1. Check if all the cables be connected well
2. Contact your supplier or dealer
No response while pressing up
arrow/down arrow after connected with
a power supply
1. Check if all the cables be connected well
2. Contact your supplier or dealer
Rising in a low speed 1. Check if overloaded, max loading: 50 kg
2. Contact your supplier or dealer
The motor does not move as instructed 1. Contact your supplier or dealer
Going down but not going up 1. Reposition
2. Contact your supplier or dealer
Downward sliding 1. Check if overloaded, max loading: 50 kg
2. Contact your supplier or dealer
Frequently Reposition 1. Check if overloaded, max loading: 50 kg
2. Contact your supplier or dealer

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Overwork
(Duty cycle: max 2 min on/10 min off)
1. Restart after suspending for 18 mins
while connecting with power
2. Contact your supplier or dealer
Not enough up & down height 1. Perform a reset operation
2. Contact your supplier or dealer
Security advice
1. Power supply: AC100V-240V,50/60Hz
2. Service Environment: 0-40℃
3. Unplug the power plug before cleaning, wipe the dust on surface with slight wet
dishcloth when cleaning, be careful not to let the drops into the internal parts,
not loose the connector.
4. The electric box contains electronic components, metals, plastics, wires etc., so
dispose of it in accordance with each country's environmental legislation, not the
general household waste.
5. Check carefully to ensure correct and complete assembly before using.
6. Be familiar with all functions and program settings of the product before first
use.
7. Children are forbidden to play on the product because of unforeseen action
when playing, so any dangerous consequences caused by this improper action
will not be on manufacturers.
8. Slight noise caused by the V-ribbed belt or brake system due to structure will not
have any effect on the use of the equipment.
9. Corrosive or abrasive materials are forbidden to clean the equipment. Must
ensure that the cleaner used will not pollute the environment.
10. This appliance can be used by children aged from 8 years and above and persons
with reduced physical, sensory or mental capabilities or lack of experience and
knowledge if they have been given supervision or instruction concerning use of
the appliance in a safe way and understand the hazards involved. Children shall
not play with the appliance.
11. Cleaning and user maintenance shall not be made by children without
supervision.
12. If the supply cord is damaged, it must be replaced by the manufacturer, its
service agent or a similarly qualified person in order to avoid a hazard.
13. Please make sure there is no hazard sources in your operating environment. e.g.,
do not litter the tools around. Always be careful to treat the packaging materials
in order to avoid any possible danger, e.g. plastic bag may lead to choking hazard
to children.
14. Keep the original package of the equipment if necessary in case of the future use
in transportation.

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Waste disposal
This marking indicates that this product should not be disposed with other
household wastes. To prevent possible harm to the environment or human health
from uncontrolled waste disposal, recycle it responsibly to promote the
sustainable reuse of material resources. To return your used device, please use the
return and collection systems or contact the retailer where the product was
purchased. They can take this product for environmental safe recycling.
Declaration
Hereby Assmann Electronic GmbH, declares that the Declaration of Conformity is part of
the shipping content. If the Declaration of Conformity is missing, you can request it by post
under the below mentioned manufacturer address.
www.assmann.com
Assmann Electronic GmbH
Auf dem Schüffel 3
58513 Lüdenscheid
Germany