Philips EverFlo Q Service And Technical Reference Manual page 35

SYMPTOM
•
LED failure
•
Unit is inoperable
•
Start-up alarms in-
operable
Page 35
CAUSE
No power to LED's
Main PCA failure
Piezoelectric speaker
failure
LO TM
E F S & T
VER ERVICE
VERIFICATION
•
Verify the power cord
is plugged in
•
Verify power in wall
outlet
•
Verify that all wiring
harnesses are
connected
•
Verify the Main PCA
is not damaged
•
Verify the wiring
harnesses are
connected
•
Verify the wiring
harness is not
damaged
•
Verify the condition
of the fuse on PCA
•
Verify the condition
of the Power Cord
•
Verify the solder
joints on the
piezoelectric speaker
I
ECHNICAL NFORMATION
CORRECTIVE
ACTION
•
Connect the
power cord to AC
power source
•
Check the
household fuse or
circuit breaker
•
Connect all wiring
harnesses
•
Replace the Main
PCA
•
Connect the wiring
harnesses
•
Check the wiring
harnesses for
continuity
•
Test the fuse for
electrical
continuity
•
Verify the Power
Cord continuity
•
Replace Power
Cord
•
Replace the Main
PCA
•
Replace the Main
PCA
1039055, VER. 06