
Quantum MP User Guide
163
Issue: A4 www.emersonct.com
*If a tunE through tunE 7 trip occurs, then after the drive is reset the drive cannot be made to run unless it is disabled via the drive enable parameter
(Pr
6.15
) or the control word (Pr
6.42
).
thS
Motor thermistor short circuit
25
Check motor thermistor wiring
Replace motor / motor thermistor
Set Pr
7.15
(
in01, 0.81
) = VOLt and reset the drive to disable this function
tunE
Autotune stopped before completion
18
The drive has tripped out during the autotune
The red stop key has been pressed during the autotune
tunE1*
The position feedback did not change or required speed could not be reached during the inertia test (see Pr 5.12)
11
Ensure the motor is free to turn i.e. brake was released
Ensure Pr
3.26
and Pr
3.38
are set correctly
Check feedback device wiring is correct
Check feedback device coupling to motor
tunE2*
Position feedback direction incorrect or motor could not be stopped during the inertia test (See Pr 5.12)
12
Check motor cable wiring is correct
Check feedback device wiring is correct
tunE3*
Field flux has not decayed to zero during autotune
13
Contact the supplier of the drive
tunE4*
Back emf detected during autotune
14
Check that the motor is not spinning when a static autotune is carried out
tunE5*
No field current detected during autotune
15
Reset Pr
5.70
to nameplate value and re-autotune motor
tunE6*
Cannot achieve ¼ rated back emf during autotune
16
Reset Pr
5.70
to nameplate value and re-autotune motor
tunE7*
Rotated autotune initiated with Estimated speed selected
17
Connect a feedback device to carry out a rotating autotune
UP ACC
Onboard PLC program: cannot access Onboard PLC program file on drive
98
Disable drive - write access is not allowed when the drive is enabled
Another source is already accessing Onboard PLC program - retry once other action is complete
UP div0
Onboard PLC program attempted divide by zero
90
Check program
UP OFL
Onboard PLC program variables and function block calls using more than the allowed RAM space (stack overflow)
95
Check program
UP ovr
Onboard PLC program attempted out of range parameter write
94
Check program
UP PAr
Onboard PLC program attempted access to a non-existent parameter
91
Check program
UP ro
Onboard PLC program attempted write to a read-only parameter
92
Check program
UP So
Onboard PLC program attempted read of a write-only parameter
93
Check program
UP udF
Onboard PLC program un-defined trip
97
Check program
UP uSEr
Onboard PLC program requested a trip
96
Check program
UV
The drive is running from the external 24V supply
1
The drive is running from the external 24V supply
Trip
Diagnosis