Chapter 9 Specification - Hitachi SRW-0J Instruction Manual

For the troubleshooting of the inverter, refer to the inverter instruction manual. In this section,
the troubleshooting of the operator will be described.
1. No data appears on the screen.
2. Key operations are ignored.
3. If the operator/inverter screen becomes dark or characters cannot be identified,
inductive noise may be entered from the cable. Separate the remote operator cable
more than 15 cm from other cables. To reset the disturbed screen, turn ON any keys of
remote operator. If the same symptom appears again, turn OFF the inverter power
supply or reset the terminal reset signal.
The inverter power
supply is ON.
YES
The cable is connected
properly to both the
inverter and the remote
operator.
YES
The cable is not broken
YES
The setting data is corr- The setting data is corr-
ect to the inverter
YES
The operator is
defective
The inverter operation is
normal.
YES
The cable is connected
properly to the connector.
YES
The cable is not broken.
YES
Operator does not accept
a order, even though key is
pressed several times.
Chapter 8 Trouble shooting
NO
Turn ON the inverter
power supply.
NO Connect the cable
properly and turn ON
the power supply.
NO
Replace the cable.
NO
Set the operating
mode , refer to 6
chapter
NO
Reset the inverter.
Connect the cable
NO
properly, then turn ON the
inverter power supply.
NO
Replace the cable.
YES
The operator is defective.