OnLine Power Power Wave 4 - Manual (Page 96)

6005-145 Rev. A 9-11
Abnormal Description & Checkpoint Solution
(6) Fans do not
work while
ELI is on.
The fuses positioned behind PCB holder
have been blown or are not installed
properly. Replace the fuses or install
them properly.
Abnormal voltage output in R phase. Refer to PCB LED
Detecting Guide and check
the 3T PCB of R phase.
(7) The
rectifier shunt
down and
HIGH DC
LED is lit.
Voltage limit function failure in the 3B,
which contributes to the DC voltage,
goes over 430V. Refer to PCB LED
Detecting Guide and check
the 3B PCB.
3C PCB has problem. Refer to PCB LED
Detecting Guide and check
the 3C PCB.
(8) Abnormal
voltage in
reserve.
RESERVE AC FAIL LED lights up.
LCD menu also displays the abnormal
voltage in reserve. (REAL TIME DATA
menu → RESERVE DATA menu). Check the reserve wiring
and connect with the
correct source.
Fuse has blown in 3A PCB Replace the fuse.
If the abnormality cannot be corrected
after the solution actions have been
taken. Refer to PCB LED
Detecting Guide and check
the 3A PCB.
(9) Abnormal
frequency in
reserve.
RESERVE FREQ FAIL LED lights up.
LCD menu also displays the abnormal
voltage in reserve. (REAL TIME DATA
menu → RESERVE DATA menu). Check the reserve wiring
and connect with the
correct source.
Fuse has blown in 3A PCB Replace the fuse.
If the abnormal cannot be corrected after
the solution actions have been taken. Refer to PCB LED
Detecting Guide and check
the 3A PCB.