Previous ONU frequently becomes unstable/hang. So replace the ONU.


Previous ONU frequently becomes unstable/hang. So replace the ONU.
DTW-211 CCTV power is taken from main ups. Do not get sufficient backup from ups and frequently fault occurs.
1.DTW-103 New VFD Controller Install 2. Parameter set 3.Serial Communication Cable Wiring Work Done
1.VFD Controller Damage 2. Emergency Switch control Open circuit Fault Found. Now we change a VFD Controller and Maintenance the control circuit Now…
Problem: PIT value does not showing in the SCADA & field device.Problem found: PIT 24v AC supply fuse damage found & maintenance. now…
Problem: When the pump is stopped and normally shuts off, a fault automatically occurs in the mov. In this case the valve is…
Problem: SCADA always showing HI signal. Problem found: 1 NOS float switch problem found. A good sensor in HIHI position is replaced with…