Quick Start
Copyright © Itech Electronic Co., Ltd. 10
grounding. Before operation, be sure that the power supply is well
grounded.
To avoid burning out, pay attention to marks of positive and negative
polarities before wiring.
Selftest steps
Normal selftest procedures:
1. Correctly connect the power cord. Press Power key to start up.
2. After selftest, VFD display information as follows:
Error Information References
The following error information may occur when an error occurs during Power
On self-test:
If the EEPROM was damaged, the VFD will display “EEPROM Fail”.
If the latest operation state of the power supply was lost, then the VFD will
display “System Lost”.
If send channel data, the channel response failure, the VFD display the
tooltip information “Model Fail”.
If calibration data read failure, the VFD display the tooltip information “Cal
Lost”.
If the channel to send data loss, channel initialization failed, the VFD
display the tooltip information “Model Lost”.
If the factory calibration data in EEPROM is lost, and then the VFD will
display “FACT LOST”.
Exception handling
If the power supply cannot start normally, please check and take measures by
reference to steps below.
1. Check whether the power cord is correctly connected and confirm
whether the power supply is powered.
Correct wiring of power cord => 2
Incorrect wiring of power cord => Re-connect the power cord and check
whether the exception is removed.
2. Check whether the power in On. Power key is under “ ” On status.
Yes => 3
No => Please check the Power key to start power and check whether the
exception is removed.
3. Check whether the fuse of power supply is burned out.
If yes, change fuse. Detailed steps:
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