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Hettich UNIVERSAL 32 R User Manual

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© 02.04 AR071GB
Andreas Hettich GmbH & Co. KG Gartenstraße 100 D-78532 Tuttlingen Germany
Phone: (07461) 705-0 Fax: (07461) 705-125 Internet: www.hettichlab.com e-mail: info@hettichlab.com, service@hettichlab.com
Repair instructions
UNIVERSAL 32
UNIVERSAL 32 R

Table of Contents

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Hettich UNIVERSAL 32 R Specifications

General IconGeneral
Temperature Range-20°C to +40°C
Capacity4 x 100 ml
Control PanelDigital
Power Supply230V, 50/60 Hz
TypeCentrifuge
Max Speed15000 rpm
Timer1 sec to 99 hours 59 min
MotorBrushless

Summary

Centrifuge Component Description

Control Panel (CP) Functionality

Describes the control panel as the central unit managing centrifuge operations and inputs.

Supply Board (SB) Role

Explains the functions of the power supply board, including voltage distribution and signaling.

Frequency Converter (FC) Operation

Details the frequency converter's role in motor power supply, control, and fault monitoring.

Error Identification Requirements and Procedures

Diagnosing Centrifuge Errors

Methodical approach to identifying and resolving detected centrifuge faults.

Centrifuge Error Messages and Solutions

Brief Error Message Descriptions

A summary table of error designations, numbers, brief descriptions, and page references.

Detailed Error Description and Elimination

Specific troubleshooting steps for TACHO-ERROR 01 and TACHO-ERROR 02.

IMBALANCE Error Troubleshooting

Explains the imbalance error cause, consequences, and recommended remedies.

CONTROL - ERROR 04: Lid Status

Details the error related to the lid being unexpectedly open during centrifugation.

N > MAX 05: Excessive Speed Error

Describes the error for exceeding maximum speed and its troubleshooting.

ROTORCODE 10: Invalid Rotor

Addresses errors caused by invalid or unreadable rotor codes detected at startup.

MAINS INTERRUPT Error

Explains errors resulting from interruptions in the mains power supply during operation.

N < MIN 13: Insufficient Speed

Details errors related to insufficient motor speed or excessive slippage.

CONTROL - ERROR 21-26: CP Internal Errors

Explains various internal errors detected within the control panel (CP) unit.

N > ROTOR-MAX: Speed Limit Exceeded

Addresses errors for exceeding the maximum permissible rotor speed or RCF.

SER I/O - ERROR 30 & 31: CP/FC Communication

Troubleshooting for serial communication failures between the Control Panel and Frequency Converter.

SER I/O - ERROR 33: FC Data Reception

Addresses issues with the Control Panel not receiving correct data from the Frequency Converter.

Factory Settings and Initialisation

Centrifuge Initialisation Procedure

Step-by-step guide for initialising the centrifuge, especially after FC replacement.

OFFSET Alignment Process

Process for aligning the temperature sensor and control panel electronics for accurate readings.

Centrifuge Functional Checks

Functional Testing and Verification

Post-Repair Verification

Additional checks required to ensure the centrifuge operates correctly after repairs.

Tacho Code Configuration

Component Assembly and Disassembly

Circuit Diagrams: Mains and Supply Board

Supply Board (SB) Circuit Diagram

Detailed schematic of the supply board, showing components and internal connections.

Supply Board (SB) Component Layout & Connections

Visual guide to component placement and external wiring on the supply board.

Control Cable Signals: CP to SB

Explanation of signals transmitted via the control cable between the Control Panel and Supply Board.

Control Board (CP) Block Diagram

Block diagram illustrating the internal structure, inputs, and outputs of the control board.

Frequency Converter (FC) Block Diagram & Signals

Block diagram of the FC and its control cable signals, showing interaction with the Supply Board.

Frequency Converter (FC) Connecting Diagram

Schematic showing the Frequency Converter's connections to the motor and other components.

Technical Specifications

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