32 2042376-001 Rev G ©2012 General Electric Company. All rights reserved. Lullaby
TM
Warmer
Symptom
Likely causes
Action
Power failure alarm when
the System Power is
switched on.
Power
cord
is
not
connected to the wall
socket.
Check if the Observation lamp lights
up in Lullaby
TM
Warmer after the
power cord is connected to the wall
socket.
Either or both the fuses in
the rear panel inlet are
blown.
NOTE: For Warmer with
halogen lamp and
transformer.
Replace cable Harness Inlet cable
2039887-001 in FRU 2043950-001
Either or both the fuses in
the PWA are blown
NOTE: for warmer with
SMPS
and
LED
observation lamp
Replace 4A fuse in PWA from FRU
2062278-001
for
230V
Replace 8A fuse in PWA from FRU
2062278-001
for
115V
Replace 10A fuse in PWA from FRU
2062278-001 for 100V
Config. plug is missing or
defective
NOTE: For Warmer with
halogen lamp and
transformer.
If yes, Replace Config. plug
2039935-001 in FRU 2043950-001
Fuse F1 on the PWA is
defective.
NOTE: For Warmer with
halogen lamp and
transformer.
Replace PWA FRU 2043951-001
CR12 on the PWA is not lit.
Replace the transformer 2039947-
001 in FRU 2043950-001
NOTE: For Warmer with halogen
lamp and transformer.
Replace SMPS from FRU 2062282-
001
NOTE: for warmer with SMPS and LED
observation lamp
Power switch cable from
the
front
panel
is
disconnected from the
PWA.
Connect the cable assembly.
Defective Light Switch
Replace the light switch cable
harness
Improper connection of
connector P1 on PWA
Check the connection on the PWA
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