WEEKLY PREVENTIVE MAINTENANCE CHECKLIST Doc. No.: GSE/Weekly/Oct. 24 Date.

Required Values/ Observed Values/

Sr. No. Check Point Details Frequency Present Status Remark
Status Status
PV Field
1 Visually inspect for the dirt on modules surface. Clean If necessary. Weekly clean
2 Whether the PV Module glass is broken or not. Weekly not broken
3 Street light checking ( PV Plant Area) Fortnight working
4 Water Pump & pipeline Checking Fortnight working, No leakage
5 Diesel generator check Fortnight working
6 Module Cleaning check Fortnight clean
SMB
7 String current check,SMB cable termination Fortnight working
8 Module Power Characteristics Checking Fortnight working
Control room
Cleanness of Switch room / cable chamber Cleanness of Control room, door, Weekly
9 clean
window, Insulation Mat.
Check that all the doors, fluorescent lights, CFL Lamps, power points are in Weekly
10 good working condition. working

Check for any unusual smell and abnormal hissing sound from the Weekly
11 normal
switchboard
12 Cable trench checking & cleaning Fortnight clean
13 Sectionwise tools verification Fortnight maintain
HT Yard
Observe for normal operation / noise. If any abnormality observed, Weekly normal
14
take necessary action / report to Concern Person.
15 Transformer visual checking,Yard Cleaning Weekly working, clean
16 VCB/CR Panel Checking ,CT checking ,PT checking Fortnight working
17 Lighting arrestor check,Street light checking ( HT Yard) Fortnight working
Inverter
Visually inspect for the dirt & insects inside the cabinet. If necessary clean &
18 Weekly clean
eliminate the reason
19 Clean the surfaces of the inverter room interior & exterior Weekly clean
20 PV inverter filter cleaning Weekly clean
Control Room/CSS
21 Exhaust/ fresh air fan checking, Exhaust duct checking Fortnight clean
22 Fire alarm check,CCTV camera Weekly working
23 LT Switch Board Maintenance Fortnight working
24 Air conditioner filter cleaning Weekly clean
25 First aid Box check Fortnight maintain
LT Panel
26 Check the status of MFM Weekly working
27 LT/Trafo panel filter cleaning Weekly
UPS
28 Cleanness of UPS & batteries Weekly clean
29 Check whether any unusual smell and abnormal hissing sound from the UPS Weekly normal
30 Visual check the burn mark on the battery terminals. Weekly normal
31 Check all Indicators & Display Operation Weekly working
32 AC Input Voltage(Volt) Weekly 230 V
33 DC Input Voltage(Volt) Weekly 72/96/200 V
34 AC Output Voltage(Volt) Weekly 230 V
35 AC Input Current(Amp) Weekly
36 DC Input Current(Amp) Weekly
37 AC Output Current(Amp) Weekly
38 Neutral to Ground Voltage Weekly 0V
39 Frequency(Hz) Weekly 50 HZ
40 Charging current.(Amp) Weekly
41 Temperature Weekly < 45° C
SCADA
42 Desktop maintenance Weekly
43 RTU Maintenance Fortnight
44 OFC checking Fortnight
Structure
45 Structure Earthing link checkup Fortnight connected, tight

Prepared By:- Checked By:- Approved By:

Name: Name: Name:

Signature: ` Signature: Signature:

Date: Date: Date: