Troubleshooting
6-3
Part 1061253B
E 2006 Nordson Corporation
Problem Possible Cause Corrective Action
5. Power Supply
Overtemp
Fault Message:
F OTMP
Insufficient air flow to the power
supply
Clean the blower filters and make
sure that there are no obstructions in
the blowers and the filters.
6. Magnetron
Overcurrent Fault
Fault Message:
F OVER
Magnetron current has exceeded
950 ma
Check all the power supply to
lamphead cables for damage or
arcing. Check for signs of arcing in
the lamphead.
7. Network Fault
Fault Message:
F NETW
A fault has been detected
somewhere on the network; the
master shows F NETW and the
problem unit will display the
specific fault
Determine the unit with the fault and
correct the fault. Clear the master or
individual control unit.
8. E-Stop system will
not start
Fault Message:
F STOP
Pins 1 and 2 on the input are not
jumpered
Add an E-Stop jumper between pins
1 and 2.
E-Stop buttons are activated either
on the power supply or external
equipment
Check and release all E-Stops.
9. Irradiator will not light
Fault Message:
F CABL
Power supply to lamphead cables
disconnected or faulty
Check the cable connections. Check
the continuity of cables.
10. RF Fault
Fault Message:
F RF
RF detector switch is not set
properly on control board
Check the dip switch setting on the
main control board.
RF detector is not properly
connected
Check the connections.
RF cable is faulty Check the continuity of the cable.
Replace the cable if necessary.
RF detector is detecting a high
level of RF
Check the lamphead screen for holes
and tears. Replace the lamphead
screen if necessary. Check to make
sure the screen is securely fastened.
Continued...
