Digitus DA-90388 Wiring diagram

DIGITAL CONTROL PANEL
FOR ELECTRIC HEIGHT
ADJUSTABLE DESK
Installation Instruction & User Guide
DA-90388 • DA-90389 • DA-90390

1
1. Operating Control Panel
A
Timer
E
Memory 1 / 2 / 3
B
Memory/Screen lock (unlock)
F
Display
C
Downward movement
G
Indicator light
D
Upward movement
Operation Instruction:
Height Adjustment:
Press and hold the up/down button to lift/lower the desk.
Press and release the button to lift/lower the desk precisely.
Timer:
The timer is designed to inform users to stand up after a set period of time. Press the “T”
button to set the period of time. The display will flash “0.5 h” for 0.5 hour. Each press of the
“T” button leads to a 0.5 hour increment. The maximal setting of time is 2 hours. When the
display stops flashing, then the period of time is successfully set. And the indicator light on the
top right of panel will be on.
When the set time is up, the buzzer will beep to remind the users. The timer will turn off
automatically after five beeps. To cancel the timing, press “T” button for 5 times until the
display shows the current height and the indicator light is off.

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Memory Setting:
Adjust the desk to your desired position. Press the "M" button, then "S-"appears on the
display. Meanwhile press "1","2" or "3", the memory is successfully set. Press "1", "2" or "3"
to get to the programmed memory position. Press any button to stop the motion.
Screen Lock/Unlock:
Note: To auto-lock/lock/unlock, please ensures the lockable display function is ON first. For this
CT-08 touch digital control, screen lock function is ON by default. Refer to “PART 3 – Custom
Programming Guide” and change the screen lock setting.
Auto-lock: When no actions are made for over 1 minutes, the screen will lock automatically
and the display shows“---”.
To lock: press "M" for 3s and the display shows "---".
The screen has been locked and any operation is invalid.
To Unlock: press "M" for 3s and the display shows the current height.
Changing between CM and INCH:
Press "T" for 8s. From "cm" to "inch",beeps twice. From "inch" to "cm" beeps once.
Reset Mode:
Press "UP" and "DOWN" simultaneously until the buzzer beeps.
(The desk will move down to the lowest position then raise a little. Please make sure you never
release the button during the process.)

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2. Troubleshooting Guide
In Front
This repair guide intends to help you identify and solve the minor problems
caused by unusual operation of the electric system of our sit-stand desk.
If the following guides can’t help solve the problems, please contact your
point of purchase for service and replace the accessories.
E01/E07 Troubleshooting
The system has experienced unusual
electrical problems. Disconnect the
power first, then wait for 30s (until
the display stays off) and reconnect
HOT Troubleshooting
System overheating. Allow your
desk to cool down and remain idle
for approximately 18 minutes.
Error
No.
Description
Solution
Error
No.
Description
Solution
E02
Column of height
difference
Reset the system
E16/
E26
Motor failure
Reset the system
E04
Digital controller
connection error
Check the
connection then
reconnect the power
E17
Desk run in wrong
direction
Replace the motor
cord (M1)
E05
Collision
avoidance system
Release the button
E18/
E28
Weight overload
Remove the items on
the desktop
E06
Electrical Problem
Replace the control
box
E21
No connection
Check the
connection (M2)
E08
Uneven desktop
Reset the system
E23
Motor wire broken
Check then replace
the motor cord (M2)
E11
No connection
Check the
connection (M1)
E24
Hall wire broken
Check then replace
the motor cord (M2)
E12/
E22
Abnormal
current
Replace the control
box
E25
Short circuit
Replace the motor
(M2)
E13
Motor wire
broken
Check then replace
the motor cord (M1)
E27
Desk run in wrong
direction
Replace the motor
cord (M2)
E14
Hall wire broken
Check then replace
the motor cord (M1)
E42
Memory function
failure
Replace the control
box
E15
Short circuit
Replace the motor
(M1)
E43
Sensor failure of
collision avoidance
system
Replace the control
box

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3. Custom Programming Guide
Note: Press “M” and “T” simultaneously for 5s, the buzzer beeps once and the “S-1” is
displayed. You have enter the setting menu successfully. The setting process will exit
automatically if no action for 10s. You can cancel the unsaved settings by pressing “T”.
Minimum & Maximum Height Settings
To set a minimum height limit
1. Press “M” and “T” simultaneously for 5s, the buzzer beeps once and the “S-1” is displayed.
2. Press “M” once, then press “UP”/“DOWN” to set your desired min. height.
3. Press “M” to save. “L-S” will be displayed if successfully save while “L-F” shows fail
Note:Default min. height is 62cm (24.4”), and the adjustable range is 62-118 cm
(24.4” ~ 46.4”).
To set a maximum height limit
1. Press “M” and “T” simultaneously for 5s, the buzzer beeps once and the “S-1” is displayed.
2. Press “UP”/“DOWN” and switch to “S-2”
3. Press “M” once, then press “UP”/“DOWN” to set your desired max. height.
4. Press “M” to save. “H-S” will be displayed if successfully save while “H-F”shows fail.
Note:Default max. height is 128 cm (50.4”), and the adjustable range is 72-128 cm
(28.3” ~ 50.4”).
Adjust the Anti-Collision Sensitivity (Current Sensor)
To set a upwards current sensitivity
1. Press “M” and “T” simultaneously for 5s, the buzzer beeps once and the “S-1” is displayed.
2. Press “UP”/“DOWN” and switch to “S-3”
3. Press “M” once, then press “UP”/“DOWN” to change the sensitivity level.
4. Press “M” to save. “S-S” will be displayed if successfully save while “S-F” shows fail.
Note:Default sensitivity is 4, and the adjustable range is 0-8. (0: off / 8: maximum)
To set a downwards current sensitivity
1. Press “M” and “T” simultaneously for 5s, the buzzer beeps once and the “S-1” is displayed.
2. Press “UP”/“DOWN” and switch to “S-4”
3. Press “M” once, then press “UP”/“DOWN” to change the sensitivity level.
4. Press “M” to save. “S-S” will be displayed if successfully save while “S-F” shows fail.
Note:Default sensitivity is 4, and the adjustable range is 0-8. (0: off / 8: maximum)
Adjust the Anti-collision Sensitivity (Gyro Sensor)
1. Press “M” and “T” simultaneously for 5s, the buzzer beeps once and the “S-1” is displayed.
2. Press “UP”/“DOWN” and switch to “S-5”
3. Press “M” once, then press “UP”/“DOWN” to change the sensitivity level.
4. Press “M” to save. “S-S” will be displayed if successfully save while “S-F” shows fail.
Note:Default sensitivity is 4, and the adjustable range is 0-8. (0: off / 8: maximum)

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Displays Height Currently (with Desktop Thickness)
1. Press “M” and “T” simultaneously for 5s, the buzzer beeps once and the “S-1” is displayed.
2. Press “UP”/“DOWN” and switch to “S-6”
3. Press “M” once, then press “UP”/“DOWN” to set your desired desktop thickness.
4. Press “M” to save. “T-S” will be displayed if successfully save while “T-F” shows fail.
Screen Lock Setting
1. Press “M” and “T” simultaneously for 5s, the buzzer beeps once and the “S-1” is displayed.
2. Press “UP”/“DOWN” and switch to “S-7”
3. Press “M” once, then press “UP”/“DOWN” to change the screen lock setting. (0: off / 1: on)
4. Press “M” to save. “A-S” will be displayed if successfully save while “A-F” shows fail.
To Save the Customized Settings at one time
(eg: save the max. and min. limit height at one time)
After adjusting the min. height limit, press “T” to get back and enter “S-2” to adjust the max.
height limit. Once finish, press “M” to save both settings.
To Reset the Customized Settings
Press “M”, “T” and “UP” simultaneously for 5s until buzzer beeps.
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