11/01/2016
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No.
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Problem
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Reason
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Check
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Tips
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1
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Suction can not work in normal in operation.
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Suction switch closed.
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Check the suction switch.
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Open the suction switch.
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Suction pipe inside of box bended.
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Remove operation panel, check the suction pipe.
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Re-fix the suction pipe well.
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2
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Suction is powerless in operation.
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The switch of suction is closed or filter is blocked.
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Check the switch of suction and the internal filter.
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Open the suction switch, clean inner filter core
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Suction generator is blocked
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Remove the dirt bottle to check whether the suction generator is blocked.
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Clean the suction generator and re-fix it back.
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Dirt bottle didn’t tight well, or crack with the cover, air leaking
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Check the dirt bottle, check the bottle cover.
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Tight the dirt bottle or replace the cover.
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3
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Water and air leakage in 3-way syringe
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The core of 3-way syringe is not restored, or have impurities or O-ring is failed.
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Check the water and air button of 3-way syringe
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Clean or replace the o-ring.
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4
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Handpiece can not spray water while rotating.
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Distilled water has been used up.
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Check the water volume of water tank.
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Add some more water
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Air switch of water bottle does not open or can not work
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Check the air switch of water bottle
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Open the air switch or replace it
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Water volume regulator was closed.
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Check the water volume regulator.
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Adjust the water volume regulator or replace it.
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5
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Handpiece water leaking when not in operation.
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Air & water distributing valve fails to function, or there is impurities in core.
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Remove one side of the valve, take out faucet, spring and valve core, check the O ring.
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Clean the valve core or replace the O ring.
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The foot control is not restored.
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The pressure gauge does not decrease when foot control is put up. Check foot control, check the valve core and O ring.
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Loosen the cover of foot control, make it act freely, clean the core or replace the O-ring
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6
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Fiber optic handpiece, no LED light source in operation.
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Less air flow, can not open the air valve in power box.
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Check the handpiece air flow regulator.
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Set the handpiece air flow regulator correctly.
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Wire connection loose with the power box.
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Check the power box.
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Remove the operation panel, fix all wire connection well.
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7
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Ultrasonic Scaler can not work in operation.
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Wire connection of the power set PCB is loose or failed.
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Remove the operation panel, check the PCB light, check all wire connection.
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Fix all wire connection well or replace the PCB.
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8
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Ultrasonic Scaler work without water
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Air switch of clean water tank is closed
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Check the water tank air switch
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Open the water tank air switch
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Scaler water supply regulator is closed
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Check the water supply regulator
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Turn on more of water supply regulator
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Distilled water has been used up.
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Check the water volume of water tank.
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Add some more water
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Scaler solenoid valve is failed.
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Remove the operation panel, check the solenoid valve.
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Re-fix wire connection of solenoid valve or replace it.
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9
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Ultrasonic scaler with water leaking
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Solenoid valve care with impurities.
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Remove the operation panel, find the solenoid valve, open it and check the core.
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Clean the valve core and re-fix it.
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10
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LED curing light can not work
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No power supply to the power set or it is failed.
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Remove the operation panel, check the power set of LED curing light.
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Connect to electric power replace the power set.
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Curing light handpiece is failed.
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Check the curing light handpiece.
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Replace the curing light handpiece
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11
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Air Compressor can not work in normal.
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Power connection with mistake
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Check if the power supply is connected correctly
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Connect the power supply correctly
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The fuse is blown
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Check the fuse.
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Unplug the plug socket, open the fuse cover, replace the fuse.
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Wire connection to electric power supply fall off or electronic components loose.
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Remove the operation panel, check the inside wire connection and electronic components.
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Find a professional engineer connect all wires according to circuit diagram
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Compressor working for long time, overload protected.
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/
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Stop the compressor for cooling till temperature drop down.
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12
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Air compressor keeps working and can not be stopped
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Air pipes broken or lose.
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Remove operation panel, check all air pipes connection.
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Connect all air pipes well or replace it.
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Leaking from solenoid valve.
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Remove the operation panel, find the solenoid valve, check where here is impurities with the core.
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Clean the valve core or replace the solenoid valve.
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Suction leaking or leakage from air pipes.
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Check the suction and all air pipes connection, and all connectors.
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Turn off suction, tight all air connect all air pipes well or replace it.
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Pressure switch is failed
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Check whether the pressure switch can work in normal
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Adjust or replace the pressure switch
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13
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The unit is stopped, but compressor working stop and restart automatically.
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Air pipes with leaking.
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Check all air pipes connection, listen the sound or test with soap water.
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Check all air pipes connection, avoid leaking.
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Air leaking from check valve.
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After compressor stopped, check whether here is air leaking from solenoid valve.
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Remove check vale, clean the inner core.
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14
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The unit with too much shake and high noise, compressor can not start.
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Electric voltage is too low.
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Check the electric power voltage with multimeter
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Wait till voltage is stable or equip with a voltage stabilizer.
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