Inverter Time Chart - Hitachi RASC-4HNPE Service Manual

8 Electrical checks of the main parts
Inverter

8.1.2 Inverter time chart

Main circuit power
source
Frequency
instruction
Output voltage
Soft start-stop
(frequency)
Failure signal
Activation of
protection device
Overload signal
Charged indication
(LED5, RED)
132 SMGB0091 rev.2 - 11/2015
Frequency
LOW
Frequency
All bit 1
HIGH
The changing speed depends
on command from PCB
10 sec.
Activation recovery
Turn ON
Output
Transmitting
Protection
error 30 sec.
activation
All bit 1 operation