Sedecal SHF-310 - Page 288

HF Series Generators
T roubleshooting
TR-1005R4
48
B. WRONG SIGNAL --FIL1 ACK
Perform the following diagnosis if after pressing “Prep” the Error Code “E15” appears on the Console
and after reseting it, the Console displays Error Code “E04”.
Check if K7
is ac tive when
selecting FIL1*.
Press Prep?
Is it ac tive?
Check and REPAIR
link P1-8 HT Controller
& P4-22 Interface Board
Check Signal --FIL1
SCL in P1-13 at HT
Controll. Is it OK?
Press “Prep”
and check --FIL1 ACK at
Interface Board (P4-22).
Is it Low Level?
Check --FIL1 ACK
at Interface Board in
P1-8 at HT Controller.
Is it ok?
Replace
HT Controller Board
Check and fix
link P1-13 in
HT Controller
with P4--19 in
Interface Board
NOTES
1) FIL1 is Small Focus in Tube1 and it is Large Focus in Tube2.
2) FIL1 SLC is activated when selecting FIL1 during S tand by
for RAD Tubes. For R&F Tubes it is activated at “Prep”.
YES
YES
NO
NO
YES
NO
Check signal
FIL1 SLC at P 4-19
Interface Board.
Is it at Low Level when
selecting FIL1*?
NO
Replace
Interface Board
YES
YES
START
NO
Replace
HT Controller Board