MAINTENANCE
3-18 powermax1000 Service Manual
1
Control board LEDs
If the red Fault LED illuminates, no yellow LEDs are illuminated, and the green AC and Gas pressure LEDs remain
illuminated, check the LEDs on the rear of the control board (PCB3).
START
START
XFR
SDF
START
IF
START
TSO
START
SP
.
.
.
.
Diagnostic LEDS
START
XFR
SDF
IF
TSO
SP
START SIGNAL VALID
TRANSFER
SELF DIAGNOSTICS FAILURE
INVERTER INTERLOCK
(Blinking at 1 sec. rate)
(Visible for 10 sec. after event)
TORCH STUCK OPEN
(Visible for 10 sec. after event)
SPARE
P
1
UP
MID
DOWN
CPA
NORMAL
GOUGE
C
URRENT
GAS
S
TATUS
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