(a) The fan does not rotate
1. The power is not turned on - The power is turned on 2. The motor does not work - Check the motor wiring or replace the motor 3. The blower head is damaged - Repair the fan or replace 4. The foreign matter in the blower is stuck - Remove foreign matter (2) Increased noise
1, bearing dry lubrication - add bearing grease 2, bearing damage - replace the bearing 3, impeller wear - replace the impeller or pump head 4, solid pieces loose or fall off - tighten the fastener 5, the fan has foreign matter - Remove foreign objects or replace pump heads
(c) Increased vibration
1, bearing damage - replace the bearing 2, the impeller is unbalanced - to remove the foreign body in the impeller or school movement and static balance 3, spindle deformation - replace the spindle or pump head 4, the working state into the earthquake area - adjust the working state, to avoid Earthquake area 5, inlet and outlet air inlet filter plugging - cleaning filter (4) temperature rise
1, the inlet temperature is too high - reduce the air inlet temperature 2, the bearing dry lubrication - plus bearing grease 3, fan efficiency is reduced - remove the dust from the blade or replace the pump head 4, change the working status - adjust the working status 5, increase the ambient temperature - increase the environment ventilation heat
(e) Reduced pressure
1. Decrease of rotation speed of pump head - low power supply voltage or motor failure 2. Increase of pipe network resistance - decrease of pipe network resistance 3. Change of working status - adjustment of working state 4. Motor steering reverse - motor re-wiring (6 ) Decrease in traffic
1. Plugging of inlet and outlet gas filters - Cleaning the filter screen 2. Decrease of pump head speed - Low power supply voltage or motor failure 3. Increased pipe network resistance - Reduced pipe network resistance 4. Increased working status - Adjustment of operating conditions 5 Motor reversal - motor rewiring
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