Ransburg MGS Multi-Gun Source 76789, 77046 - Manual (Page 23)

CP-99-01
For MGS 2001 and MGS 2000C: For MGS 2001 and MGS 2000C: For MGS 2001 and MGS 2000C: For MGS 2001 and MGS 2000C: For MGS 2001 and MGS 2000C:
No Guns Work When Trigger Is Pulled
No Guns Work When Trigger Is Pulled No Guns Work When Trigger Is Pulled No Guns Work When Trigger Is Pulled No Guns Work When Trigger Is Pulled
Continuity across fuse F2
on control unit PC board
and F1 on MGS PC
board.
Does numbered LED
(green light) on MGS PC
board turn on when that
number gun’s trigger is
pulled?
Check for loose or broken
wires on door mounted
control unit or from door
mounted control unit to
MGS PC board terminal
block 4 (TB4).
Double check control unit
PC board fuse F2.
Replace PC board on
door mounted control
unit.
Continuity across
control unit PC
board fuse F2
and front panel
fuse 1FU?
Turn air supply on and
adjust to desired pressure.
Replace defective fuse.
Are yellow lights LED1 &
LED2 on MGS PC board
lit?
Check wiring from
control unit PC
board to MGS PC
board terminal
block 4 (TB4).
Appropriate (115 or 230)
VAC across terminals L1
& N of terminal block
1TB?
Appropriate (115 or 230)
VAC across terminals L2
& N of terminal block
1TB?
Appropriate (115 or 230)
VAC from terminals 1A to
2A of ON/OFF switch
1SW?
Control Unit PC board
connectors 6PL, 7PL &
9PL firmly attached?
Correct input line
voltage connection.
Correct exhaust fan
and conveyor
interlock
connections.
ON/OFF Indicator (green
lamp) lit?
Adequate air being
supplied to MGS control
unit?
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO
NO
YES
Replace fuses.
Double-check MGS
PC board fuse F1.
NO
YES
18VDC across 7PL
terminals 2 & 3 of control
unit PC board?
YES
YES
YES
Replace fuse F2 on
control unit PC board.
Wiring OK to 1SW?
NO
Replace
ON/OFF
switch
1SW.
Replace power
supply 1SUP.
NO
Attach connector
firmly.
NO
Replace MGS PC board
YES
Replace MGS PC
board.
MGS Multi-Gun Source - Maintenance
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