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Customer Service Advisory

Customer Service Advisory # 001

Date: September 29, 2000
Models: F2100, F2200, F2350, F2500 and F2700 Relay Test Sets
Subject: F2000 Timer "Sense / Time Terminals" polarity.

The F2000 Sense / Time Terminals, shown in Figure 1 are Polarity sensitive when the F2000 is powered off. If Negative Voltage is ever incorrectly applied, the "Timer Protection" fuse will blow. NO damage will be sustained to the F2000 Test Set. This fuse is 0.125 amp.

NOTE: No voltage should be applied to these Terminals when the Set is in "Contact" mode.

    Figure 1

When the set is powered off Connect Positive + here.
When the set is powered off Connect Negative - here.

Customer Service Advisory # 002

Date: September 29, 2000
Models: F2100, F2200, F2350, F2300, F2410, F2500 Relay Test Sets and TR3100, TR3300, TR3400 Circuit Breaker Test Sets.
Subject: Long term Doble Repair Services, Calibration Services and Spare Part Support

Doble Customer Service will continue to provide all Repairs & Calibrations on Doble Models; F2100, F2200, F2350, F2300, F2410, F2500 Relay Test Sets and TR3100, TR3300, TR3400 Circuit Breaker Test Sets until January 2007.

Doble Customer Service will also continue to stock an adequate supply of Spare Parts and Assemblies for these same Test Instruments until January 2007 to fulfill Customers requests.

Doble Customer Service will continue to supply the highest quality parts & service for these Test Sets until January 2007.

After January 2007 Doble will continue to supply application support on these Test Sets, while Repairs, Calibrations and Spare Parts will be subject to limited availability.