(Continued On Next Page) - Ransburg Pulsetrack 2 Service Manual

TROUBLESHOOTING GUIDE
General Problem
No Power
(Green Power Switch
Light Does Not Come
On and Displays Are
Blank)
No Displays
(Green Power Switch
Light Is ON, But One
Or All Card Displays
Are Blank)

(Continued On Next Page)

Procedure
1. 115/230 VAC source
switch on 24VDC power
supply set to wrong position
2. Improper AC input voltage
from control panel terminal
TB3-L to TB3-N
3. Improper AC input voltage
from control panel terminal
TB3-F2 to TB3-F1
4. Improper AC input voltage
from control panel terminal
SW1-A3 to SW1-B4
5. Improper AC input voltage
from control panel terminal
SW1-A4 to SW1-B3 with
switch on
6. Improper DC voltage from
TB2-1 to TB2-4 of 24VDC
power supply
7. Faulty wiring to any of
above
1. Defective Control Card
2. Misconnected or defec-
tive ribbon cable assembly
from the Control Card to
each Atomizer and Tem-
perature/Humidity Card
Solution
1. Set 24VDC power supply source switch to
proper position.
2. Check factory voltage from the external
fused disconnect.
3. Replace fuse F1 and/or F2.
4. Replace AC line filter LF1.
5. Repair or replace switch SW1.
6. Replace 24VDC power supply.
7. Secure any loose or disconnected wires.
1. Check for flashing red LED1 at upper left
corner of Control Card. If not flashing, cycle
AC power. If red LED1 still does not
flash, replace the Control Card.
2. Secure or replace ribbon cable assembly.
Replace the Control Board if no problem is
found with the ribbon cable.