Diagnostics – Lenze E94P PositionServo with MVOB User Manual
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S94H201E_13426446_EN
Diagnostics
Fault Code
(Display)
Fault
Description
F_26
Unknown
byte code
Byte code interpreter error; May occur when program is missing the closing END
statement; when subroutine has no RETURN statement; or if data in EPM is corrupted at
run-time
F_27
Drive disabled
Attempt to execute motion while drive is disabled. Drive programming error (error in drive
source code).
F_28
Accel too high
Motion statement parameters calculate an Accel value above the system capability. Drive
programming error (error in drive source code).
F_29
Accel too low
Motion statement parameters calculate an Accel value below the system capability. Drive
programming error (error in drive source code).
F_30
Velocity too high
Motion statement parameters calculate a velocity above the system capability. Drive
programming error (error in drive source code).
F_31
Velocity too low
Motion statement parameters calculate a velocity below the system capability. Drive
programming error (error in drive source code).
F_32
Positive Limit Switch
Positive limit switch is activated.
(Only available while drive is in position mode)
F_33
Negative Limit Switch
Negative limit switch is activated.
(Only available while drive is in position mode)
F_34
Positive motion w/ Pos
Lim Sw ON
Attempt at positive motion with engaged positive limit switch
F_35
Negative motion w/ Neg
Lim Sw ON
Attempt at negative motion with engaged negative limit switch
F_36
Drive Disabled by User
at Enable Input
The drive is disabled while operating or an attempt is made to enable the drive without
deactivating “Inhibit input”. “Inhibit” input has reverse polarity
F_37
Under voltage
(Applies to drive’s with hardware version 2 and higher). Occurs when the bus voltage
level drops below 50% of nominal bus voltage while drive is operating. An attempt to
enable the drive with low bus voltage will also result in this fault.
F_38
EPM Loss
EPM Failure
F_39
Positive soft limit
reached
Programmed (Soft) absolute limits reached during motion
F_40
Negative soft limit
reached
Programmed (Soft) absolute limits reached during motion
F_41
Unknown Variable ID
Attempt to use variable with unknown ID from user program. Drive programming error
(error in drive source code).
F_42
Missing Hardware
Ethernet port failure.
F_43
DeviceNet Module Error
DeviceNet module configured but not detected.
F_44
Bad Memory Index
Memory index out of limits when writing user variables to RAM.
F_45
2nd Encoder Position
Error
Secondary encoder position error limit has exceeded maximum value (applies to
hardware version 1)
F_46
PFB module error
PROFIBUS module configured but not detected.
F_47
PFB monitor timeout
PROFIBUS network monitor timeout error.
F_48
PFB exchange timeout
PROFIBUS data exchange timeout error.
F_49
Illegal manipulation
of APOS
The APOS variable cannot be manipulated while a MOVE is being executed
F_51
Unspecified DSP fault
General internal fault.
F_52
Drive disabled-motion
Drive disabled while in motion.