Indicator Code Source / Root Cause Possible Cause / Suggested Action
Locked Rotor 3 Load Side The rotor is locked. Load too heavy for motor.
Thermal model reached
warning level
4 Load Side Thermal model reached warning level. If overload condition remains
a trip soon follows.
Check motor load condition
Check for mechanical problems
PTC overtemperature 5 Load side
Environment
PTC element indicated that motor temperature is too high
Check motor environment and load conditions
PTC wiring problem 6 Summary message. See detailed
messages for more information.
See codes 83/84
Check-back error 7 Summary message. See detailed
messages for more information.
See codes 80...82
Motor current below low
current trip threshold
8 Process
Load side
Load side mechanics
Motor current is below user-defined threshold e.g. motor running
idle, dry running pump, conveyer belt broken ...
Check motor load and motor / process conditions. Wait until
cooling time is over.
Motor current below low
current warning threshold
9 Process
Load side
Load side mechanics
Motor current is below user-defined threshold e.g. motor running
idle, dry running pump, conveyer belt broken ...
Check motor load and motor / process conditions
Motor current above high
current trip threshold
10 Load side Motor current above threshold caused e.g. by jammed equipment
Check process conditions (remove blocking cause). Wait until
cooling time is over.
Motor current above high
current warning threshold
11 Load side Motor current above user-defined threshold.
Check motor load and motor / process conditions.
Earth fault (external or internal
sensor) above trip threshold
12 Load side electrical Connection between one or more phases and ground
Check wiring / motor (isolation problem)
Earthfault current above
warning threshold
13 Load side electrical See above
Selftest UMC HW 14 Electronics Hardware fault detected, more details see under no. 128…140;
On LCD panel: -> maintenance/service -> Diagnosis -> Error history
Replace UMC
Actuator problem 15 Load side mechanics Open/close time of actuator exceeded because of tight valve or
other mechanical reasons.
Check runtime parameter and limit and torque switch wiring
IO module missing 16 Electronics, Wiring Communication cable not connected. Cable break or IO module
hardware error.
Custom application error (e.g.
download incomplete)
17 Configuration An unrecoverable error was detected while processing the custom
application (e.g. checksum error)
The version of application editor and UMC are not compatible
IO module error 18 Electronics A self-test error was detected in an IO module.
Check the LEDs on the module
Replace the module
Aux1: Error or warning
triggered from auxiliary
function block input 0
19 User-defined The digital input of an IO module has created a trip/warning.
Reason depends on what you have connected to the input.
Note: If the "AuxWarnFault" function block is used in a different way
than in the predefined applications also other inputs than the
DX1xx can be the fault source.
Aux2: Error or warning
triggered from auxiliary
function block input 1
20 User-defined
Aux3: Error or warning
triggered from auxiliary
function block input 2
21 User-defined
Aux4: Error or warning
triggered from auxiliary
function block input 3
22 User-defined
Aux5: Error or warning
triggered from auxiliary
function block input 4
23 User-defined
Aux6: Error or warning
triggered from auxiliary
function block input 5
24 User-defined
Multifunction input 0 25 User-defined A multifunction input of the UMC has triggered a trip.
The reason depends on what you have connected to the input.
Multifunction input 1 26 User-defined
Multifunction input 2 27 User-defined
114
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