Toshiba VF-AS3 Fault codes 7
9999 - Invalid Setup by Customized Display Function
+ Cause: Invalid value set in <F710: Standard mode display> or <F720: Standard mode display of extension panel>.
+ Advice:
- Correct the value of <F710> or <F720> as per the guidelines in section [5.4.3].
A-01 - V/f 5-Point Setting Error 1
+ Cause: Two or more parameters from <vL>, <F190>, <F192>, <F194>, <F196>, and <F198> are set to the same value other than 0.0 Hz when <Pt: V/f Pattern> is "7: V/f 5-point setting".
+ Advice:
- Set different values for each parameter.
A-02 - V/f 5-Point Setting Error 2
+ Cause: The inclination of V/f is too large.
+ Advice:
- Adjust the V/f 5-point settings and <vLv>/<vL> to ensure a gentle V/f inclination.
- Increase the value of <vL> or decrease the value of <vLv>.
A-05 - Base Frequency Setting Error
+ Cause: Attempt to run at a frequency over 10 times the base frequency.
+ Advice:
- Verify that the base frequency setting is correct, such as <vL: Base frequency 1>.
- Operate within a frequency range that is no more than 10 times the base frequency.
ASIA - Setting for Asia
+ Description: The setup menu is configured for Asia.
+ Advice: No action required if this setting is intentional.
Atn - During Auto Tuning
+ Description: Auto-tuning is in progress.
+ Advice: This message indicates that auto-tuning is underway. No problem if the message disappears after a few seconds.
CHn - Setting for China
+ Description: The setup menu is configured for China.
+ Advice: No action required if this setting is intentional.
CLr - Reset Command Acceptable
+ Cause: The following actions occurred after a trip:
- [STOP] key pressed once.
- Reset terminal set to ON.
+ Advice:
- To perform a reset, press the [STOP] key again or set the reset terminal to OFF.
dAtA - No Message into LED Display Through Communication
+ Cause: "30 (LED settings through communication)" is set in <F720: Standard mode display of extension panel> without any message.
+ Advice:
- Change the setting of <F720> as per section [5.4.3] or set the message according to the "RS485 Communication Function Instruction Manual" (E6582143).
db - During DC Braking
+ Description: DC braking is in progress.
+ Advice: No action required.
dbOn - During Motor Shaft Fixing
+ Description: Motor shaft fixing is in progress.
+ Advice: This message indicates that motor fixing control is active. Control stops when standby is turned OFF.
E1 - Panel Display One Digit Overflow
+ Cause: The display digit on the operation panel overflowed by one digit.
+ Advice: Check settings to ensure they fit within the display limits.
E2 - Panel Display Two Digits Overflow
+ Cause: The display digit on the operation panel overflowed by two digits.
+ Advice: Check settings to ensure they fit within the display limits.
E3 - Panel Display Three Digits Overflow
+ Cause: The display digit on the operation panel overflowed by three digits.
+ Advice: Check settings to ensure they fit within the display limits.
EASy - Easy Mode
+ Description: Switched to Easy mode.
+ Advice: No action required if this setting is intentional.
End - Last of Data
+ Description: Indicates the last data item in the <History function>.
+ Advice: No action required.
EOFF - Emergency Off Command Acceptable
+ Cause: When a run command is other than from the operation panel, the [STOP/RESET] key was pressed once.
+ Advice:
- To apply emergency off, press the [STOP] key again. If emergency off does not occur, try pressing other keys.
Err1 - Frequency Point Setting Error
+ Cause: Points 1 and 2 of the frequency command are set too closely together.
+ Advice:
- Set apart point 1 and point 2 of the frequency command.
EU - Setting for Europe
+ Description: The setup menu is configured for Europe.
+ Advice: No action required if this setting is intentional.
FAIL - Password Failure
+ Cause: Entered number in <F739: Password verification> does not match <F738: Password setting>.
+ Advice:
- Ensure that the entered password matches the set password in <F738>.
FIrE - During Fire Speed Run/Forced Run
+ Description: Fire speed run/Forced run is in progress.
+ Advice:
- This message indicates the run is active. It will stop when the power is turned OFF.
FJOG - Forward JOG
+ Description: Forward jog run is in progress.
+ Advice: No action required if this operation is intended.
PrA - STO Activated
+ Causes:
- Open state between [STOA]/[STOB] and [PLC] terminal.
- Overload on 24V output terminal [PLC]/[P24].
- SW1 is set to the "PLC" position, and external power is not supplied.
+ Advice:
- Ensure [STOA], [STOB], and [PLC] terminals are short-circuited, typically done with a shorting bar by default.
- Check the 24V load for any overload issues.
- Verify SW1 position and ensure external power supply if required.
+ Note: If "PrA" occurs during operation, turn off the RUN command once.
t - Communication Alarm (RS485, Option)
+ Cause: Condition very close to a communication timeout trip.
+ Advice:
- Perform the same measures as for communication timeout "Err5" and "Err8," including checking the RS485 communication equipment and wiring.
tUn1 - Brake Learning Error
+ Causes:
- The load is too heavy.
- Improper parameter setting.
- Abnormal braking operation.
+ Advice:
- Perform learning with no load or a light load, approximately 3% or less of the rating.
- Set motor parameters and learning-related parameters in advance.
- Check the brake for any abnormalities.
tUn2 - Light-Load High-Speed Learning Setting Error
+ Cause: An error exists in the learning operation.
+ Advice:
- Refer to the manual E6582104 and perform the learning operation as instructed.
tUn3 - Light-Load High-Speed Learning Error
+ Cause: Improper setting of motor parameters.
+ Advice:
- Set the motor parameters according to the motor specifications.
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