Fault diagnosis of elevator
Faults Possible Problems Solutions SOLUTION
Platform cannot lift
• The ground selective switch is not in the correct position
• Platform overload
• Lift button operation error
• Panel connection wear
• The battery is dead
• Check the line voltage • Select switch to platform position
• Remove some weight
• Reset button
• Repair or replace the cable
• Recharge
• Repair or replace the circuit
Electric pump does not work
• Reset button does not work
• The battery is dead or damaged
• poor battery connection
• Check the power cord is tight
• Repair or replace the contactor
• Recharge or replace the battery
• Clean and fasten the plug end
Insufficient voltage
• Hydraulic pump does not work properly
• Part pressure needs to be calibrated
• Hydraulic oil leaks at wiring connections, pipes or components
• Hydraulic component failures • Repair or replace the pump
• Calibration (contact after-sales service)
• repair or replacement
• Replace parts (contact service provider)
Hydraulic pump noise
• Insufficient hydraulic oil
• The pipe or connector is damaged or loose • Make up with hydraulic fluid (do not overfill)
• Repair, tighten or replace
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