Bernina Q Series Service And Maintenance Manual

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User manual (78 pages)

Assembly instructions manual (26 pages)

Table of Contents

Table of Contents
Chapter 1 - General Information
General Regulations and Safety
Warning: Dangerous Voltage Levels
ESD-Related Note: Electrostatic Discharge (ESD)
ESD Setup for Frame Installed Repair Process
Tools and Gauges
Handling and Adjustments
Main Frame
Abbreviations / Names Used
Cleaning
Technical Details by Model
Chapter 2 - Electronics and Wiring
BERNINA Q Series Block Diagram
PCBA Base - General Information
PCBA-Base
PCBA CPU Module (ARM9) - General Information
PCBA CPU Module / ARM9
PCBA Quilt Extension - General Information
PCBA Quilt Extension
PCBA Power Supply
PCBA Upper Interface
PCBA Lower Interface
PCBA Detection
Upper Thread Detection
Threader Detection
PCBA Position
PCBA Presser Foot Height Sensor
Cable Harness
Head Frame Side
Main Electronics Side
Handling of Electronic Components
Returning Defective Electronic Components
Repairs of Electronic Components (Pcba's)
Chapter 3 - Electronic Troubleshooting
Symptoms Overview
Electronic Support
Information about the Four Main Pcbas
PCBA Base
Indication Lights
Circuit Board Labelling
PCBA CPU Module
Indication Lights
Circuit Board Labelling
PCBA Power Supply
Dynamic Breaking
Circuit Board Labelling
PCBA Quilt Extension
General Information
LCD Cable
Circuit Board Labelling
Foot Control and BSR Interface
Foot Control Signal
BSR Signals
Error Messages
Gears Error in Sewing Mode
Possible Causes
List of Errors
Fixing Errors
Troubleshooting
Symptoms and Repair Approach
Machine Not Booting/ "No Power"/ "Dead
Nothing Is Displayed, Stepper Motors Are Initializing
Display Shows Lines or Wrong Colours
Touch Not Responding
Machine Is Stuck in a Boot Loop/ Only Starts up to BERNINA Logo
Upper Main Shaft Position Is Not Synchronized
Flow Charts
How to Read Flow Charts
Overview
Not Booting to Black Start Screen
Application Not Starting
Error Messages
Touch Not Working
Stepper Motors
BSR Not Working
Main Drive Not Working
Sewing Light
Applications (Service Program)
Peripherals (Service Program)
Chapter 4 - Removal and Refitting of Components
Covers
Head Covers / Front / Back / Thread Guide and Display
Belt Cover
Inside Cover
Hook Cover and Needle Plate Base
Electronics and Sensors
BERNINA Stitch Regulators (BSR)
Winder Unit
PCBA Upper Interface
PCBA Lower Interface
PCBA Position
PCBA Base
PCBA Base / Electronics Frame
PCBA CPU Module
EEPROM (Electrically Erasable Programmable Read-Only Memory)
PCBA Quilt Extension
PCBA-Power Supply
LED Sewing Light Upper Frame
LED Sewing Light Head Frame
PCBA Presser Foot Height Sensor
PCBA Detection - Threader Sensor
PCBA Detection - Upper Thread Observer (UTO)
Main Motor
Presser Foot Height / Upper Thread Monitor Sensor Unit
Mechanical Components / Stepper Motors
Rotary Hook / Hook Gib / Thread Guide Plate / Cutter and Basket
Thread Tension Stepping Motor
Thread-Tension and Stepping Motor Unit
Front Hand Wheel Module
Regulator Spring
Threader Head
Needle Clamp
Thread Take-Up Lever
Presser-Foot Lifter Stepping Motor
Needle Bar
Needle Bar Basic Alignment
Needle Bar Additional Alignment
Replacement of the Lower Thread Cutter
Replacement of the Upper Thread Cutter
Handles for Frame Version Machines
Chapter 5 - Settings
Basics - General Information
Belt Tensions
Upper / Base Shaft Belt Tension
Take up Lever Drive Belt Tension
Drive Motor
Take up Lever / Needle Bar Timing
Presser-Foot Fixation
Needle Adjustment
Needle Distribution Left/Right
Needle Distribution Front to Back
Hook - Needle Drive Synchronization
Hook / Driver Play
Loop Lift
Hook/Needle Distance
Needle Holder Alignment (Twin Needle)
Needle Height
Bobbin Case Retainer Stopper
Synchronization Disc
Presser Foot Height
Needle Threader
Thread Regulator
Upper Thread Tension
How to Load the Patch on an USB Stick
How to Check the Quilting Quality
Quality Table
Upper Thread
Lower Thread
Lower Thread Tension (Bobbin Case)
Winder
Chapter 6 - Service Program
Menu 1 - Service Information
Machine Basic Data
Machine Soft- and Firmware Data
Machine Operating Time Data
Machine Stitch Counter Data
BSR (BERNINA Stitch Regulator) Data
Machine Servicing Data
Customer Information
Dealer Information
Log File
Menu 2 - Touch and Display
Touchscreen Calibration
LCD Display (Screen)
Blank Dark LCD Display (Screen)
Blank White LCD Display (Screen)
RGB (Red, Green and Blue) Screen
Menu 3 - Sensors (Mounting Locations in the Machine)
Threader Sensor
Overlift Presser Food Switch
Upper Thread Sensor
Bobbin Winder Switch
Menu 4 - Signals
Function of the Handle-Buttons
Foot Control
BERNINA Stitch Regulators (BSR)
PCBA-Position
Mechanical Fine-Adjustment of Synchronization Disk
Speaker
BSR Interface
Laser Test
Menu 5 - Stepping Motors (Mounting Locations in the Machine)
Presser-Foot Pressure Stepping Motor
Upper Thread Tension Stepping Motor
Bobbin Winder Motor
Menu 6 - Adjustments
Resetting to Factory Settings (Reset All)
Automatic Upper-Thread Tension
Main Motor Test
Chapter 7 - Lubrication
Thread Take up Lever, Needle Bar Drive
Needle Bar, Presser Foot Bar
Hopper Cam
Presser Foot Bar Guide
Hook, Hook Drive
Chapter 8 - Firmware Update
Standard Update Procedure
Update - Alternative Access
Chapter 9 - Maintenance Guidelines
Purpose of the Maintenance Guidelines
Explanatory Notes on the Stitch- and Hour Counter
When Is a Cleaning Message Displayed
When Is a Maintenance Message Displayed
Calculation Table
Implementation of the Maintenance Intervals
Maintenance Intervals
Cleaning- and Service-Stitch Reset
Wear-And-Tear-Parts Definition
Non-Operating-Related Parts
Operating Related Parts
Maintenance Checklist
Measures to be Taken before the Maintenance
Measures to be Taken after the Service
Functional Check
Maintenance Checklist BERNINA Q Series
Chapter 10 Document Revision History

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Service - and Maintenance Manual

BERNINA 16

BERNINA International AG

Seestrasse 161

CH-8266 Steckborn

Switzerland

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