OPTI-UPS DS120KC33 - Manual (Page 47)

8 DS-C33 Series troubleshooting
8-1 Simple troubleshooting chart
Error message displayed Error description Troubleshooting
Input over-voltage (1)Utility voltage is too high
Recover utility to +/-20% or
below
(2)Ol-3320 detects circuit error Replace ol-3320
(3)Ol-3300 feedbacks circuit error Replace ol-3300
(4)Ol-3300 program parameter is
too high
Correct program parameter
Input under-voltage (1)Utility voltage is too low
Recover utility to +/-20% or
below
(2)Ol-3320 detects circuit error Replace ol-3320
(3)Ol-3300 feedbacks circuit error Replace ol-3300
(4)Ol-3300program parameter is too
low
Correct program parameter
Input over-current (1)Load is over for 125% above Unload to 100% below
(2)Ol-3316 feedbacks circuit error Replace ol-3320
(3)Ol-3300program parameter is too
high
Correct program parameter
(4)SCR component damaged Replace SCR component
(5)Ol-3302 trigger signal to SCR is
abnormal
Replace ol-3302
(6)Ol-3302controlerror Replace ol-3302
Input frequency is too high (1)Utility frequency is too high Recover frequency to +/-3Hz
(2)Ol-3320 detects circuit error Replace ol-3320
(3)Error on ol-3300 zero point
detects circuit
Replace ol-3300
(4)Error on ol-3300program
diagnose
Replace program
Input frequency is to low (1)Utility frequency is too low Recover frequency to +/-3Hz
(2)Ol-3320 detects circuit error Replace ol-3320
(3)Error on ol-3300 zero point
detects circuit
Replace ol-3300
(4)Error on ol-3300 program
diagnose
Replace program