Conair TrueBlend TB500-4, User Manual, Page: 115 / 150

TrueBlend ™
Alarm Messages and
Troubleshooting
Edition: February 2007 113
Alarm message "Door open"
Meaning of alarm Correction
•
While running the safety door must be closed. The
door was opened while in operation.
•
Mixer motor remains stopped; cycle is stopped.
•
Safety interlock switch is triggered.
•
Door is not open but message still appears.
Î
Close safety door.
Î Check wiring connection to
safety switch.
Alarm message "Motor fault"
Meaning of alarm Correction
•
Motor protection of the fan motor has tripped.
Î Check motor, then switch
motor protection on again.
•
Wiring to motor protection disconnected
Î Check connection.
Alarm message "Filter fault"
Meaning of alarm Correction
Differential pressure switch in filter has tripped, as
filter blocked.
Î Switch off conveying and
clean filter.
Alarm message "HLx: material demand"
Meaning of alarm Correction
Display (one flash every second).
The hopper loader x (x = 1.7) has not sent a
"full" message within a specified period.
Î
Check the material source
or whether the sensor is
defective.
Alarm message "Battery error"
Meaning of alarm Correction
•
Battery defective or discharged or no battery.
Î
Install new battery
(see Section 9.4).