What does error E11 mean on my Toshiba VN-U01001SY-E?
Error E11 on your Toshiba Fan indicates a communication problem between the Application control kit and the indoor unit. Start by checking the connector on the indoor unit (CN521 (red)) for the Application control kit. Then, check the connection of the indoor-Application control kit communication line. After that, inspect the indoor PC board and the Application control kit PC board.
Why is there an abnormal sound coming from my Toshiba Fan?
If you notice an abnormal sound coming from inside your Toshiba Fan, it could be due to several reasons. It might be that the bearing is in poor condition, in which case you should replace the motor with a new one. The fan might not be installed properly, a foreign object may have been taken in, or the fan has been deformed. Securely install the fan, remove any foreign objects, or replace the fan with a new one. Also, check if any screws are loose and tighten them firmly. Finally, a clogged filter or heat exchange element could be the culprit, so clean them.
How to fix communication trouble between control PC board on Toshiba VN-U01001SY-E Fan (Error E10)?
If your Toshiba Fan displays error E10, it indicates a communication issue between the control PC board. First, check the connectors on the indoor unit (CN520 (blue) and CN570 (blue)). Then, inspect the communication line between the indoor unit control PC board and the Branch PC board for UART. Finally, check both the indoor control PC board and the Branch PC board of UART for any defects.
How to fix a Toshiba Fan that won't start when pressing the button?
If your Toshiba Fan does not start after pressing the button, it could be due to a few reasons: * The circuit breaker might be turned off. * There may have been a power failure. * The “ ” indicator light might be on, indicating that the ventilation delay setting is set to “ON”. In this case, the unit will start running after the set time has passed. If the “ ” indicator light is on, consult your dealer for details.
What to do if my Toshiba VN-U01001SY-E Fan runs but the operation lamp doesn't turn on?
If your Toshiba Fan unit runs but the operation lamp doesn't turn on, check if the “ ” or “ ” indicator appears on the display. If it does, consult your dealer to change the setting to “OFF”.
Why does my Toshiba Fan start running without using the remote controller?
If your Toshiba Fan starts running without using the remote controller, it might be due to the unit recovering from a power failure or when you turned on the circuit breaker. For further assistance, it's recommended to consult your dealer for details.
What to do if my Toshiba Fan does not start?
If your Toshiba Fan does not start after pressing the button, it could be due to several reasons: the circuit breaker might be turned off, a power failure might have occurred, or the “ ” display might be active because the ventilation delay setting is set to CODE No. [4B] “ON”. The Heat recovery ventilation unit will start running after the time set has passed.
What to do if the operation lamp does not turn on in Toshiba VN-U01001SY-E?
If the operation lamp does not turn on, check if the “ ” or “ ” indicator appear on the display. The nighttime heat purge operation or 24-hour ventilation is set to CODE No. [4C] [49] “ON”. See section “6. Control outline No.4 and No.8” for specification outline.
Why does my Toshiba VN-U01001SY-E Fan start running by itself?
If your Toshiba Fan starts running without you operating the remote controller, it could be because the unit has just recovered from a power failure or you've just turned on the circuit breaker. The settings concerning recovering from power failure or start/stop by power on/ off are set to CODE No. [28] [9D] “ON”. Consult your dealer for details.
Why is the motor not running fast enough on my Toshiba VN-U01001SY-E Fan?
If your Toshiba Fan's motor isn't running fast enough, it could be due to the motor bearing not running smoothly. In this case, replace the motor with a new one.
General advice for safe operation of the unit.
Safety considerations for unit installation by qualified personnel.
Specific installation cautions for safe operation.
Specific operational cautions for safe use.
Points to check before requesting repair service.
Steps to confirm and check issues before contacting support.
Information on how to contact for repair services.
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