Advertisement
Call 1(800)985-6929 for Sales
`
5.3 Fault Codes
When RCU fault occurs, the Fault LED on the keypad will be lit. According to the fault states,
fault code is displayed such as below. When Fault occurs, Reset should be performed by DI5.
Fault
Code
F 01
Overload Protection
Over current
F 02
Protection
Over voltage
F 07
Protection
Overheating
F 21
Protection
Short Circuit
F 22
Protection
External Emergency
F 25
Input Signal
F32
AC Supply Open
Phase Imbalance
F 35
Protection
Call 1(800)985-6929 for Sales
hitachiacdrive.com
Function
Occurs after 100% for 100sec, 150% for 30sec
Occurs at approx, 200% of the current on power side (Protected by Software)
Threshold at approx, 800 VDC
Protected by thermistor at overheat condition(95℃)
Detects over current and protects RCU by hardware
Fault generated by external input signal
The RCU detects no, or under voltage at the AC line terminals
Imbalance between phases (R, S, T) exceeds 2%.
Table 5.1 Fault code / Fault Description
hitachiacdrive.com
Hitachi America, Ltd. RCU SERIES
Fault Description
sales@hitachiacdrive.com
17
sales@hitachiacdrive.com
Advertisement
