Troubleshooting Guide - Qualified Personnel Only - Welch Allyn KleenSpec 78812 Gebrauchsanweisung

Problem
Illuminator does
Illuminator/power supply
not stay plugged
interconnect plug is
into the power
damaged.
supply cord.
Faulty Lamp
Light output
seems low.
Dirty lamp lens
This guide is intended to provide assistance towards determining the fault condition of
this product. Please contact the authorized Welch Allyn Service Center listed within the
product owners manual for additional assistance.

Troubleshooting Guide - Qualified Personnel Only

Problem
No power to the power
supply outlet.
Faulty Power Supply
Lamp does not
light.
Faulty Illuminator
Light output Improper voltage supplied to
seems low. the power supply.
This guide is intended to provide assistance towards determining the fault condition of
this product. Please contact the authorized Welch Allyn Service Center listed within the
product owners manual for additional assistance.
Possible Cause
Inspect interconnect plug for damage.
Replace either or both.
Replace with a new lamp.
Inspect lamp lens for debris and clean.
Possible Cause
Verify that power is supplied to power
supply outlet.
Test the voltage supplied through the
power supply at the cord end. Verify
the voltage reads approximately
4.7 volts DC. Only properly trained
personnel shall perform this test.
Verify that the illuminator is faulty by
replacing with a new illuminator or
with the switch in the on position, and
power supplied through the power
supply (above), remove lamp and
measure the voltage between the
lamp socket center contact and socket
threads. Verify voltage reads
approximately 4.6 volts. Only properly
trained personnel shall perform this
test.
Verify the voltage supplied to the
power supply outlet meets the
requirements stated in this manual.
1-8
Solution
Solution