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Horizon Fitness 622T Service Manual
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Summary of Contents for Horizon Fitness 622T

  • Page 1 Horizon Fitness 622T Service Manual...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS CHAPTER 1: SERIAL NUMBER LOCATION…………………………..…………3 CHAPTER 2: ENGINEERING MODE 2.1 Engineering Mode…………………….……………….………………………………………….….……..4 2.2 Engineering Mode Overview…………………………………………….…………………………..…….5 CHAPTER 3: ELECTRICAL DIAGRAM 3.1 Electrical Diagram ………………………………………………………………………………...….…….6 CHAPTER 4: TROUBLESHOOTING 4.1 Troubleshooting – No Power to the Console ………………………………………………….………..7 4.2 Troubleshooting – Keypads Not Responding…………………………………………………………….9 4.3 Troubleshooting –...
  • Page 3: Chapter 1: Serial Number Location

    CHAPTER 1: SERIAL NUMBER LOCATION 1.1 Serial Number Location...
  • Page 4: Chapter 2: Engineering Mode

    CHAPTER 2: ENGINEERING MODE 2.1 Engineering Mode 1) To enter Engineering Mode, press & hold the INCLINE UP and SPEED DOWN keys at the same time for 3-5 seconds until Engineering Menu appears on the display. 2) Use the INCLINE or SPEED UP and DOWN keys to scroll through a list of parameters. 3) Press ENTER to enter a parameter setting.
  • Page 5: Engineering Mode Overview

    CHAPTER 2: ENGINEERING MODE 2.2 Engineering Mode – Overview MODE FUNCTION DESCRIPTION ENG 0 Display Test Start Key – LCD/LED on Stop Key – LCD/LED off Any Other Key - Will show on the display window. Hold the STOP key for 3 seconds to return to the Engineering Menu. ENG 1 Hardware Test Motor &...
  • Page 6: Chapter 3: Electrical Diagram

    CHAPTER 3: ELECTRICAL DIAGRAM 3.1 Electrical Diagram...
  • Page 7: Chapter 4: Troubleshooting

    CHAPTER 4: TROUBLESHOOTING 4.1 Troubleshooting – No Power to the Console The power switch is in the on position, but the console will not turn on. Symptom: Reason: 1. The outlet is not providing the correct power, or the power cord / switch is defective. 2.
  • Page 8 CHAPTER 4: TROUBLESHOOTING 4.1 Troubleshooting – No Power to the Console – Continued 4. If the MCB does have power, check the connection of the console cable wire at the MCB and UCB. a. Remove the console cable from the MCB, and use a multi-meter to measure the DC voltage between the “GND pin”...
  • Page 9: Troubleshooting - Keypads Not Responding

    CHAPTER 4: TROUBLESHOOTING 4.2 Troubleshooting – Keypads Not Responding The keypads are not responding when pressed. Symptom: Reason: 1. The keypads are defective. 2. The console is defective. Solution: 1. Press the SPEED UP and INCLINE DOWN keys together for 3 seconds to enter Engineering Mode. a.
  • Page 10: Troubleshooting - No Console Response

    CHAPTER 4: TROUBLESHOOTING 4.3 Troubleshooting – No Console Response The power is on and the console lights up, but the treadmill does not run when keys are Symptom: pressed. Reason: 1. The keypads are defective. 2. The console is defective. 3.
  • Page 11: Troubleshooting - Incline Motor Issues

    CHAPTER 4: TROUBLESHOOTING 4.4 Troubleshooting – Incline Motor Issues Symptom: The incline motor does not move up or down when prompted. Reason: 1. The keypads are defective. 2. The incline motor is defective. 3. The MCB is defective. Solution: 1. Check if the console beeps when the incline keys are pressed. If not, troubleshoot the keypads as outlined in Section 4.2.
  • Page 12: Troubleshooting - Speed Feedback Inaccurate

    CHAPTER 4: TROUBLESHOOTING 4.5 Troubleshooting – Speed Feedback Inaccurate The shown treadmill speed is higher or lower than the actual speed. Symptom: Reason: 1. The treadmill needs to be auto calibrated. 2. The speed sensor wire is unplugged, pinched, or defective. 3.
  • Page 13: Troubleshooting - Noise Issues

    CHAPTER 4: TROUBLESHOOTING 4.6 Troubleshooting – Noise Issues Symptom: 1. Thumping noise twice per rotation on a new machine. 2. Rubbing / grinding noise. 3. High pitched “bell-like” sound from under the motor cover. 4. Banging or clunking sound. 5. Slapping / thunking / squeaking sound with each footstep. 6.
  • Page 14 CHAPTER 4: TROUBLESHOOTING 4.6 Troubleshooting – Noise Issues - Continued 3. This sound is likely caused by the optic disk. a. Check that the optic disk is tight on the motor and not rubbing the speed sensor. 4. The sound is likely due to the unit not being level. a.
  • Page 15: Troubleshooting - Speaker / Audio Issues

    CHAPTER 4: TROUBLESHOOTING 4.7 Troubleshooting – Speaker / Audio Issues Symptom: 1. No sound through the speakers but headphones work. 2. No sound through headphones but the speakers work. 3. No sound through speakers or headphones. 4. IPod not charging. 5.
  • Page 16 CHAPTER 4: TROUBLESHOOTING 4.7 Troubleshooting – Speaker / Audio Issues – Continued 3. There is a bad connection between one of the audio boards and the console. a. Verify the connection of the music player to the dock or audio adaptor cable. b.

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