Medisoft 870 S - User Manual

Series 800 Treadmills
Service Manual
and
troubleshooting guide
870 A/S/C Model
REV. 1/01.07-2019

Summary

2 - System Breakdowns and Diagnostic Procedures

3 - Diagnosis of Inclination Subsystem

3.1 - Flow Chart for Inclination Diagnosis

Visual flowchart for diagnosing inclination system issues.

3.2 - Transmission Check

Verifies correct command transmission to the treadmill.

3.3 - Connection Check

Checks proper RS232 cable connection at both ends.

3.6 - Inclination Check

Tests if the treadmill elevates correctly upon command.

3.7 - Treadmill Check

Verifies treadmill behavior using a serial tester.

3.9 - Control Board Input Check

3.10 - Fuse Check for Filter and Control Boards

Checks fuses on the filter and control boards using a multimeter.

3.11 - Control Board and Elevation Motor Test

Tests the functionality of the control board and elevation motor.

3.12 - Limit Switch Testing

Checks the operation of the treadmill's limit switches.

3.13 - 0% Limit Switch Test

Measures and adjusts the 0% limit switch position.

3.14 - Control Board Substitution

3.16 - Elevation Motor Substitution

Step-by-step guide for replacing the elevation motor.

4 - Velocity Subsystem Diagnosis

4.1 - Velocity Diagnosis Flow Chart

Provides a visual flowchart for diagnosing velocity subsystem issues.

4.2 - Velocity Check

Verifies correct belt movement based on commands.

4.3 - Inverter Check

4.4 - Control Board Fuse Check

4.5 - Inverter Signal Test

4.6 - Control Board Substitution

4.7 - Inverter Power Supply Test

4.8 - Inverter Substitution

Procedure for replacing the treadmill's inverter unit.

4.9 - Velocity Motor Replacement

Steps for replacing the treadmill's velocity motor.

5 - Power Subsystem Diagnosis

5.1 - Power Diagnosis Flow Chart

Provides a visual flowchart for diagnosing power subsystem issues.

5.4 - Main Switch Input Check

5.6 - Main Switch Output Check

5.7 - Main Switch Replacement

5.10 - Emergency Buttons Check

5.11 - Power-On Test

5.12 - Filter Board Check

5.13 - Contactor Test

5.14 - Contactor Coil Power Test

5.15 - Contactor Replacement

5.16 - Control Board Power Test

Checks voltage inputs to the control board.

5.17 - Transformer Replacement

5.18 - Control Board Fuse Check

5.20 - Cable and Emergency Button Check

5.21 - Security Switch Test

6 - Gliding Subsystem Diagnosis

6.1 - Gliding Diagnosis Flow Chart

Visual flowchart for diagnosing gliding subsystem issues.

6.2 - Drive Belt Tautness Check

6.3 - Drive Belt Tightening

6.5 - Running Belt Tautness Check

6.6 - Running Belt Tightening

6.7 - Gliding System Replacement

Detailed steps for replacing the treadmill's gliding system.

6.8 - Gliding Subsystem Disassembly

6.9 - Running Belt Replacement

6.15 - Drive Belt Wear Test

6.16 - Drive Belt Replacement

6.19 - Gliding Subsystem Restoration

8 - Setting RS232 Communication in MPH or Km;h

9 - List of Important Replacement Parts

10 - Electric Wiring Diagram

Medisoft 870 S Specifications

General

Brand	Medisoft
Model	870 S
Category	Treadmill
Language	English