40
9. Troubleshooting
(cont.)
Problem
Cause
Solution
CF1 Water heating
failur
e
The water does not reach the
required temperature in the
specified time
Call for service.
CF2 Chamber filling
failure
The water does not fill the
chamber within the specified
time.
Check that the water hoses are not
kinked. Open the water shut-off valves.
CF3 Chamber
temperature reading
failure
Faulty sensor.
Call for service.
CF4 Water evacuation
failure
Water cannot drain from the
unit.
Check that the drain hose is not kinked.
Check that the filters in the bottom of
the chamber are not obstructed.
CF5 Disinfection
failure
Temperature dropped below
disinfection temperature during
the disinfection phase.
Call for service.
CF7 Cycle aborted
Cycle interrupted.
Restore power to the unit and restart
the cycle
CF9 System failure
Software or PCB failure.
Call for service.
CF13 Temperature
validation error
Second temperature sensor
readings are out of limits.
Call for service.
CF14 Water
temperature too high
Water in prewash stage
too hot.
Check water connections at
back of unit.
Call for service.
CF15 Water reservoir
overflow
Overflow switch triggered
Restart the program.
Call for service.
CF16 Ambient
temperature
too high
Unit is too hot or overheated.
Check fans.
Check ventilation space requirements as
per pre-installation document (SD-356)
Call for service.
CF19 Pressure
sensor failure
Defective pressure sensor.
Restart program. If issue persists,
call for service.
CF20 Condenser
system failure
Unit was not able to cool down.
Check water hoses are not kinked.
Call for service.
CF21 Dosing system
failure
Chemical dispensing system
failure.
Tighten detergent cap.
Check for leaks.
Call for service.
CF25 Vref Error
System Failure.
Call for service.
CF28 No water
pressure
Not enough water during cycle.
Check water hoses are not kinked.
Open water shut-off valves.
Check for leaks.
Call for service.
Error messages
