HITACHI AIR COMPRESSOR

Unfortunately, you don't provide a Model number 'V73' is Version 7.3 of the Software running the control panel. They have model number like in the front page of this manual, and in this particular Manuals website you can use the search feature.

https://www.manualslib.com/manual/1652200/Hitachi-Next-Series.html#manual

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press MODE button 3 times on left screen DAY will flash press RESET MINUTE will flash, change minute what you want by pressing START.
press again RESET button HOUR will flash press START to change hour.
Press again RESET button DATE will flash change same way.
press again RESET button MONTH will flash change same way.
press again RESET button DAY will flash change same way.
After done press MODE to bring back normal time position.

Changing ALARM ....
press 2 times MODE button. Alarm HOUR will flash press START to set alarm hour.
Press again RESET button Alarm MINUTE will flash press START to change.
After done press MODE to bring back normal position.
SO YOUR TIME & ALARM GET SET.

Vsd fault 2 is a current imbalance. Check your current readings and compare them to those on the intellysis display they should match, also check for a imbalance in amps. After that it gets more complicated using board diagnostics etc

Vsd fault 7 is a fault with the hall effect sensors inside the motor, more than likely they will need replacing.

Does compressor have oil in reservoir? If not, add oil. Also the switch may have gone bad.

check encoder

these compressors are costly even the parts to maintain.I would first check if you cooling fan for the vsd drive is working which is located in the electrical panel of the compressor.A failing fan or one that has failed would cause this fault

plz any one help us vsd 7 fault and the compressor does not start and the fault appears

Hi,

There are issue with your power adapter so pls replace it .

To set the Time all you have to do is hold memo/c.adj while on standby, the screen will flash 24hr if you press tune it will flash 12hr pick weather you want 12hr or 24hr and then press memo/c.adj to set the hours press tune then hold memo/c.adj to get to the minutes and then press tune to get the minutes set