MotionGrey MEMORY KEYPAD

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Overview

Memory Keypad User's Manual

Memory Keypad User's Manual

This document outlines the features, operation, troubleshooting, and precautions for the Memory Keypad, designed for use with adjustable desks.

Function Overview

The Memory Keypad offers a comprehensive set of features to enhance the usability and safety of adjustable desks. Key functions include:

Memory Positions: The keypad supports 3 programmable memory positions, allowing users to save and recall their preferred desk heights quickly.
Anti-Collision Stop Feature: For safety, the system includes an anti-collision mechanism that stops desk movement if an obstruction is detected. The sensitivity of this feature can be configured to high, medium, low, or default settings.
Reset Function: A reset function is available for initial setup, to address desk imbalance, or to correct incorrect height display data. This is performed by holding the UP and DOWN keys simultaneously for 5 seconds until the desk reaches its lowest displayed height.
Height Display: The current lifting height is displayed using a white LED. The display unit can be switched between centimeters (cm) and inches (inch) by pressing and holding the M key and the 3 key simultaneously.
Key Press Protection: To protect the system, frequent key presses are prevented.
Switchable Height Display Unit: As mentioned, users can switch between metric and imperial units for height display.
Power-Down Memory: The system retains programmed positions even after a power outage, ensuring convenience.
Smooth Operation: The desk features a slow start and slow stop mechanism for smooth and stable movement.
Adjustable Base Height Setting: Users can adjust the base height setting, allowing for customization of the desk's minimum height. This involves lowering the desk to its minimum, holding the DOWN key for 10 seconds to enter the setting interface, using UP/DOWN to adjust values (with the 3 key to switch adjustments), and confirming with the 1 and 2 keys.
Configurable Lifting Height Range: Both lower and upper limits for the desk's lifting height can be set.
- Setting the Lower Limit: Hold down both the M key and the 1 key. The display will blink, showing real-time height. Use UP or DOWN to adjust to the desired minimum height, then press the S key to confirm and save.
- Setting the Upper Limit: Hold down both the M key and the 2 key. The display will blink, showing real-time height. Use UP or DOWN to adjust to the desired maximum height, then press the M key to confirm and save.
Standby Mode: The system automatically enters standby mode after 60 seconds of inactivity, with the LED screen turning off to conserve power. Any key press (except the M key) will resume normal operation.

Protection Measures

The Memory Keypad incorporates several protection mechanisms to ensure safe and reliable operation:

Overheating Protection: The system includes overheating protection for the motors.
Over-current Protection: Over-current protection is implemented to safeguard the system from excessive electrical current.
Tilt Protection: The desk is equipped with tilt protection to prevent damage or injury if it becomes unbalanced.

Low Consumption

Standby Power: The device consumes a minimal 0.1 W in standby mode, contributing to energy efficiency.

Usage Features

Raising and Lowering the Desk: Press the UP key to raise the desk and the DOWN key to lower it. Releasing the key stops the desk's movement.
Saving a Position:
1. Adjust the desk to the desired height using the UP or DOWN key.
2. Press the M key; the display will flash for 5 seconds.
3. Within these 5 seconds, press one of the memory keys (1, 2, or 3) to store the position.
4. Repeat for other memory positions. Stored data is retained even after a power outage.
Recalling a Stored Position: Hold down the memory key to reach the saved height, or press it once for automatic adjustment. Movement can be stopped by pressing any key during adjustment.

Troubleshooting Help

The manual provides detailed troubleshooting steps for various error codes:

Digit (Current Height Display): The unit is set before EX-factory.
E01 (Motor 1 Fault):
- Cause: Cable of motor 1 is not connected.
- Troubleshooting:
  1. Ensure motor 1 cable is securely connected to the control box.
  2. Check if the motor 1 cable is undamaged.
  3. After troubleshooting, press any key (except M) to clear the error and resume operation.
E02 (Motor 2 Fault):
- Cause: Cable of motor 2 is not connected.
- Troubleshooting:
  1. Ensure motor 2 cable is securely connected to the control box.
  2. Check if the motor 2 cable is undamaged.
  3. After troubleshooting, press any key (except M) to clear the error and resume operation.
E04 (Motor 1 Hall Signal Missing):
- Cause: Hall cord of motor 1 is not connected.
- Troubleshooting:
  1. Ensure motor 1 Hall cord is securely connected to the control box.
  2. Check if the motor 1 Hall cord is undamaged.
  3. After troubleshooting, press any key (except M) to clear the error and resume operation.
E05 (Motor 2 Hall Signal Missing):
- Cause: Hall cord of motor 2 is not connected.
- Troubleshooting:
  1. Ensure motor 2 Hall cord is securely connected to the control box.
  2. Check if the motor 2 Hall cord is undamaged.
  3. After troubleshooting, press any key (except M) to clear the error and resume operation.
E07 (Motor 1 Over-Current):
- Causes: Overload, Mechanical Fault.
- Troubleshooting:
  1. Reduce load to stay within maximum capacity or troubleshoot mechanical issues.
  2. After 8 seconds, press any key (except M) to clear the error and resume operation.
E08 (Motor 2 Over-Current):
- Causes: Overload, Mechanical Fault.
- Troubleshooting:
  1. Reduce load to stay within maximum capacity or troubleshoot mechanical issues.
  2. After 8 seconds, press any key (except M) to clear the error and resume operation.
E10 (Desk Unbalanced):
- Cause: The two motors are running out of sync.
- Troubleshooting: To reset, use only the DOWN key. Hold both UP and DOWN keys together for 5 seconds until reset finishes. The error code will then be cleared.
Hot (Motors Overheating):
- Cause: System detects high motor temperature, pausing operation.
- Troubleshooting: Any key is invalid. When motors resume operation, the hand control will display the current height.

Precautions for Use

Installation and Operation: Do not attempt to install or operate if the product is damaged or parts are missing, as this may lead to equipment damage or personal injury.
Voltage: Ensure the control box is connected only to the specified voltage indicated on the label.
Disassembly: To prevent electrical hazards, refrain from disassembling the product unless you are a qualified professional.
Intended Use: This product is intended solely for use with adjustable desks and should not be used for other purposes.
Pre-use Check: Before use, verify that the control box, hand control, and power cord are in good condition. Contact the manufacturer or authorized agents for replacements if quality issues are found.
Environmental Conditions: Avoid using the product in locations susceptible to corrosion or oxidation. Keep it away from direct sunlight and high-temperature environments. This product is designed for indoor use only.
Professional Service: Non-professionals should not disassemble the product. Any required after-sales service must be carried out by the manufacturer or an authorized service representative.