Is 12VDC (black &
red) AND 24VDC
(blue & white)
present?
NO
Test PSU
output
MSP Not
Found
YES
48
Replace MPP:
HLX-PCB-MAIN
Test PSU
input
Is 120VAC present
between black &
white wires?
YES
Replace PSU:
HLX-PSUPPLY
NO
Test incoming
power
NO
Is 120V present
at breaker?
Resolve at
breaker?
YES
Test 5amp fuse
5amp fuse has
continuity?
YES
Replace MPP:
HLX-PCB-MAIN
NO
Replace Fuse:
GLX-F5A-PAK10
3. 24V LED Not Illuminated