Mammoth 211400, Instruction Manual

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Mammoth Fans INDUSTRIAL SERIES |
17
TROUBLESHOOTING
NO. Description Warning Alarm Trip
Lock
Error Cause of Problem
31 Motor phase V missing X X Motor phase V is missing. Check the phase.
32 Motor phase W missing X X Motor phase W is missing. Check the phase.
38 Internal fault X X Contact local Danfoss supplier.
44 Earth fault X X Discharge from output phases to ground.
47 Control voltage fault X X 24 V DC may be overloaded.
51 AMA check U
nom
and I
nom
X Wrong setting for motor voltage and/or motor current.
52 AMA low I
nom
X Motor current is too low. Check settings.
59 Current limit X VLT overload.
63 Mechanical Brake Low X
Actual motor current has not exceeded “release brake”
current within “start delay” time window.
80 Drive Initialised to Default Value X All parameter settings are initialized to default settings.
84
The connection between drive
and LCP is lost
X
No communication between
LCP and frequency converter.
85 Button disabled X See parameter group 0-4
*
LCP
86 Copy fail X
An error occurred while copying from
frequency converter to LCP or vice versa.
87 LCP data invalid X
Occurs when copying from LCP if the LCP contains
erroneous data - or if no data was uploaded to the LCP.
88 LCP data not compatible X
Occurs when copying from LCP if the data
are moved between frequency converters
with major differences in software versions.
89 Parameter read only X Occurs when trying to write to a read-only parameter.
90 Parameter database busy X
LCP and RS485 connection are trying
to update parameters simultaneously.
91
Parameter value is not valid in
this mode
X
Occurs when trying to write
an illegal value to a parameter.
92
Parameter value exceeds
the min/max limits
X Occurs when trying to set a value outside the range.
nw
run
Not While RUNning X
Parameter can only be changed
when the motor is stopped.
Err. A wrong password was entered X
Occurs when using a wrong password for
changing a password-protected parameter.
1)
These faults may be caused by mains distortions. Installing Danfoss Line Filter may rectify this problem.