Product Advisory Letters (PAL) - FCB

FB46-00001 - Corrosion appears on electrolytic capacitors

FB4605002 - Momentary Power Supply module alarms occur causing FCB Channel Alarms

Product Advisory Letters (PAL) - FOCUS

F046-08001b - V4W may experience high noise levels

F046-08003c - Laser modules may have miswired detectors causing intermittent errors

FT46-00003 - V4W E&M Signaling Fails

FT46-97003 - PLOW Channel Becomes Noisy

FT46-98001 - Y2K Issues

Product Advisory Letters (PAL) - MBT9600

DM46-0100 - Upgrade to Version 211/2.13 for use with SEL351 or SEL321-1 Relays

DM46-98002 - Upgrade to version 2.01

Product Advisory Letters (PAL) - Power-Line Carrier

C046-03002 - PLC Power Supply does not give an alarm when just one of the two dc voltage outputs fails. See also modification kit CC56-02005.pdf

C046-95001 - Transmitter outputs wrong frequency or shuts down during high temperature

C046-96001 - 10 Watt PA fails during high transient or surge conditions

C046-97001 - Receiver output fails if TB1-2 or RB1-5 is connected to station battery negative

C046-97002 - Receiver output varies when frequency switches changed

CC46-00002 - Trip Positive and Trip Negative ratios are not equal

CC46-03001a - Universal Check Back does not function reliability when set for 1 auto checkback per day at a specific time (This PAL takes the place of CC46-02005 and CC46-03001.pdf previously released)

CC46-99002a - Drop out delay too long for transmitter, CLI meter and output fluctuates

CD46-95002 - Keying voltage too low to key checkback

CF46-99001 - Trip Positive and Trip Negative outputs are elongated when driven from station battery

CF46-99003a - Receiver locks up during high transient or surge conditions

CU46-08002a - UPLC firmware upgrade 2.04 solves various operational problems