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SANCH S900 Series - User Manual

SANCH S900 Series
79 pages
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Manual Service
For S900 Series Inverters
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change without notice.

Table of Contents

Questions and Answers

  • D
    Dawn WalkerAug 6, 2025
    What to do if SANCH Inverter detects over current at output side?
    • K
      Katelyn GuzmanAug 7, 2025
      If the SANCH Inverter detects an overcurrent at the output side, take the following steps: 1. Verify that the motor's rated current matches the AC motor drive's rated current. 2. Ensure there are no short circuits in U/t1-V/t2-W/T3. 3. Confirm that there is no short circuit or grounding in the motor connection. 4. Make sure the screws are securely tightened to the AC motor drive. 5. Increase the acceleration time (parameters 1-09, 1-10). 6. Check that the motor is not overloaded.
  • H
    Heather EsparzaAug 12, 2025
    What to do if output current exceeds allowable current of SANCH S900?
    • H
      holly38Aug 12, 2025
      If the output current exceeds the allowable current of your SANCH Inverter, consider the following: 1. Check if the motor is overloaded. 2. Decrease the torque (parameter 7-02) to improve the set value. 3. Increase the output capacity of the AC motor drive.
  • M
    Melissa ChavezAug 18, 2025
    How to fix SANCH S900 Inverter over heat?
    • M
      Margaret WatsonAug 18, 2025
      If the SANCH Inverter detects overheating and exceeds the protection level: * Ensure the ambient environment is not overheating. * Check that the radiator and air fan are functioning correctly. * Verify that there is enough clearance for airflow around the AC motor drive.
  • P
    Paul McphersonAug 25, 2025
    What to do if inner electric relay protection acts in SANCH S900 Inverter?
    • W
      William ValenzuelaAug 26, 2025
      If the inner electric relay protection in your SANCH Inverter activates, take these steps: 1. Check for motor overload. 2. Verify that the motor's rated current (parameter 07-00) is correct. 3. Check the electric relay function setting. 4. Increase the motor capacity.
  • D
    daniellereyesAug 30, 2025
    What to do if DC high voltage side over low inside SANCH S900?
    • J
      Jodi MillerAug 31, 2025
      If the DC high voltage side inside your SANCH Inverter is too low: * First, check that the power supply voltage is correct. * Second, ensure there is no sudden heavy load.

Summary

Preface

1 Safety Instructions

Essential safety precautions for operating and handling the inverter.

1.1 Notes for Operation

Critical operational notes before, during, and after inverter use.

1.2 Notes for Operation Environment

Guidelines for protecting the inverter from environmental hazards.

2 Descriptions for Sanch and Installation

2.1 Operation Environment

Recommendations for suitable operating environments and installation clearances.

2.2 Model Description

Breakdown and explanation of the inverter model naming convention.

2.3 Product Specification

Detailed technical specifications for 220V and 440V series inverters.

2.6 Basic Wiring Diagram

Standard wiring diagrams for main and control circuits of the inverter.

3 Description of Operators

3.1 Description for Digital Operator

Overview of the digital operator's display and operating spaces.

3.2 Description of Keyboard Operation

Explains how to use the digital operator's keys for various functions.

5 DESCRIPTION OF FUNCTIONAL PARAMETERS

0 Users Parameters

Parameters related to user settings and machine type recognition.

1 Basic Parameters

Core parameters for setting operation frequency, voltage, and timing.

2 Operation Mode Parameters

Parameters that define the inverter's operating modes and control sources.

6 Protection Parameters

Parameters for setting over-voltage, over-current, and other protection functions.

9 Communication Parameters

Parameters for setting up communication interfaces like RS-485.

6 TROUBLE SHOOTING

6.1 Fault and Corrective Measures

Lists common fault displays and their corresponding corrective actions.

7 MAINTENANCE AND AMBIENT ELEMENTS

SANCH S900 Series Specifications

General IconGeneral
BrandSANCH
ModelS900 Series
CategoryInverter
LanguageEnglish

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