FC 300 Instruction Manual
Troubleshooting
ALARM 29
Drive over temperature:
If the enclosure is IP 20 or IP 21/TYPE 1, the
cut-out temperature of the heat sink is 203 °F ±9
°F (95 °C ±5 °C). The temperature fault cannot
be reset until the temperature of the heat sink
is below 158 °F ±9 °F (70 °C ±5 °C).
The fault could be:
-
Ambient temperature too high
-
Too long motor cable
ALARM 30
Motor phase U missing:
Motor phase U between the adjustable frequency
drive and the motor is missing.
Turn off the adjustable frequency drive and
check motor phase U.
ALARM 31
Motor phase V missing:
Motor phase V between the adjustable frequency
drive and the motor is missing.
Turn off the adjustable frequency drive and
check motor phase V.
ALARM 32
Motor phase W missing:
Motor phase W between the adjustable frequency
drive and the motor is missing.
Turn off the adjustable frequency drive and
check motor phase W.
ALARM 33
Inrush fault:
Too many power-ups have occurred within a
short time period. See the chapter
General
Specifications
for the allowed number of
power-ups within one minute.
WARNING/ALARM 34
Fieldbus communication fault:
The fieldbus on the communication option
card is not working.
WARNING 35
Out of frequency range:
This warning is active if the output frequency has
reached its
Warning speed low
(par. 4-52) or
Warning speed high
(par. 4-53). If the adjustable
frequency drive is in
Process control, closed loop
(par. 1-00), the warning is active in the display. If
the adjustable frequency drive is not in this mode, bit
008000 Out of
frequency range
in extended status
word is active but there is no warning in the display.
ALARM 38
Internal fault:
Contact your Danfoss supplier.
WARNING 47
24 V supply low:
The external 24 V DC backup power supply may be
overloaded, otherwise Contact your Danfoss supplier.
WARNING 48
1.8 V supply low:
Contact your Danfoss supplier.
WARNING 49
Speed limit:
Contact your Danfoss supplier.
ALARM 50
AMA calibration failed:
Contact your Danfoss supplier.
ALARM 51
AMA check Unom and Inom:
The setting of motor voltage, motor current,
and motor power is presumably wrong.
Check the settings.
ALARM 52
AMA low Inom:
The motor current is too low. Check the settings.
ALARM 53
AMA motor too big:
The motor is too big for the AMA to be carried out.
ALARM 54
AMA motor too small:
The motor is too small for the AMA to be carried out.
ALARM 55
AMA par. out of range:
The par. values found from the motor are
outside the acceptable range.
ALARM 56
AMA interrupted by user:
The AMA has been interrupted by the user.
72
MG.33.A4.22 - VLT is a registered Danfoss trademark
Содержание FC 302
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