Schindler Altivar 212 Variable Frequency Drive

60 fault codes documented

Atn1

Auto Tune In Process

This alarm indicates that the Altivar 212 drive is currently executing an auto-tuning procedure. It is a normal operational message and typically clears automatically upon completion of the tuning process.

CApF

Cavitation Error

This fault indicates that the Altivar 212 drive has detected a cavitation condition in the motor, often resulting from excessive mechanical load or insufficient fluid flow, leading to a loss of speed or high torque.

CFI2

Download Transfer Fault

This fault occurs when the Altivar 212 drive's configuration is invalid or inconsistent, typically after a configuration download via PC software. It can also indicate an unsuccessful transfer due to rating differences between the source and target drives (e.g., uploading an ATV212N4 configuration to an ATV212M3).

CLr

Reset Active

This alarm message is displayed when the STOP key is pressed on the embedded display terminal while a detected fault is present, indicating that a reset attempt is initiated.

E-17

HMI Error

This alarm is triggered if a graphic display option key has been held down for an extended period (more than 20 seconds) or if the graphic display option key itself is malfunctioning.

E-18

VIA Signal Fault

This fault signifies that the analog input signal at terminal VIA has dropped below the minimum level defined by parameter F633 ([Loss of VIA]), indicating a potential loss of speed reference signal or sensor input.

E-19

CPU Communications Error

This fault indicates a communication error between the internal control CPUs of the Altivar 212 drive, suggesting an issue with the internal communication bus or external electromagnetic interference.

E-20

Excess Torque Boost Fault

This fault is triggered when the [Auto Torque Boost] (F402) parameter is set too high or the motor impedance is too low, leading to excessive torque boost during operation or deceleration. It can also occur under specific deceleration conditions with Quadr. U/F control.

E-21

CPU Error 2 Fault

This fault indicates an inoperable condition of the control board CPU, suggesting a critical internal hardware failure within the Altivar 212 drive.

E-38

EEPROM Power Incompatible Fault

This fault indicates an incompatibility with the EEPROM power or a detected hardware fault within the Altivar 212 product, preventing proper operation.

E-39

Initial Position Detection Fault

This fault is detected at startup if the measured current during initial position detection is either too small or too large, indicating a mismatch with the motor's inductance or an output phase loss.

EEP1

EEPROM Error 1 Fault

This fault indicates a data writing error has occurred in the EEPROM, potentially corrupting stored parameters or preventing proper parameter saving.

EEP2

EEPROM Error 2 Fault

This fault occurs if power was removed from the Altivar 212 drive during a parameter reset operation, leading to a data writing error in the EEPROM. It can also indicate issues with initial position detection or motor inductance during auto-tuning.

EEP3

EEPROM Error 3 Fault

This fault indicates a data reading error has occurred from the EEPROM, preventing the Altivar 212 drive from correctly retrieving stored parameters or configuration data.

EF2

Ground Fault

This fault signals a ground fault in the motor or the motor cables, indicating an insulation breakdown or improper grounding in the output circuit of the Altivar 212 drive.

EI

Excess Value (Display Digits Exceeded)

This alarm indicates that the number of digits required to display a value (e.g., frequency) on the embedded display terminal exceeds its four-digit capacity, meaning the value is too large to fit.

EOFF

Local Stop Enabled

This alarm indicates that the operation panel is being used to stop the Altivar 212 drive in automatic control or remote control mode, acting as an emergency stop function.

EPH0

Output Phase Loss Fault

This fault is detected when one or more output phases to the motor are lost, leading to an imbalance or interruption in motor current from the Altivar 212 drive. This can severely affect motor operation and cause damage.

EPH1

Input Phase Loss Fault

This fault occurs when one or more input phases to the Altivar 212 drive are lost, indicating an issue with the incoming AC supply or its connection to the drive.

EPtF

External Process Threshold Error

This fault indicates that a monitored condition in an external system, typically temperature, has exceeded its defined high-high threshold, as set by parameter F353 ([High high Thd]), triggering an error state.

Err1

Speed Reference Error Fault

This fault is triggered when parameters related to VIA or VIB analog input speed reference points are set improperly, leading to an inconsistent or erroneous speed command from the Altivar 212 drive.

Err1 (Alarm)

Speed Reference Alarm

This alarm occurs when the frequency setting signals at points 1 and 2 are configured too close to each other, indicating an insufficient separation in speed reference steps.

Err2

RAM Fault

This fault indicates that the internal RAM on the control board of the Altivar 212 drive is inoperable, suggesting a critical hardware failure preventing normal operation.

Err3

ROM Fault

This fault indicates that the internal ROM on the control board of the Altivar 212 drive is inoperable, suggesting a critical hardware failure preventing boot-up or program execution.

Err4

CPU Fault 1

This fault indicates an inoperable condition of the main control board CPU (CPU fault 1) within the Altivar 212 drive, suggesting a critical hardware failure that halts drive operation.

Err5

Com RJ45 Fault

This fault indicates a serial communication error over the RJ45 connection of the Altivar 212 drive, potentially due to issues with network devices, cabling, or communication settings.

Err7

Current Sensor Fault

This fault indicates an inoperable motor current sensor within the Altivar 212 drive, preventing accurate measurement of motor current and potentially leading to unprotected operation.

Err8

Network Error Fault

This fault indicates a general network communication error (not specific to RJ45) preventing proper data exchange between the Altivar 212 drive and a master controller.

Err9

Remote Keypad Fault

This fault occurs when the graphic display option cable is disconnected, preventing communication between the Altivar 212 drive and the remote keypad.

EtYP

Drive Fault (Generic)

This is a generic Altivar 212 drive fault code indicating an inoperable main control board, suggesting a severe internal hardware issue that prevents proper operation.

Etn1

Auto-tuning Fault

This fault indicates a failure during the Altivar 212 drive's auto-tuning process, which can be caused by incorrect motor parameters, an oversized motor, an undersized cable, or the motor not being completely stopped.

Fd1

Closed Damper 1 Fault

This fault indicates that the damper is locked in a closed position, preventing proper air flow or ventilation, which can lead to overheating or process issues. The drive typically locks in this fault mode.

Fd2

Closed Damper 2 Fault

This fault indicates that the damper is blocked open or soldered, preventing it from closing. This condition can affect temperature control or system operation by not restricting airflow as intended.

H1/LO

Parameter Adjustment Error (High/Low)

This alarm indicates that a value entered during programming exceeds either the maximum or minimum permissible range for that parameter.

H999

Integral Output Power Exceeded (Pout&1MWh)

This alarm indicates that the integral output power value, displayed as Pout&1MWh, has exceeded 999.99 kWh, indicating a data overflow.

HEAd/End

Display First/Last Data Items

This alarm displays the first and last data items in the AUH (Last Parameters Changed) data group, indicating the start and end of the list when accessed.

M020

Total Input Power Exceeded

This fault occurs when the accumulated input power value, typically measured in kWh, exceeds the maximum displayable value of 999.999 kWh, indicating a data overflow.

OC1

Overcurrent During Acceleration

This fault indicates an overcurrent condition during motor acceleration by the Altivar 212 drive, often caused by excessively short acceleration times, incorrect motor control settings, or high-inertia loads.

OC1P

Short Circuit or Ground Fault During Acceleration

This fault indicates a short circuit or ground fault condition detected specifically during the motor acceleration phase of the Altivar 212 drive, which can cause immediate shutdown.

OC2

Overcurrent During Deceleration

This fault indicates an overcurrent condition during motor deceleration by the Altivar 212 drive, often due to an excessively short deceleration time or a ground fault.

OC2P

Short Circuit or Ground Fault During Deceleration

This fault indicates a short circuit or ground fault condition detected specifically during the motor deceleration phase of the Altivar 212 drive, requiring immediate attention to prevent damage.

OC3

Overcurrent During Constant Speed

This fault indicates an overcurrent condition while the motor is running at a constant speed by the Altivar 212 drive, typically caused by abrupt load fluctuations or an abnormal load condition.

OC3P

Short Circuit or Ground Fault During Constant Speed

This fault indicates a short circuit or ground fault condition detected while the Altivar 212 drive is operating at a constant speed, potentially also due to a malfunctioning cooling fan.

OCA

Short Circuit Inverter at Start

This fault indicates a short circuit condition detected within the Altivar 212 drive's output inverter stage during motor startup, usually caused by a ground fault.

OCL

Short Circuit Motor Cable at Start

This fault indicates a phase-to-phase output short circuit or a low motor impedance detected in the motor or its wiring during startup by the Altivar 212 drive.

OH

Drive Overtemperature

This fault indicates that the Altivar 212 drive is overheating due to issues with its cooling system, ambient conditions, or internal sensor malfunction, leading to a trip.

OH2

PTC Overheating

This fault indicates that an external PTC thermistor embedded in the motor windings has detected a motor overtemperature condition, causing the Altivar 212 drive to trip and protect the motor.

OL1

Drive Overload

This fault indicates that the Altivar 212 drive is overloaded, often due to excessively short acceleration times, high DC injection current, incorrect motor control settings, or a rotating load.

OL2

Motor Overload

This fault indicates a motor overload condition, potentially caused by incorrect motor control settings, a jammed motor, continuous low-speed operation, or excessive load from the Altivar 212 drive.

OP1

Overvoltage During Acceleration

This fault indicates an overvoltage condition during motor acceleration by the Altivar 212 drive, which can be caused by abnormal input voltage fluctuations, issues with the power network, or power factor capacitor switching.

OP2

Overvoltage During Deceleration

This fault indicates an overvoltage condition during motor deceleration by the Altivar 212 drive, possibly due to excessively short deceleration times, overhauling loads, or fluctuating input voltage.

OP3

Overvoltage During Constant Speed

This fault indicates an overvoltage condition while the Altivar 212 drive is operating at a constant speed, often due to abnormal input voltage fluctuations, power network issues, or regenerative braking where the load causes the motor to run faster than the drive's output frequency.

Ot

Overtorque

This fault occurs when the calculated motor torque reaches or exceeds the level set by parameter F616 ([Overtorque level]), indicating that the motor is operating under excessive load and could be damaged.

SOUt

PM Motor Step-out (Permanent Magnet Motor Pulls Out of Synchronism)

This fault occurs in permanent magnet motors when the motor pulls out of synchronism, often due to a jammed motor, output phase loss, or sudden impact loads, leading to uncontrolled rotation.

UP1

Undervoltage

This fault indicates that the input voltage to the Altivar 212 drive is too low, potentially causing instability or improper operation. This can lead to a drive trip to prevent damage.

Uc

Underload

This fault indicates an underload condition where the measured motor current has dropped below the level set by parameter F611 ([Underload level]), potentially due to loss of load or mechanical failure.

db

DC Braking In Process

This alarm indicates that the Altivar 212 drive is currently applying DC braking to the motor. It is a normal operational message and should clear once the braking sequence is complete.

dbOn

DC Braking On (Crankcase Heating)

This alarm indicates that DC braking is active as part of the [Crankcase heating] (F355) function, typically when the motor is stopped to maintain temperature and prevent condensation.

h999

Integral Input Power Exceeded (Pin&1MWh)

This alarm indicates that the integral input power value, displayed as Pin&1MWh, has exceeded 999.99 kWh, indicating a data overflow.

pSrF

Prestart Speed Error

This fault indicates that the prestart speed (F327) was not reached within the specified time (F328), or the load on the motor was too high during the prestart sequence of the Altivar 212 drive.