Ransburg 9040 Classic Power Supply _NO2 Gun 76657-14, -142 - Manual (Page 22)

CP-97-03.6
9040 Classic for the No. 2 Process Handgun - Maintenance
1 8 1 8 1 8 1 8 1 8
Figure 9: Troubleshooting Guide (Continued) Figure 9: Troubleshooting Guide (Continued) Figure 9: Troubleshooting Guide (Continued) Figure 9: Troubleshooting Guide (Continued) Figure 9: Troubleshooting Guide (Continued)
General Problem General Problem General Problem General Problem General Problem Possible Cause Possible Cause Possible Cause Possible Cause Possible Cause Solution Solution Solution Solution Solution
Motor Not Rotating Motor Not Rotating Motor Not Rotating Motor Not Rotating Motor Not Rotating
And No kV Output At
And No kV Output At And No kV Output At And No kV Output At And No kV Output At
Spray Gun, LED1 Off
Spray Gun, LED1 Off Spray Gun, LED1 Off Spray Gun, LED1 Off Spray Gun, LED1 Off
Motor Not Rotating Motor Not Rotating Motor Not Rotating Motor Not Rotating Motor Not Rotating
And No kV Output At
And No kV Output At And No kV Output At And No kV Output At And No kV Output At
Spray Gun, LED1 On
Spray Gun, LED1 On Spray Gun, LED1 On Spray Gun, LED1 On Spray Gun, LED1 On
Motor Not Rotating Motor Not Rotating Motor Not Rotating Motor Not Rotating Motor Not Rotating
But kV Output Ok,
But kV Output Ok, But kV Output Ok, But kV Output Ok, But kV Output Ok,
LED2 Off
LED2 Off LED2 Off LED2 Off LED2 Off
Motor Not Rotating Motor Not Rotating Motor Not Rotating Motor Not Rotating Motor Not Rotating
But kV Output Ok,
But kV Output Ok, But kV Output Ok, But kV Output Ok, But kV Output Ok,
LED2 On
LED2 On LED2 On LED2 On LED2 On
Intermittent Motor Intermittent Motor Intermittent Motor Intermittent Motor Intermittent Motor
Operation
Operation Operation Operation Operation
Motor Rotating Too Motor Rotating Too Motor Rotating Too Motor Rotating Too Motor Rotating Too
F a s t
F a s t F a s t F a s t F a s t
Excessive Current Excessive Current Excessive Current Excessive Current Excessive Current
Draw
Draw Draw Draw Draw
Excessive Shocking Excessive Shocking Excessive Shocking Excessive Shocking Excessive Shocking
1. Improper input line voltage
to connector 8PL
2. Defective 24 VDC power
supply 2SUP
1. Defective control wires in
cable or switch in gun
2. Defective relay board
1. Defective relay board fuse
F4
1. Defective control wires in
high voltage cable
1. Defective high voltage
multiplier
1. Defective power supply
2SUP
1. Short in cable or gun
2. Defective main PC board
3. Defective high voltage
multiplier
1. Discontinuity in ground
circuit
1. Ensure voltage across terminals 1 and 2 of
connector 8PL is between 90 and 264 VAC.
2. Voltage across terminals 1 and 6 of plug
10PL of power supply 2SUP should be
24VDC. If not, replace power supply 2SUP.
1. Check for continuity from 2TB-3 of relay
board to gun handle when switch at gun is
ON. If no continuity, replace high voltage
cable or gun ON/OFF switch.
2. If #1 above checks ok, replace relay board.
1. Replace defective fuse.
1. Replace high voltage cable.
1. Replace high voltage multiplier.
1. Voltage across terminals 1 and 6 of plug
10PL of power supply 2SUP should be
24VDC. If not, replace power supply 2SUP.
1. Remove cable from power supply. If problem
goes away, check gun or cable for cause.
2. Test PC board with LTST5000 Tester.
Replace PC board if improper results are
obtained.
3. If 1 and 2 above are okay, replace high
voltage multiplier.
1. Perform the Ground Test Procedure as
described in the "Maintenance" section of
this manual.