Cl 300 Surgical Illuminator - Welch Allyn CL 300 Service Manual

CL 300 S I
URGICAL LLUMINATOR
Symptom
Lamp fails to start and
fans are not running.
Lamp fails to start and
fans are running.
Lamp shuts off after
operating for a few
minutes and restarts
after cooling.
Indicator light on and
lamp shuts off
Replacement Lamp will
not seat into Light Source
PN: LB-MAN-CLSERV Rev. A
Cause
No power to unit
Line voltage is <90 VAC
Fuses blown
Safety interlock open
Power supply or auxiliary
board failure
Lamp not in light source
(audible clicking heard)
Defective lamp cable
(discolored, bent or broken
prongs)
(audible clicking heard)
Defective power supply
(discolored, bent or broken
prongs)
(no audible clicking heard)
Inadequate air flow for
cooling, Light Source over
temperature
Fan failure
Illuminator is overheating not
due to clearance.
Lamp is at the end of life, but
amber LED is inoperative.
Lamp life exceeded.
Lamp cable defective.
Lamp is not oriented correctly
Incorrect Replacement Lamp
Remedy
Check power supply cord and outlet
Refer to Hospital Engineering department
Inspect, replace and retest. Go to "Test #1: Blown
Fuses" on page 27.
Check and tighten slotted screw on lamp fixture
access door
Go to "Test #2: Auxiliary Board Input Terminals"
on page 27
Install a 270W replacement lamp, model 90125.
Replace and retest lamp cable.
Inspect wiring and if it is fine, replace and retest
power supply.
Allow 2" (51mm) clearance at back of unit; insure
that air intake-outflow vents are clean and not
blocked. Allow unit to cool and then restart
Go to "Test #3: Cooling Fan" on page 27.
Verify operation of fans. Clean fans and internal
components of dust.
Verify LED flickers on when it is first turned on. If
not, go to "Test #4: LED Operation" on page 27.
Install a 270W replacement lamp, model 90125.
Replace if prongs are discolored, broken, or bent.
Rotate lamp 180° and re-insert
Install a 270W replacement lamp, model 90125.
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