Alpha Technologies AMPS80 HP - Manual (Page 81)

79 Doc. #: 026-069-B0 Rev F
7.4 Replacing the T2S Inverter Control Card
CAUTION!
Perform this procedure with the system in bypass mode and/or during a scheduled
maintenance window.
CAUTION!
Ignore error/alarm conditions displayed during initialization. Do not remove any system
components during the initialization sequence. Interruptions to the initialization sequence
can result in software corruption and reduced functionality.
Step 1: Removal
To release the T2S from the shelf, insert a small flat screwdriver in the
square hole under the USB port and lift up the lock pin. Then pull out the
module.
Step 2: Replacement and Initialization
Insert the new T2S into the system. Once inserted, it will take about 10
minutes (or longer with fully loaded systems) for the T2S to initialize with
the inverter modules.
When the T2S is initially
inserted, all LEDS are off
for a few seconds.
Initialization is in progress:
Top 2 LEDs: solid green
Bottom LED: off
DO NOT INTERRUPT
Initialization complete:
Top 2 LEDs : solid green
Bottom LED: flashing green
Figure 56 —
T2S LED sequence during initialization