Concordia XPRESS - Troubleshooting Quick Reference Guide

Section 15: Troubleshooting 3033-015B
15-2 Concordia Xpress Technical Support Manual
2900-300B
Troubleshooting Quick Reference Guide
Machine Failure
SYMPTOM
PROBABLE CAUSE
CORRECTIVE ACTION NEEDED
Water pump
doesn’t run
Blown F1 or F2 fuse on the
AC control PCA.
Replace blown fuse.
NOTE: Use 5amp fuse only.
Main AC relay not working.
Check for 24Vdc on the main power
relay.
Pump may have seized.
Check and replace if necessary.
Grinder doesn’t
run
Blown F3 or F4 fuse on the
AC control PCA.
Replace blown fuse.
NOTE: Use 5amp fuse only.
Main AC relay not working.
Check for 24Vdc on the main power
relay.
Blank display and
faint flashing of
D17-D19 on the DC
power supply
Blown F15 fuse on the DC
power supply
Replace blown fuse.
NOTE: Use 5amp fuse only.
No display, fans
are running and no
green LEDs are lit
on the DC power
supply
Blown F16 fuse on the DC
power supply.
Replace blown fuse.
NOTE: Use 5amp fuse only.
The 12Vdc and
5Vdc LEDs are lit
on the DC power
supply.
(CHK ANALOG
BOARD may be
displayed)
Blown F17 fuse on the DC
power supply.
Replace blown fuse.
NOTE: Use 5amp fuse only.
No fans running
and both 24Vdc
LEDs are lit on the
DC power supply
Blown F18 fuse on the DC
power supply.
Replace blown fuse.
NOTE: Use 5amp fuse only.
Group motors do
not run and both
38Vdc LEDs are lit
on the DC power
supply
Blown F19 fuse on the DC
power supply.
Replace blown fuse.
NOTE: Use 5amp fuse only.