OnLine Power Power Wave 4 - Manual (Page 94)

6005-145 Rev. A 9-9
9.5.4 HELP
Followings are some abnormal situations frequently asked and common solution
is offered for trouble-shooting.
Abnormal Description & Checkpoint Solution
(1) AC input is
correct, but
rectifier does
not operate and
RECT AC
FAIL LED
lights up.
The rectifier breaker is not switch on. Switch on the rectifier
breaker.
The input voltage is not correct (out of the
normal range). Connect the right AC
source.
The phase sequence of AC input is
incorrect, input rotation error, and the
LCD will display warning message
“RECT PHASE ERROR” in the
STATUS/WARN menu (MAIN menu →
SELECT menu → STATUS/WARN
menu). ROTATION ERROR LED on left
side of the front panel will also light. Correct the R.S.T. phase
sequence. Generally, to
exchange any two phases
connection can solve this
problem.
If the abnormality cannot be corrected
when the solution actions have been
taken. Refer to PCB LED
Detecting Guide and check
the 3C PCB.
(2) The ELI
shuts down
under AC
mains failure.
The battery fuse (breaker/holder/dis-
connector) has not been closed. Close the battery fuse
breaker/holder/dis-
connector.
(3) No power
supply for ELI
control circuit
and LCD
cannot display.
The reserve breaker has not been closed
(switched on). Close the reserve breaker.
3B PCB has problem. Refer to PCB LED
Detecting Guide and check
the 3B PCB.