Meldas 500 Alarm S01 Servo alarm 003A-Z

[CBMach]

Hello
My CNC lathe with Meldas 500 Control.
The first turn On in the Morning.
It always alarm as
S01 Servo alarm 003A-Z
After turn on with Emergency press down..
Then No alarm.
wait a few minute or up to 30 minute or 1 hour.
( with try On/Off many time )
Then it can turn on and ready to use.
after that. no problem whole day.
.It only happen the first power ON each day only.

If Any one can help me any suggestion. will be appreciated.

[CBMach]

I test dis connect UVW of Z motor.
Then Turn on. Machine can READY every time.
X axis can move or HOME position .No problem.