Georator T3UPS-13-20K, Instruction Manual

Page: 71 / 98

9.
HELP
Abnormal Description & Checkpoint Solution
(1) AC input is
correct, but
rectifier does
not operate and
RECT AC
FAIL LED
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.
lights up.
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
→
Correct the R.S.T. phase
sequence. Generally, to
exchange any two phases
connection can solve this
problem.
STATUS/WARN menu). ROTATION
ERROR LED on left side of the front
panel will also light.
If the abnormality cannot be corrected Refer to PCB LED
when the solution actions have been taken. Detecting Guide and check
the 3C PCB.
(2) The UPS
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 UPS
control circuit
The reserve breaker has not been closed
(switched on). Close the reserve breaker.
and LCD
3B PCB has problem. Refer to PCB LED
cannot display.
Detecting Guide and check
the 3B PCB.
9-1