Bảng mã lỗi Warning/ Alarm của dòng biến tần VLT 2800 hãng Danfoss
| No. | Description |
Warning
|
Alarm |
Trip
locked |
| 2 | Live zero error (LIVE ZERO ERROR) |
X
|
X
|
X
|
| 4 | Mains phase loss (MAINS PHASE LOSS) |
X
|
X
|
X
|
| 5 | Voltage warning high (DC LINK VOLTAGE HIGH) |
X
|
||
| 6 | Voltage warning low (DC LINK VOLTAGE LOW) |
X
|
||
| 7 | Overvoltage (DC LINK OVERVOLT) |
X
|
X
|
X
|
| 8 | Undervoltage (DC LINK UNDERVOLT) |
X
|
X
|
X
|
| 9 | Inverter overload (INVERTER TIME) |
X
|
X
|
|
| 10 | Motor overloaded ( MOTOR, TIME) |
X
|
X
|
|
| 11 | Motor thermistor (MOTOR THERMISTOR) |
X
|
X
|
|
| 12 | Current limit (CURRENT LIMIT) |
X
|
X
|
|
| 13 | Overcurrent (OVERCURRENT) |
X
|
X
|
X
|
| 14 | Earth fault (EARTH FAULT) |
X
|
X
|
|
| 15 | Switch mode fault (SWITCH MODE FAULT) |
X
|
X
|
|
| 16 | Short-circuit (CURR. SHORT CIRCUIT) |
X
|
X
|
|
| 17 | Serial communication timeout (STD BUS TIMEOUT) |
X
|
X
|
|
| 18 | HPFB bus timeout (HPFB TIMEOUT) |
X
|
X
|
|
| 33 | Out of frequency range (OUT FREQ RNG/ROT LIM) |
X
|
||
| 34 | HPFB communication fault (PROFIBUS OPT. FAULT) |
X
|
X
|
|
| 35 | Inrush fault (INRUSH FAULT) |
X
|
X
|
|
| 36 | Overtemperature (OVERTEMPERATURE) |
X
|
X
|
|
| 37-45 | Internal fault (INTERNAL FAULT) |
X
|
X
|
|
| 50 | AMT not possible |
X
|
||
| 51 | AMT fault re. nameplate data (AMT TYPE.DATA FAULT) |
X
|
||
| 54 | AMT wrong motor (AMT WRONG MOTOR) |
X
|
||
| 55 | AMT timeout (AMT TIMEOUT) |
X
|
||
| 56 | AMT warning during AMT (AMT WARN. DURING AMT) |
X
|
||
| 99 | Locked (LOCKED) |
X
|
Đèn led thông báo trạng thái tương ứng khi biến tần có lỗi:
| LED indication | |
Warning
|
yellow
|
Alarm
|
red
|
Trip locked
|
yellow and red
|
Thông tin chi tiết về lỗi/ cảnh báo biến tần VLT 28000:
WARNING/ALARM 2: Live zero fault
The voltage or current signal on terminal 53 or 60 is below
50% of the preset value in parameter 309 or 315 Terminal, min. scaling.
WARNING/ALARM 4: Mains phase fault
No phase on mains supply side. Check the supply voltage to
the frequency converter. This fault is only active in 3-phase mains supply. The
alarm can also occur when the load is pulsing. In this instance the pulses must
be dampened, e.g. using an inertia disc.
WARNING 5: Voltage warning high
If the intermediate circuit voltage (UDC) is higher than
Voltage warning high the frequency converter will give a warning and the motor
will continue to run unchanged. If the UDC remains above the voltage warning
limit, the inverter will trip after a set time. The time depends on the device,
and is set at 5 - 10 sec. Note: The frequency converter will trip with an alarm
7 (overvoltage). A voltage warning can occur when the connected mains voltage
is too high. Check whether the supply voltage is suitable for the frequency
converter, see Technical data. A voltage warning can also occur if the motor
frequency is reduced too quickly due to ramp down time being too short.
WARNING 6: Voltage warning low
If the intermediate circuit voltage (UDC) is lower than
Voltage warning low the frequency converter will give a warning and the motor
will continue to run unchanged. A voltage warning can occur when the connected
mains voltage is too low. Check whether the supply voltage is suitable for the
frequency converter, see Technical data. When the frequency converter is
switched off a brief warning 6 (and warning 8) appears.
WARNING/ALARM 7: Overvoltage
If the intermediate voltage (UDC) goes over the inverter's
Overvoltage limit the inverter will be switched off until the UDC has once more
fallen below the overvoltage limit. If the UDC remains above the overvoltag
limit the inverter will trip after a set time. The time depends on the device,
and is set at 5 - 10 sec. An overvoltage in the UDC can occur when the motor frequency is
reduced too quickly due to ramp down time being too short. When the inverter is
switched off a trip reset is generated. Note: Voltage warning high (warning 5)
will thus also be able to generate an alarm 7.
WARNING/ALARM 8: Undervoltage
If the intermediate circuit voltage (UDC) is lower than the
inverter's Undervoltage limit the inverter will be switched off until the UDC
once more goes above the undervoltage limit. If the UDC remains under the
undervoltage limit, the inverter will trip after a set time. The time depends
on the device, and is set at 2 - 15 sec. An undervoltage can occur when the
connected mains voltage is too low. Check whether the supply voltage is
suitable for the frequency converter, see Technical data. When the frequency
converter is switched off a alarm 8 (and alarm 6) is displayed briefly and a
trip reset is generated. Note: Voltage warning low (warning 6) will thus also
be able to generate an alarm 8.
WARNING/ALARM 9: Inverter overload
Electronic thermal inverter protection indicates that the
frequency converter is close to tripping due to overloading (output current too
high for too long). The counter for electronic thermal inverter protection
gives a warning at 98% and trips at 100% accompanied by an alarm. The frequency
converter cannot be reset until the counter drops below 90%. This fault arises
because the frequency converter has been overloaded for too long.
WARNING/ALARM 10: Motor overloaded
According to the electronic thermal inverter protection the
motor is too hot. In parameter 128 the user can select whether the frequency
converter should emit a warning or an alarm when the counter reaches 100%. This
fault is due to the motor being overloaded by more than 100% for too long.
Check that motor parameters 102-106 are set correctly.
WARNING/ALARM 11: Motor thermistor
The motor is too hot or the thermistor/thermistor connection
has been disconnected. In parameter 128 Thermal motor protection the user can
select whether the frequency transformer emits a warning or an alarm. Check
that the PTC thermistor is correctly connected between terminals 18, 19, 27 or
29 (digital input) and terminal 50 (+ 10 V supply).
WARNING/ALARM 12: Current limit
The output current is greater than the value in parameter
221 Current Limit LIM , and the frequency converter will trip after a set time,
selected in parameter 409 Trip delay overcurrent.
WARNING/ALARM 13: Overcurrent
The inverter's peak current limit (approx. 200% of rated
output current) has been exceeded. The warning will last approx. 1-2 sec, and
the frequency converter will then trip and emit an alarm. Switch off the
frequency converter and check whether the motor shaft can be turned, and
whether the size of the motor is suitable for the frequency converter.
ALARM 14: Earth fault
There is a discharge from the output phases to earth, either
in the cable between the frequency converter and the motor, or in the motor. Turn
off the frequency converter and remove the earth fault.
ALARM 15: Switch mode fault
Fault in switch mode power supply (internal supply). Contact
your Danfoss supplier.
ALARM: 16: Short-circuit
There is a short-circuit on the motor terminals or in the motor.
Disconnect the mains supply to the frequency converter and remove the
short-circuit.
WARNING/ALARM 17: Serial communication timeout
There is no serial communication to the frequency converter.
The warning will only be active when 514 Bus timeout function is set to a value
other than OFF. If parameter 514 Bus timeout function is set to Stop and trip
[5], it will first give a warning and then ramp down and trip out accompanied
by an alarm. Parameter 513 Bus timeout can if required be increased.
WARNING/ALARM 18: HPFB bus timeout
There is no serial communication to the frequency
converter's communication option card. This warning will only be active when
parameter 804 Bus timeout function is set to a value other than OFF. If
parameter 804 Bus timeout function is set to Stop and trip, it will first give
a warning and then ramp down and trip out accompanied by an alarm. Parameter
803 Bus timeout can if required be increased.
WARNING 33: Out of frequency range
This warning is active if the output frequency has reached
Output frequency low limit (parameter 201) or Output frequency high limit
(parameter 202). If the frequency converter is in Process regulation, closed
loop (parameter 100) the warning will be active in the display. If the
frequency converter is in another mode than Process regulation, closed loop,
bit 008000 Out of frequency range in extended status word will be active, but
there will not be a warning in the display.
WARNING/ALARM 34: HPFB communication fault
Communication fault only occurs in Fieldbus versions.
Regarding alarmtype, please see parameter 953 in fieldbus literature.
ALARM 35: Inrush fault
This alarm occurs when the frequency converter has been
connected to the mains supply too many times within 1 minute.
WARNING/ALARM 36: Overtemperature
If the temperature inside the power module rises above 75 -
85 °C (depending on the device) the frequency converter will emit a warning,
and the motor will continue to run unchanged. If the temperature continues to
rise, the switch frequency is reduced automatically. See Temperature-dependent
switching frequency.
If the temperature inside the power module rises above 92 -
100 °C (depending on the unit) the frequency converter will cut out. The
temperature fault cannot be reset until the temperature has dropped to below 70
°C. The tolerance is ± 5 °C. The temperature can be caused by the following:
- The ambient
temperature too high.
- Motor cable too
long.
- Too high mains
voltage.
ALARM 37-45: Internal fault
If one of these failures occurs, please contact Danfoss.
Alarm 37, internal fault number 0: Communication fault
between control card and BMC.
Alarm 38, internal fault number 1: Flash EEPROM fault on control
card.
Alarm 39, internal fault number 2: RAM fault on control
card.
Alarm 40, internal fault number 3: Calibration constant in
EEPROM.
Alarm 41, internal fault number 4: Data values in EE-PROM.
Alarm 42, internal fault number 5:
Fault in motor parameter database.
Alarm 43, internal fault number 6: General power card fault.
Alarm 44, internal fault number 7: Minimum software version
of control card or BMC.
Alarm 45, internal fault number 8: I/O fault (digital
input/output, relay or analog input/output).
When restarting after an alarm 38-45, the frequency
converter will display an alarm 37. In parameter 615 the actual alarm code can
be read.
ALARM 50: AMT not possible
One of the following three possibilities can occur:
- The calculated RS
value falls outside permitted limits.
- The motor current
in at least one of the motor phases is too low.
- The motor in use
is too small for AMT calculations to be performed.
ALARM 51: AMT Fault regarding nameplate data
There is inconsistency between the registered motor data.
Check the motor data for the relevant setup.
ALARM 52: AMT missing motor phase
The AMT function has detected a missing motor phase.
ALARM 55: AMT timeout
Calculations are taking too long, possibly due to noise on
the motor cables.
ALARM 56: AMT warning during AMT
A frequency converter warning is given while AMT is being
performed.
WARNING 99: Locked
See parameter 18.
Alarm/warning
limits:
| Without brake | With brake | Without brake | With brake | |
| VLT 2800 | 1 / 3 x 200 - 240 V | 1 / 3 x 200 - 240 V | 3 x 380 - 480 V | 3 x 380 - 480 V |
| [VDC] | [VDC] | [VDC] | [VDC] | |
| Undervoltage | 215 | 215 | 410 | 410 |
| Voltage warning low | 230 | 230 | 440 | 440 |
| Voltage warning high | 385 | 400 | 765 | 800 |
| Overvoltage | 410 | 410 | 820 | 820 |
The voltages stated are the intermediate circuit voltage of the frequency converter with a tolerance of ± 5
%. The corresponding line voltage is the intermediate circuit voltage divided by 1,35.
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