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Technical Publication Document NO: SYSTEM-007-ENG (Ver.1.1)
HF-525Plus Installation, Operation and Service Manual
12.4.7 IGBT_OCP trouble or Error Pro - I- - error (XR7-FnD Board)
1) Consist of PCB
2) Check procedure
(1) Board Name: XR7-FnD Board
(2) Functions: Controlling IGBT and Tube Filament
(3) Check wiring condition of XR7-FnD Board and check IGBT_OCP trouble when IGBT Device signal and
protection circuit troubles. And check procedures are as follows.
12.4.8 DRV _ PWR _ UVP trouble or Error Pro - - P – error (XR7-FnD Board)
Displayed on console
(Error Pro -I--)
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