ITT PumpSmart PS220, Руководство по конфигурации и эксплуатации

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PS220 Configuration & Operation Guide
PS220 254
Fault T
racing
CODE
(HEX)
WARNING CAUSE WHAT TO DO
A2B1 Overcurrent Output current has exceeded
internal fault limit.
• Check motor load.
• Check acceleration times in parameter group 23 Speed
reference ramp (speed control), 26 Torque reference chain
(torque control)
• check parameters 46.01 Speed scaling,
• Check motor and motor cable (including phasing and delta/star
connection). Check there are no contactors opening and
closing in motor cable.
• Check that the start-up data in parameter in Basic startup
wizard (group 99) corresponds to the motor rating plate.
• Check that there are no power factor correction capacitors or
surge absorbers in motor cable.
A2B3 Earth leakage Drive has detected load un-
balance typically due to earth
fault in motor or motor cable.
• Check there are no power factor correction capacitors or surge
absorbers in motor cable.
• Check for an earth fault in motor or motor cables by
measuring the insulation resistances of motor and motor
cable. Try running the motor in scalar control mode if allowed.
(See parameter 99.04 Motor control mode.)
• If no earth fault can be detected, contact your local ITT
representative.
A2B4 Short circuit Short-circuit in motor cable(s)
or motor.
• Check motor and motor cable for cabling errors.
• Check there are no power factor correction capacitors or surge
absorbers in motor cable.
• Perform Scalar Test
A2BA IGBT overload Excessive IGBT junction to case
temperature. This warning
protects the IGBT(s) and can
be activated by a short circuit
in the motor cable.
• Check motor cable. Check ambient conditions.
• Check air flow and fan operation. Check heatsink fins for dust
pick-up.
• Check motor power against drive power.
A3A1 DC link overvoltage Intermediate circuit DC voltage
too high (when the drive is
stopped).
• Check the supply voltage setting (parameter 95.01 Supply
voltage). Note that the wrong setting of the parameter may
cause the motor to rush uncontrollably or may overload the
brake chopper or resistor.
• Check the supply voltage.
• With A3A1 or A3A2 on parallel- connected inverter modules,
the auxiliary code indicates the affected module. The format
of the code is 0x000X XX00, where “XXX” specifies the channel
on the BCU control unit.
• If the problem persists, contact your local ITT
representative.
A3A2 DC link undervoltage Intermediate circuit DC voltage
too low (when the drive is
stopped).
A3AA DC not charged The voltage of the
intermediate DC circuit has not
yet risen to operating level.
A480 Motor cable overload Calculated motor cable
temperature has exceeded
warning limit.
• Check the settings of parameters 35.61and 35.62.
• Check the dimensioning of the motor cable in regard to required
load.
A490 Incorrect temperature
sensor setup
Sensor type mismatch • Check the settings of temperature source parameters
35.1and 35.21 against 91.21 and 91.24.
A491 External temperature 1
(Editable message text)
Measured temperature 1 has
exceeded warning limit.
• Check the value of parameter 35.02 Measured
temperature 1.
• Check the cooling of the motor (or other equipment whose
temperature is being measured).
• Check the value of 35.13 Temperature 1 warning limit.
A4A0 Control board temperature Control unit temperature is
excessive.
• Check the auxiliary code. See actions for each code below.
(none) Temperature above warning
limit
• Check ambient conditions. Check air flow and fan
operation.
• Check heatsink fins for dust pick-up.
the pump.
• Transmitter may have failed showing a “Low Value”
E20A TUNE FAILED The SmartFlow tune failed • Drive needs to be in “Remote” Control.
•
Check pump is not current limited and achieve the required
speed for the tune process.
•
See notes in the Configuration manual for Smartflow Tune.
PS220 Variable Speed Drive and Motor Warning and Fault messages
Each warning message on the keypad displays the warning name as well as and
unique code. The messages are listed in the ascending order of their fault codes
1 Thermistor broken • Contact an ITT service representative for control unit
replacement.