With power off, verify the FC4 fuse has continuity.
IF fuse is good, go to 5B. IF fuse is blown, go to
Section 4
.
Verify ICB output
Disconnect the P6 connector and test voltage for
110-125VAC between pins 3-5. IF no/low voltage,
go to step 5D. IF correct, go to 5C.
Test the FC4 fuse (continuity)
Step 5A
Disconnect the E10 connector from ICB. Verify 110-
125VAC between 1-3 (white & black). IF present,
replace ICB. IF NOT, replace wire harness (
pg. 20
).
Verify ICB input
Step 5C
35
Disconnect P4 from fuse board. Verify 110-125VAC
between 4-6 (grey wires). IF OK, replace fuse
board. IF NOT, replace transformer (
pg. 20
).
Verify transformer output
Step 5D
Step 5B
5. Service LED ON: ‘BD’ Code
Содержание H150FDN
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