Pls, Help me! Chiller 30GX have alarm

[tycon]

Hello everyone!
Chiller Carrier 30GX sometimes have alarm code 113 & 313: "Compressor A1 & B1 Star-Delta start-up failure". 02 Chillers has used 9 years old. They hadn't any privious that alarm. Althought,I replaced new SCPM board, new Contactors, new C.T... still happen it. Do anyone can help & give me the solution to solve that problem.
Notes: Chiller is modified to use the Motor Manager for each Compressor.3966

[Gibbo]

As you don't seem to answer any of the guys questions suggest you get a carrier service engineer to site.

[goshen]

Hello everyone!
Chiller Carrier 30GX sometimes have alarm code 113 & 313: "Compressor A1 & B1 Star-Delta start-up failure". 02 Chillers has used 9 years old. They hadn't any privious that alarm. Althought,I replaced new SCPM board, new Contactors, new C.T... still happen it. Do anyone can help & give me the solution to solve that problem.
Notes: Chiller is modified to use the Motor Manager for each Compressor.3966
Hi
you might want to check your control voltage supply
voltage drop could cause starter failure.
or possibly a faulty starter card!
good luck:D