A90 series Inverter User Guide In order to make the inverter work for a long time, it is necessary to maintain and replace it regularly for the service life of the internal parts of the inverter. The service life of the inverter components varies depending on the environment of use and the conditions of use. Table 7-2 Frequency changer part replacement time The conditions for the replacement of the inverter parts listed in the table above are: Ambient temperature: 40 ° C. Load factor: 80% or less. Running time: 12 hours per day or less. 7.2 Warranty Instruction for Inverter SINEE will offer the warranty service if inverter has the following conditions:
or is damaged within 12 months during normal use; if inverter has a fault or is damaged outside Warranty is only for inverter; the warranty service will be provided to inverter that has a fault the 12-month period during normal use, reasonable maintenance charge is required. There is maintenance charge for any following damage occurred in 12 months:
Do not operate in accordance with the instructions in this guide Wiring error caused the inverter damage; Self-disassemble caused the inverter damage; Due to floods, fires, voltage abnormalities caused the inverter damage; Bad environment caused damage to the inverter, especially the inverter used in conductive dust, salt spray, corrosive gases, condensation, oil, vibration and other severe environment caused damage, not within the warranty. The costs of the services are calculated according to contract. 39 Cooling fan Whether there is abnormal sound or vibration. Whether the accumulated running time has reached to 20,000 hours. Replace the cooling fan.
Electrolytic Capacitor If there are phenomena of changing color, foreign odor and blister. Replace the electrolytic capacitor. Part Name Standard years of replacement cooling fan 2 to 3 years Electrolytic capacitors 4 to 5 years