8
TRIAD
®
2000 TROUBLESHOOTING & ANALYSIS
SYMPTOM
PROBABLE CAUSE
CORRECTIVE ACTIONS*
Fan does not operate.
No power to unit.
Check wall outlet and, if faulty, make
necessary correction.
Circuit breaker is tripped. Reset unit circuit breaker.
POWER switch is faulty.
Check continuity of switch. Replace if
faulty.
Foreign object in fan
Check for object in chamber, remove.
chamber.
Fan does not rotate.
Fan is defective.
Replace defective fan. (NOTE: Air move-
ment should be ‘out’ of unit when fan
operates.
Curing lamp does
Lamp is burned out.
Replace lamp.
not operate.
Curing chamber access
1. Close access door completely.
door is ajar or access door 2. Check interlock switch adjustment by
interlock switch is not
closing access door. Listen for switch
functioning.
snap action. If no sound, adjust mount-
ing bracket.
3. Replace if faulty.
Timer module is faulty.
Replace timer module.
CURE switch is faulty.
Check continuity of switch. Replace CURE
switch if faulty.
Turntable does not
TABLE switch is faulty.
Check continuity of switch. Replace TABLE
rotate.
switch if faulty.
Turntable motor is faulty.
Replace motor.
Lamp does not turn
TIMER switch assembly
Check resistance of timer switch. Measure
off.
is faulty.
across two terminals, #4 and #5. 100K Ohm
at full counterclockwise position and
1 megohm ±10% at full clockwise position.
Replace if faulty.
Timer module is faulty.
Replace timer module.
*NOTE: Take corrective actions only if you are experienced with electrical components and their repair.
Call the DENTSPLY Trubyte Professional Services Department if you have questions.
Call DENTSPLY Trubyte before you
ship the unit back:
1-800-877-0020, ext. 54319.
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