Hettich MIKRO 22 User Manual

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TABLE OF CONTENTS
1. INTRODUCTION...................................................................................................... 6
2. DESCRIPTION OF THE NEW HETTICH CENTRIFUGES ...................................... 7
2.1. Functional structure of the Mikro 22 / 22 R ...................................................... 7
2.2. Control panel (CP) ........................................................................................... 7
2.3. Supply board (SB) A1 ...................................................................................... 8
2.4. Frequency converter (FC) A2 .......................................................................... 8
2.5. Special features ............................................................................................... 9
2.6. Motor / Tacho system ...................................................................................... 9
2.7. Imbalance switch ........................................................................................... 10
2.8. Interlocking .................................................................................................... 10
2.9. Cooling........................................................................................................... 10
2.9.1. Temperature sensor B1 in the centrifuge chamber ................................. 10
2.9.2. Function of the cooling board (CB) A3 .................................................... 10
2.10. Fan................................................................................................................. 10
2.11. Offset calibration............................................................................................ 11
2.12. Protection....................................................................................................... 11
3. REQUIREMENTS FOR ERROR IDENTIFICATION .............................................. 12
3.1. Correct power supply..................................................................................... 12
3.2. Functional check............................................................................................ 12
3.3. Procedure for diagnosing errors .................................................................... 12
4. ERROR MESSAGES ............................................................................................. 13
4.1. Brief description ............................................................................................. 13
4.2. Description and elimination of errors.............................................................. 15
5. FACTORY SETTING ............................................................................................. 23
5.1. Control panel ................................................................................................. 23
5.2. Procedure for initialisation.............................................................................. 23
5.3. Imbalance Mode ............................................................................................ 24
5.4. OFFSET alignment ........................................................................................ 24
5.4.1. OFFSET value ........................................................................................ 25
5.4.2. Procedure for performing an OFFSET alignment.................................... 25
5.4.3. Note for temperature sensor in centrifuge chamber................................ 25

Hettich MIKRO 22 Specifications

General

Brand	Hettich
Model	MIKRO 22
Category	Laboratory Equipment
Language	English