DentalEZ Core, Руководство пользователя, Страница: 42 / 57

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www.DentalEZ.com 866-DTE-INFO
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DentalEZ
®
Equipment
PN: 2717-267C
Section VII User Service Information
Troubleshooting
A full color, fold-out tubing diagram of the CORE
Magellan unit is provided with this manual.
The following charts should be used when
troubleshooting CORE Magellan unit problems.
If these suggested troubleshooting procedures
do not resolve the problem, refer to the Service
Instruction section that follows.
The DentalEZ Technical Service Department is
available to supply service personnel with any
additional information or instructions needed to
repair or maintain the dental delivery system.
NOTICE
• Before servicing, always disconnect the
external power by unplugging the unit
from the power receptacle.
• Exercise extreme caution when
troubleshooting the electrical
components of the CORE Magellan unit.
When testing, always disconnect the
external power. When electrical power
is required, safety precautions must be
followed.
• Do not modify this equipment without
authorization from the manufacturer.
• The power module power cord is not
replaceable by service personnel.
WARNING
Delivery Head
Symptom Possible Cause(s) Solution
Unit will not
turn on
No air to master switch Open stop valve in fl oor utility box.
Open and adjust air regulator to 80 PSI.
Check for pinched red 1/8" tubing in arms.
Faulty master switch Turn switch on and verify air fl ow.
Faulty air pilot valve Verify on air supply to top fi tting of valve.
If air is present at top fi tting of valve, verify air to foot control tubing. If
no air at tubing, valve is defective.
Unit has no
electric power
No building power Check main circuit supply.
Faulty electric switch Contact electrician.
Improper outlet voltage Verify proper outlet voltage in USC.
Unit has no air Unit is not turned on Ensure master toggle valve is in ON position.
Air stop valve is closed Turn stop valve on and verify 80 PSI on air gauge.
Pinched air line Check for pinched or restricted 1/8" red tubing from fl oor utility box to
the master switch.
Faulty air pilot valve Check barbs for blockage. If none, replace valve.
No water
(handpiece and
syringe)
Water toggle is in OFF position Place the CMU switch plate toggle in ON position.
No water in clean water bottle Fill bottle.
Pressure regulator not adjusted Ensure clean water system gauge reads 40 PSI.
No air to bottle water system Check for pinched or restricted airline.
Slide clamp is clamping line Move clamp to allow water fl ow through line.
Air in coolant
water
Unit has not been purged Purge water lines (Section IV Testing, Foot Control & Handpieces)
Faulty water control valve If unit was purged, replace water control valve.