Frequently Asked Questions about 7VUDS039IB01
What does the diagnostic readout 001000 mean?
The diagnostic readout 001000 has a fault number FL72 and fault name ARMOP and means the armature circuit is open (L, T).
-The DC fuse is blown (regenerative drives only).
-The armature circuit is open.
-The brushes are missing or disconnected.
-The 5PL is disconnected or damaged.
-The main contractor is not picking up -check the piolet relay operation.
-Loss of current feedback - check 1PL-20 and DRPL.
-P2-CFB ZERO on the Power Supply card is misadjusted.
-Power Supply card has failed and needs to be replaced.
-The Control card has failed and needs to be replaced.
What does the diagnostic readout 001001, 001010, 001011, 001100, 001101, 001110 mean?
The diagnostic readout 001001, 001010, 001011, 001100, 001101, 001110 has a fault number FL73, FL74, FL75, FL76, FL77, FL78, and fault names A1ROP, A2ROP, A3ROP, A4ROP, A5ROP, A6ROP (respectively) means the SCR AXR is not operating (L, T), where "X" = 1,2,3,4,5,or 6.
-The low current test maybe enabled - run a high current test.
-The Gate circuit is disconnected or open.
-The 5PL is disconnected or damaged.
-The SCR has failed - check and replace if necessary.
-Replace Power Connection card.
-Replace Control card.
What does the diagnostic readout 001111 mean?
The diagnostic readout 001111 has a fault number FL79 and a fault name REVOP and means all of the reverse SCRs are not operating (L, T).
-The low current test may be enabled - run a high current test.
-The 5PL is disconnected or damaged.
-The ADR002-REGJP is not set correctly for non-regenerative drives.
-Replace Power Connection card.
