Product manual

Troubleshooting
5-6
Part 1105120-01
E 2013 Nordson Corporation
Corrective ActionPossible CauseProblem
Fault 27:
FAULT PHASE
CONTROLLER ERROR
Control does not detect the
phase board.
Phase control board failure. Replace phase control board.
Fault 28:
FAULT MAG FILAMENT
IS OPEN
Low filament current.
Magnetron has failed. Replace magnetrons.
Bulb Troubleshooting
NOTE: Any bulb that has been touched with bare hands or otherwise
contaminated should be cleaned with isopropyl alcohol prior to use. Clean
latex or nitrile gloves must be worn when handling bulbs. Failure to keep
bulbs clean may result in premature failure.
Problem Possible Cause Corrective Action
1. Bulbs have white
fingerprints
Dirt and oils on the bulb were
burned in while the bulb was
operating.
Replace the bulb. Wear clean latex or
nitrile gloves whenever handling
bulbs.
2. Bulb does not start Bulb is damaged or system
controller has faulted.
Check the system controller for fault
messages. Replace the bulb.
3. Bulb is rippled Bulb is overheating. Clean all air filters.
Check the lamphead pressure by
pressing the LAMPHEAD AIR
PRESSURE button.
Make sure the proper bulb for the
lamp is installed.
4. Bulb has a white or
gray cloudy
appearance
End of bulb life. Replace the bulb.
Bulb is overheating. If UV output is below acceptable
levels, check the system cooling then
replace the bulb if necessary.
Make sure the proper bulb for the
lamp is installed.
5. Bulb does not fit
securely in lamphead
Bulb mounting tips are chipped or
broken.
Replace the bulb.
6. Bulb is overheating Reflectors not properly installed. Check reflectors and install correctly
if necessary. Refer to page 6-7 in the
Section 6, Maintenance and Repair
for installation instructions. Replace
the reflectors if necessary.
Wrong bulb used. Make sure the proper bulb for the
lamp is installed.