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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).
Summary of Contents for TrueBlend TB500-4
Page 2: ......
Page 138: ...Appendix TrueBlend 136 Edition February 2007 11 1 2 Menu overview dosing unit...
Page 139: ...TrueBlend Appendix Edition February 2007 137 11 1 3 Menu overview conveying Optional...
Page 140: ...Appendix TrueBlend 138 Edition February 2007 11 1 4 System settings menu...
Page 141: ...TrueBlend Appendix Edition February 2007 139 11 1 5 Unit settings menu...
Page 142: ...Appendix TrueBlend 140 Edition February 2007 11 1 6 Conveyor settings menu...