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During the start-up of GT on gas (frame 6B with Mark V control) flame appearing in all four flame scanners A, B, C & D and immediately disappearing flame in A & B (Can 3 & 4). after the igniters off, again it will appear after 30% speed. C & D is ok all the time.
This problem started just after the MI and same problem appeared during the subsequent four start-up on gas. Other than this problem unit is running without having any problem. Spread and vibration all are normal.
What could be the reason? This GT is having two igniters in Can 1 & 10 and the Igniter ON time is 10 sec on gas start-up.
Thanks in advance for all reply.
Regards,
Joysha
This problem started just after the MI and same problem appeared during the subsequent four start-up on gas. Other than this problem unit is running without having any problem. Spread and vibration all are normal.
What could be the reason? This GT is having two igniters in Can 1 & 10 and the Igniter ON time is 10 sec on gas start-up.
Thanks in advance for all reply.
Regards,
Joysha