(1) Connect positive (+) multimeter lead
control lockout relay black wire.
(2) Connect negative () multimeter lead
to a known good ground.
(3) Turn ON ENGINE switch
(4) Turn on crane POWER switch.
(a) If 22 to 28 vdc are not
present, perform Steps (5) and (6)
below and repair black wire from
crane junction box terminal 1 to
control lockout relay (see
schematic Fig 2-58) or notify DS
(b) If 22 to 28 vdc are present,
perform Steps (5) and (6) below
and go to Step 11 of this Fault.
(5) Turn off crane POWER switch.
(6) Turn OFF ENGINE switch.
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.