Quick Reference
Master switch status Desperate switch
status
Device status
On On On
On Off Off
Off On Off
Off Off Off
Selftest steps
Normal selftest procedures:
1. Correctly connect the power cord. Press Power key to start up.
2. After selftest, VFD displays the output voltage and current status.
Error Information References
The following error information may occur when an error occurs during Power
On self-test:
Error message Meaning
Eeprom Failure The EEPROM is damaged.
Mainframe Initialize Lost The system setting data is lost.
Calibration Data Lost The calibration data in EEPROM is
lost.
Config Data Lost The latest operation state of the
power supply is lost.
NETWORKING… The parallel operations are abnormal
and can’t finish the networking.
Exception Handling
If the power supply cannot start normally, please check as below steps.
1. Check whether the power cord is correctly connected and confirm whether
the power supply is powered.
2. Check whether the power turn On. Power key is under “l ” “ON” status.
3. Check whether the power voltage matches with the supply voltage. Please
refer to corresponding specification to select proper AC input.
Copyright © Itech Electronic Co., Ltd.
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