Concordia XPRESS - CHECK CLOCK Error; CHECK STATS Error; CHK SENSOR VOLTAGE Error; CHK ANALOG BOARD Error

3033-014B Section 14: Messages
Concordia Xpress Technical Support Manual 14-3
2900-300B
DISPLAY
MESSAGE
PROBABLE CAUSE
CORRECTIVE ACTION NEEDED
CHK ANALOG
BOARD
Missing supply voltages.
Verify transformer secondary output
voltages.
Replace DC supply board.
Install/replace analog board.
See Section 15: Troubleshooting for
detailed instructions.
Missing or bad analog
board.
CHK WATER
FLOW
No incoming water supply.
Check that incoming water supply
valve is open.
Check for a clogged water filter.
See Section 15: Troubleshooting for
detailed instructions.
Dirty lower piston.
Run the brew clean process.
Repeat if required.
Grind too fine.
Adjust grind coarser.
Faulty flowmeter.
Verify flowmeter wiring is correct.
Navigate to TEST ROUTINES >
BREW WATER VALVE, and verify
counter increments.
Ensure flowmeter is not clogged.
Pump pressure.
Verify calibration.
CHK WATER
SUPPLY
No incoming water supply.
Check that incoming water supply
valve is open.
Check for clogged filter.
See Section 15: Troubleshooting for
detailed instructions.
Open circuit at level probe.
Navigate to TEST ROUTINES >
WATER LEVEL and diagnose.
CLOCK FAIL
The Real Time Clock is
missing or inoperative.
Replace the CPU board. Set the
date and time.
EMPTY
GRNDS BIN
Grounds bin is full.
Empty grounds bin. Bin must be
removed for at least six seconds to
reset message.
FRONT
PANEL FAIL
Bad connection between
CPU board and front panel.
Check cable from front panel to
CPU board.
Defective front panel
(PCA).
Replace the front panel circuit
board assembly.