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www.tpcdental.com
Mirage Model 4000 Troubleshooting
Problem
Cause
Solution
Dental Chair does not move
up or down. Chair makes no
sound.
No power
Blown fuse
Power switch off
Blown transformer
Check power source
Check fuse
Check power switch
Check transformer voltage
12vac
Dental Chair will not move,
but makes a beep sound when
controls are pressed
Safety switch plate
Limit switch memory erased
Check safety plate
Re-program limit switches.
Refer to motions of limit
controls
Chair makes noise when
motor is running. Squealing
Chair is low on hydraulic fluid Re-fill hydraulic reservoir
Dental Chair does not go low
or high enough
Program limits
Re program limit switch
settings
Unable to program pre set
position 1, 2 and 3
Chair is in program mode and
not operational mode.
Put chair in normal operation
mode. Change SW1 on Main
PCB
When I auto return the chair
with button 0 the chair goes
down and then raises about 3”
once its down
Safety switch is being tripped. Check safety switch and area
around chair base.
My chair is on but there is no
control out of the touch pad
Touch pad is not connected
Touch pad is burnt out
Connect touch pad
Replace touch pad
My head rest does not stay in
the position that I put it in
Set screws in backrest are
loose.
Tighten set screws
Chair arm rest moves very
easley.
Screw is loose that holds
assembly together
Tighten screw
Mirage Model 4000 Don’ts
·
Don’t exceed the minimum weight capacity of 650 lbs or damage may occur.
·
Don’t let more than one patient sit in the chair at one time.
·
Don’t stand anywhere on the dental chair.
·
Don’t operate the dental chair around any flammable liquids.
·
Don’t exceed the maximum mode of operation time “3 min”.
·
Keep liquids away from all electrical components.
Содержание Mirage 3000
Страница 16: ...16 www tpcdental com Main PCB Board ...
Страница 17: ...17 www tpcdental com Wiring schematic 1 ...
Страница 18: ...18 www tpcdental com Wiring schematic ...