SAJ SC Series User manual

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SC 系列控制盒与 SH01 手控器使用说明书
User’s Manual
Smart Control Box User's Manual

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Contents
1、Introduction.......................................................................3
2、Function Overview ...........................................................4
2.1 Common Functions ........................................................4
2.2 Technical Parameters ......................................................5
3、Dimensions (mm) .............................................................6
4、Connection Diagram.........................................................7
5、Handset introduce and operation ...................................11
6、Error display and Solution ............................................ 16
7、Precautions for Use........................................................ 22
8、Product Warranty........................................................... 23

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Safety Precautions
■If the product is damaged or missing parts, please do not install
to run. Otherwise, it may cause damage to the equipment or
personal injury.
■Be aware that the control box can only be connected to the
voltage indicated on the label.
■Non-professionals are not allowed to disassemble this product to
prevent electric hazards.

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1、Introduction
SAJ smart office controllers include SC series control box
and SH series handset. The smart control box is a kind of electric
control system which combines with handset together designed for
a variety of Height Adjustable Desk (HAD). It enjoys many
advantages such as low energy consumption, smart control, and
etc. It achieves the soft start and soft stop of the connected
columns to ensure the smooth running of the HAD. It is compact,
simple and intuitive. The control box is interface with connector
for power, motor and handset. The unique cable slots design at
bottom casing of control box is for cable management purpose.

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2、Function Overview
2.1 CommonFunctions
Function
1.3 Memory positions
2.Current Anti-collision function
3.Reset function
4.Display the Lifting Height with White LED
5.Children lock
6.Height display unit can be switched
7.Position power-off memory
8.Soft start, Soft stop
9.Base height setting
10.Setting lifting height
11.The screen turn off automatically after stop
working for 30S
12. G-sensor Anti-collision function
Optional function
1.Build-in Blutooth
2.Wireless remote control
Protection
function
Over-current Protection、
Overheating Protection、
Anti-tilt protectionAnti-collision protection
Lower energy
consumption
0.4 W in standby mode

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2.2 Technical Parameters
Input
100 –240 VAC，50/60Hz, Max 3A
Output
Max 32 VDC，Max 7A
Number of Actuators
Single motor, Dual motor, Triple motor
Duty Cycle
Max 10%, 2 min on, 18 min off
Overload Protection
Quick-break
Standby Power
0.4 W
Certification
CE, ROHS
Operating Ambient
Temperature
-20°Ｃ~50°Ｃ
Color
Black

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3、Dimensions (mm)
Control Box：
Handset 1：

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Handset 2：
4、Connection Diagram
The motor cable is optional, and the definition of motor
cable port as follow:

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SAJ Line
1、The motor wire port is defined as bellow：
2、The control box wire port is defined as bellow：
1.Motor +
3.Motor -
5.The power of Hallsensor +5V
4.The power of Hallsensor -
6.The output of Hallsensor 1
2.The output of Hall sensor 2
5.Motor +
3.Motor -
1.The power of Hallsensor +5V
4.The power of Hallsensor -
2.The output of Hallsensor 1
6.The power of Hallsensor 2

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JC Line
1、The motor wire port is defined as bellow：
2、The control box wire port is defined as bellow：
1.Motor +
3.Motor -
6.The power of Hallsensor +5V
4.The power of the Hall sensor -
2.The output of Hallsensor 1
5.The output of Hall sensor 2
5.Motor +
3.Motor -
2..The power of Hall sensor +5V
4.The power of Hallsensor -
6.The output of Hallsensor 1
1.The output of Hall sensor 2

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Control box connection diagram 1
Remarks: The above is the connection diagram and installation diagram of
the control box with double motors (double columns). There will be
differences between single and triple motors. The connection/installation
principle remains the same. Please refer to the actual product.

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5、Handset introduce and operation
Handset 1：
Handset 2：
Operation
1. Running UP

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Keep pressing the UP key , then the desk runs up; after releasing
the UP key, the desk stops running.
2. Running DOWN
Keep pressing the DOWN key ,then the desk runs down; after
releasing the DOWN key,the desk stops moving .
3. Reset
It needs to be reset when the first time use or the desk is
unbalanced or the LED displaying the wrong value, press the UP
& DOWN key at the same time for 5 seconds, until displaying the
RST on the screen it begins to reset, after the desk stops running
with buzzer sounds (di) then releasing the key at same time, it
resets successfully .(do not release the up&down key during
operation).
4.Wake Up
when the motor stops work for 30 seconds, the screen turn off
automatically, the desk willenter the standby mode, then press any
key(except S key) to wake up.
5.Memory position setting
Press S key，then the screen flashes for 5 seconds; Before the end

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of the 5 second countdown, please choose and press one of the
number key (1,2,3 key), and the can memory the Real-time height.
6. Minimum limit height setting
Press and hold 1&S key for 3 seconds, then the screen flashes and
displays real-time height; at this time please press UP or DOWN
key to the required minimum height , then press 1&S key for 3
seconds, the setting is completed when the screen no longer
flashing
7. Maximum limit height setting
Press and hold 2&S key for 3 seconds, then the screen flashes and
displays real-time height; at this time please press UP or DOWN
key to the maximum height you need, then press 2&S key for 3
seconds, the setting is completed when the screen no longer
flashing
8. Base height setting
Run the desk to the minimum height, then press the DOWN key
for 10 seconds and enter the mode of base height setting（a
number flashing on the screen）; long press the UP or DOWN key,
run to the required height(press the 3 key to shift), after setting it
please press and hold the 1&2 key when the real-time height

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displays on the screen is ok.
9. Unit display switch
Press and hold the 3&S key at the same time, and then can change
the unit(cm&inch)
10. Children lock
Press and hold the UP key and the S key at the same time for 3
seconds，then LOC displaying on the screen ,button can not
work
11. Position power-off memory
When the HAD is running, cut off the input power and then power
on again, the screen will display the height of the position before t
-he power was cut off
12. Current Anti-collision function
Once the desk his an obstacle during running up, the desk bounces
back 3-5cm;
Once the desk approaches an obstacle during running down, the
desk bounces back 3-5cm
13.Sensitivity adjustment of currentAnti-collision function

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Press and hold 2&3 key for 3 seconds, the real-time height flashes
on the screen, then can change the sensitivity of the Anti-collision,
choose 1 or 2 or 3 key is represented sensitivity high or middle or
low.
14.G-sensor Anti-collision function
Once the desk hits an obstacle or happens to a shaken during
running up，the desk bounces back 3-5cm; Once the desk hits an
obstacle or happens to a shaken during running down，the desk
bounces back 3-5cm
15. Sensitivity adjustment of G-sensor Anti-collision function
Press and hold 1&3 key for 3 seconds, the real-time height flashes
on the screen, then can change the sensitivity of the Anti-collision,
choose 1 or 2 or 3 key is represented sensitivity high or middle or
low.

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6、Error display and Solution
Erro
r
Displ
ay
Description
Solution
Digit
The current height of the
adjustable desk
（unit: inch/cm）
—— ——
E01
The fault of motor 1
Cause:
The cable of motor 1 is
not connected
1. Check whether the cable
of motor 1 is properly conn-
ected to the control box.
2. Check whether the cable
of motor 1 is intact.
3. After troubleshooting, press
any key to clear the error c-
ode to resume running
(except S key)
E02
The fault of motor 2
Cause:
The cable of motor 2 is
not connected
1. Check whether the cable
of motor 2 is properly conn-
ected to the control box.
2. Check whether the cable
of motor 2 is intact.
3. After troubleshooting, press
any key to clear the error c-
ode to resume running
(except S key)

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E03
The fault of motor 3
Cause:
The cable of motor 3 is
not connected
1. Check whether the cable
of motor 3 is properly conn-
ected to the control box.
2. Check whether the cable
of motor 3 is intact.
3. After troubleshooting, press
any key to clear the error c-
ode to resume running
(except S key)
E04
Missing Hall signal of
motor 1
Cause:
The Hall cord ofmotor
1 is not connected
1).Check whether the motor
1 cable plug is correctly ins-
erted into the control box int
erface；
2)Check whether the Hall cir-
cuit of motor 1 is intact；
3).After troubleshooting, press
any key to cancel the errorc-
ode to resume operation
(except the S key)

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E05
Missing Hall signal of
motor 2
Cause: The Hall cord of
motor 2 is not connected
1).Check whether the motor 3
cable plug is correctly inserted
into the control box interface；
2).Check whether the Hall ci-
rcuit of motor 2 is intact；
3).After troubleshooting, press
any key to cancel the error code
to resume operation (except the
S key)
E06
Missing Hall signal of
motor 3
Cause: The Hall cord of
motor 3 is not connected
1).Check whether the motor 3
cable plug is correctly inserted
into the control box interface；
2).Check whether the Hall ci-
rcuit of motor 3 is intact；
3).After troubleshooting, press
any key to cancel the error code
to resume operation (except the
S key)
E07
motor 1 occurs an over-
current erro
Cause:Overload, Mechan
ical fault
Reduce the load to no more
than the maximum load(MAX
120KG), or troubleshooting t-
he mechanical fault. After 8
seconds, press any key to ca-
ncel the error code to resume
operation(except the S key)

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E08
motor 2 occurs an over-
current
Cause:error Overload ,
Mechanical fault
Reduce the load to no more
than the maximum load(MAX
120KG), or troubleshooting t-
he mechanical fault. After 8
seconds, press any key to ca-
ncel the error code to resume
operation(except the S key)
E09
motor 3 occurs an over-
current
Cause:error Overload ,
Mechanical fault
Reduce the load to no more
than the maximum load(MAX
120KG), or troubleshooting t-
he mechanical fault. After 8
seconds, press any key to ca-
ncel the error code to resume
operation(except the S key)
E10
The desk is unbalanced
Cause:
The two motors are out of
sync during operation
Operate a downward Reset
operation on the table, the error
code will disappear after the
Reset is completed
Hot
Motors Overheating
Cause：
The control box detects
that the temperature of the
motor is too high, forcing
the motor to stop running
Pressing any key at this time is
invalid. The error is released
after 11 minutes of stopping
operation, and the handset will
display the current altitude.