Esco SCR-2A2 User Manual

Thank you for purchasing this Esco Polymerase Chain Reaction
Cabinet. Please read this manual thoroughly to familiarize yourself
with the many unique features and exciting innovations we have built
into your new equipment. Esco provides many other resources at our
website, www.escoglobal.com, to complement this manual and help
you enjoy many years of productive and safe use of your Esco
products.
Esco Technologies, Inc.
903 Sheehy Drive, Suite F, Horsham, PA 19044, USA
Tel 215-441-9661 • Fax 484-698-7757
escolifesciences.us • eti.admin@escoglobal.com
Rest of World
Esco Micro Pte. Ltd.
21 Changi South Street 1 • Singapore 486 777
Tel +65 6542 0833 • Fax +65 6542 6920
www.escoglobal.com • mail@escoglobal.com
Esco Polymerase Chain Reaction Cabinets
(SCR-2A, PCR-3A, PCR-4A)
Service Manual Version E - Released January 2021
North America
Service Manual
Polymerase Chain Reaction
Cabinets
DOMINIQUE DUTSCHER SAS

Esco SCR-2A2 Specifications

General

Power Supply	220-240V, 50/60Hz
UV Light	Optional
Insulation	Polyurethane foam
Refrigerant	R134a
Controller	Microprocessor
Display	Digital
Airflow	Forced air convection

Summary

Chapter 1 - Re-Certification by Service Personnel

1.1 Certification Flowchart

1.2 Airflow Adjustment

1.3 Unit Re-Certification

Details the procedures for re-certifying the cabinet, including airflow and filter tests.

1.4 Replacement of Filter

Provides instructions for replacing the filter in SCR-A and PCR-A models.

1.5 Replacement of Blower

Guides users through the process of replacing the blower assembly for SCR-A and PCR-A units.

1.6 Fluorescent Lamp and UV Lamp replacement

Explains the procedures for replacing fluorescent and UV lamps within the cabinet.

Warranty Terms and Conditions

Declaration of Conformity

Chapter 2 - Troubleshooting

Problem 1 - Cabinet does not start

Provides troubleshooting steps for when the cabinet fails to start, covering power issues and component checks.

Problem 2 - Blower does not function

Offers solutions for blower malfunction, including checks for fan status, fuses, capacitors, and motor faults.

Problem 3 - Airflow is not at nominal velocity

Addresses issues with incorrect airflow, suggesting checks for external interference, filter loading, and motor voltage.

Problem 4 - Contaminated samples

Problem 5 - Excessive fan noise

Problem 6 - Blank LCD

Problem 7 - Inoperative buttons

Problem 8 - Lights always OFF

Problem 9 - Cannot turn on UV lamp

Chapter 3 - Product Specifications

3.1 Technical Specifications Summary