Troubleshooting
6-1
Part 1061253B
E 2006 Nordson Corporation
Section 6
Troubleshooting
WARNING: Allow only qualified personnel
to perform the following tasks. Follow the
safety instructions in this document and all
other related documentation.
Introduction
This section contains troubleshooting procedures.
These procedures cover only the most common
problems that you may encounter. If you cannot
solve the problem with the information given here,
contact your local Nordson representative for help.
General Troubleshooting
NOTE: If your unit does not start up, disconnect
power to the unit then remove the cover and check
the fuses. See Figure 7-1 for fuse locations.
Problem Possible Cause Corrective Action
1. Lamp Fault
Fault Message:
F LOUT
The light detector outputs a
voltage when the lamphead is in
operation: the voltage drops
below a minimum
Check the magnetron current, main
fuses, phase control board, and light
detector.
Interconnect cable at lamphead or
power supply is loose
Disconnect and reconnect the cable.
Bulb has failed Replace the bulb.
2. Pressure Fault
Fault Message:
F PRSW
Cooling fan is not running Remote Blower: Check the motor
starter, fuses, and overloads. Reset
or replace overloads and/or fuses if
necessary.
Cooling fan is running in reverse Check the wires at the blower and at
the starter, check the fan rotation.
Filter on cooling fan is dirty Replace the filter on the blower.
Wash the filter on the remote blower
with soap and water.
Continued...
