Table of Contents
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Table of Contents
Related Manuals for Grant JBN Series
Summarization of Contents
Introduction
1.1 Service Address
Contact information for Grant Instruments service department for assistance.
1.2 Servicing Advice
Guidelines for qualified personnel on maintenance and repair procedures.
1.3 Cautions & Warnings
Explains the meaning of CAUTION and WARNING statements for user safety.
1.4 Electrical Safety
Requirements for safe connection to AC power supply and earth grounding.
Product Description
2.1 SAP, JBA & JBN range
Overview of available models, tank sizes, and voltage types.
2.2 Basic Description
Describes the construction and major components of the water bath.
2.3 Dismantling a unit
Step-by-step instructions for disassembling the water bath.
2.4 Reassembling the unit
Guidelines for reassembling the water bath after servicing.
2.5 System Schematic & Interconnect Diagram
Visual representation of the unit's electrical connections and components.
Common service tasks
3.1 Resetting the Over-temperature Cut-out
Procedure to reset the over-temperature cut-out if activated.
3.2 Replacing a tank, heater and probe assembly
Instructions for replacing the main tank, heater, and probe unit.
3.3 Replacing the fuses
Guidance on identifying and replacing fuses on the PCB.
3.4 Replacing Control and Display PCB
Steps for replacing the main control and display circuit board.
Fault Diagnostics and Test
4.1 Test Equipment & Tools Required
Lists necessary tools for diagnosing and testing the unit.
4.2 Testing and Fault finding
General approach to troubleshooting and verifying unit function.
4.3 Final Tests – Electrical Safety
Procedures for ensuring electrical safety after repairs.
4.4 List of display messages
Explains operational and error messages displayed by the unit.
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