Nordson CoolWave 2 - Page 75

Troubleshooting
6-5
Part 1089210A04
E 2010 Nordson Corporation
Corrective ActionPossible CauseProblem
Fault Message 23:
FAULT HV CABLE
UNPLUGGED
Irradiator will not light.
Power supply not
communicating with
lamphead
Unicable not connected or
damaged
Check the cable connections. Check
the continuity of cables.
Light detector board internally
unplugged
Check the internal connections to the
light board in the lamphead
Fault Message 24:
FAULT LOW CURRENT
ON MAGS
Magnetron Current Fault
Magnetron current cannot
be maintained
Magnetrons at end of life Replace the magnetrons.
Wiring not connected properly
after maintenance
Verify connections to the magnetrons
HV transformer taps set incorrectly Refer to the Transformer Tap Table in
the Installation section to verify
settings.
Fault Message 25:
FAULT PHASE CTRL AT
LIMIT
Phase control at limit.
Power supply is unable to
regulate the system to the
specified output level.
HV transformer taps set incorrectly Refer to the Transformer Tap Table in
the Installation section to verify
settings.
Fault Message 26:
FAULT RF DETECTOR
FAILED
RF Fault
RF Detector failed self-test
RF detector self test fails or unit
has been permanently damaged
by a very high RF field
NOTE: This failure is only
possible under extreme conditions.
Replace the RF detector.
Fault Message 27:
FAULT PHASE
CONTROLLER ERROR
Control does not detect the
phase board.
Phase control board failure Replace phase control board.
Fault Message 28:
FAULT MAG FILAMENT
IS OPEN
Low filament current.
Magnetron failure Replace magnetron.