Please Make Regular Maintenance To Power Supply For Longer Working Life
I.Transportation
Shutdown power supply before transportation, and disassemble all connection lines. No upside down during transportation. Transport and lift up the power supply according to the weight, do not climb or stand on it.
II.Storage
Do not locate power supply on uneven surface. Keep the power supply indoor with proper temperature and humidity, away from direct sunshine, rain and high humidity conditions. Keep the power supply away from fire and other heat sources. Keep the power supply at least 10cm distance from surrounding and keep good ventilation. Working ambient temperature: –10℃～+45℃, RH: 0～90% Please keep power supply from flammable gas and corrosive material.
III.Maintenance
Keep installation site clean and dry. Check the power supply functions regularly. Do not put heavy things or tools on power cord in case of damages to power cord insulation, do not locate power cord on passages where has frequent people walking around. Please keep the power supply ventilation holes from fiber, paper, saw dust or metallic chips for safety!
Wearing Parts Replacing
DC power supply wearing parts are mainly cooling fan and filtering capacitor, their life depends on working environment and maintenance status, and commonly their life are as below:
Component name
Life
FAN
1 ~ 2 years
Electrolytic capacitor
2 ~ 3 years
Customer could decide replacement time based on actual working status.
1.Cooling fan
Possible causes: bearings worn-out, vane aged. Criteria: Check any rips on the vane or whether any abnormal sound when start-up.
2.Filtering electrolytic capacitor
Possible causes: input unstable, too high environment temperature, frequent jump of load, electrolytic capacitor aged. Criteria: Check whether any liquid leak out, safe valve extruded; measure the electrostatic capacitor & insulation resistance.
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