Hettich MIKRO 22 R Manuals

Manuals and User Guides for Hettich MIKRO 22 R. We have 1 Hettich MIKRO 22 R manual available for free PDF download: Repair Instructions

Hettich MIKRO 22 R Repair Instructions

Hettich MIKRO 22 R Repair Instructions (51 pages)

Brand: Hettich | Category: Laboratory Equipment | Size: 1.02 MB

Table of Contents

Table of Contents
2
1 Introduction

6
2 Description of the New Hettich Centrifuges

7
- Functional Structure of the Mikro 22 / 22 R
  7
- Control Panel (CP)
  7
- Supply Board (SB) A1
  8
- Frequency Converter (FC) A2
  8
- Special Features
  9
- Motor / Tacho System
  9
- Imbalance Switch
  10
- Interlocking
  10
- Cooling
  10
  - Temperature Sensor B1 in the Centrifuge Chamber
    10
  - Function of the Cooling Board (CB) A3
    10
- Fan
  10
- Offset Calibration
  11
- Protection
  11
3 Requirements for Error Identification

12
- Correct Power Supply
  12
- Functional Check
  12
- Procedure for Diagnosing Errors
  12
4 Error Messages

13
- Brief Description
  13
- Description and Elimination of Errors
  15
5 Factory Setting

23
- Control Panel
  23
- Procedure for Initialisation
  23
- Imbalance Mode
  24
- OFFSET Alignment
  24
6 Function Retrievals / Settings

26
- Acoustic Signal
  26
- Hours of Operation
  26
- Slippage of the Drive
  27
- Setting Display Contrast on Control Panel
  27
7 Functional Check

28
- Functional Check at Factory
  28
8 Functional Test

30
- Checking the Proper Working Order
  30
- Proper Working Order after Repairs
  30
9 Assembling and Disassembling Components

30
- Speed Sensor B3 (Speedometer)
  33
- Motor M1 / Vibration Damper
  33
- FC (Frequency Converter)
  33
- SB (Supply Board) A1
  33
- CB A3 (Cooling Board) Only MIKRO 22 R
  33
- A Speed Sensor (Speedometer) B3 X4 A1
  33
- CP (Control Panel) A4
  34
- EPROM at CP
  34
- CC (Control Cables)
  34
- LL (Y1) (Lid Locking)
  34
- BR R1 (Brake Resistor)
  34
- Radio Interference Suppression Filter Z1
  34
- Mains Choke Coil (L1)
  34
- Mains Switch Q1
  35
- O Mains Switch on / off Q1
  35
- Appliance Plug B4, Overvoltage Protection F1
  36
- Imbalance Switch S1
  36
- Temperature Sensor B1 in Centrifuge Chamber
  36
- Temperature Sensor B2 at Condenser
  36
- Fan M3
  36
- Compressor M2
  36
- P Appliance Plug Q Overvoltage Protection
  36
- R Imbalance Switch S1 X3 A1
  36
- T Temperature Sensor (Centrifuge Chamber) B1 X3 A3
  36
- U Temperature Sensor (Condenser) B2 X2 A3
  36
- Lid Spring
  37
- Hinge Block
  37
- Y Hinge Block
  37
10 Speedometer-Code-Position of the Rotors

38
11 Circuit Diagrams

40
12 Technical Specifications

51

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