AGT INDUSTRIAL AGT-B1000 Product Manual - Page 14

Browse online or download pdf Product Manual for Lifting Systems AGT INDUSTRIAL AGT-B1000. AGT INDUSTRIAL AGT-B1000 19 pages. Two-post auto lift

7 - Troubleshooting Guide

Malfunction
1.Check the air switch.
2.Check if the voltage is
correct.
The motor does
3.The motor burned.
not work
4.Start switch burned.
5.Top limiter switch burned.
6. AC contactor burned.
1 .Pressure valve pressure is
too small.
The motor works
2.Pump station takes in air.
3. Hydraulic oil suction hose is
but can't lift
detached or broken.
4 . Insufficient hydraulic oil
1. Safety lock engaged
2. Other object inside the
Does not
columns stops the carriage.
lowering
3 . The flow valve needs to be
adjusted.
1.Dump valve failure.
2 .Hydraulic oil leaks.
Self- Lowering
3. The valve body of the power
unit has holes.
1.The voltage is too low.
Raise without
2. Objects in the dump valve.
load, but does't
3 . The pressure valve
raise with load
pressure is too small.
4 . Overload.
Lifting is not
1.The cables are not
leveled
balanced.
1.After raising to the highest
point, the motor is still working
and the top limiter switch is
Loud motor
disabled.
noise
2 . Hydraulic oil pollution.
3 .Overload.
Troubleshooting Guide
Possible reason
Page 14 of 19
Solution
1. Turn off or replace the air switch.
2. User correct power supply.
3. Replace the motor.
4. Replace the start switch.
5. Replace the top limiter switch.
6 . Replace the AC contactor.
1 . Colockwise adjust the pressure valve
( fine adjustment).
2 . Unscrew check valve on the power
unit, and then start the motor until
hydraulic oil flows out from the check
valve, then tighten the check valve.
3 . Install/ replace the suction hose.
4. Fill more hydraulic oil.
1 .Slightly raise the device and then
pull the safety lock release cable.
2. Check and remove the objects.
3 . Counterclockwise adjust the flow
valve( fine adjustment) .
1 Replace the dump valve.
2.Check and repair.
3.Replace the valve body.
1. Install the voltage stabilizer.
2. Remove objects from the dump valve.
3. Increase pressure properly ( fine
adjust the pressure valve) .
4. This operation is prohibited.
1. Balance cables by adjusting the
cables' length.
1. Replace the top limiter switch.
2 . Replace the hydraulic oil.
3. This operation is prohibited.