Hitachi S1 Series User Manual

S1 series standard inverter
-89-
5.5.15 Fault handling
S1 series inverter provides abundant information concerning fault handling for the convenience of the
users.
In running
Fault occurred, and the
keypad displayed fault
code
Figure out the fault
cause based on the
fault code
Figure out the most possible
cause according to P07.33–
P07.40
Run again
Proper running
Rule out
fault based on
corresponding
solutions
Consult with
HITACHI
Y
N
N
Y
Related parameter list:
Function
code
Name
Detailed parameter description
Default
value
P07.27
Type of present fault
0: No fault
1: Inverter unit U phase protection (OUt1)
2: Inverter unit V phase protection (OUt2)
3: Inverter unit W phase protection
(OUt3)
4: Overcurrent during acceleration (OC1)
5: Overcurrent during deceleration (OC2)
6: Overcurrent during constant speed
(OC3)
7: Overvoltage during acceleration (OV1)
8: Overvoltage during deceleration (OV2)
9: Overvoltage during constant speed
0
P07.28
Type of the last fault
/
P07.29
Type of the last but one fault
/
P07.30
Type of the last but two fault
/
P07.31
Type of the last but three
fault
/
P07.32
Type of the last but four fault

Hitachi S1 Series Specifications

General

Output Frequency	0 - 400 Hz
Overload Capacity	150% for 60 seconds
Frequency	50/60 Hz
Control Method	Sensorless Vector Control
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Overheat, Short Circuit
Communication	RS485, Modbus RTU
Output Voltage	3-Phase 200-240VAC, 3-Phase 380-480VAC (Matches Input Voltage)
Cooling Method	Fan Cooled