Hitachi RASC-4HNPE Service Manual page 263

10 Troubleshooting
Troubleshooting in check mode

Self-checking procedure of the remote control switch
Cases where the OK switch is used:
1 If the remote control switch displays a malfunction.
2 For the regular maintenance check.
1 Turn ON the power source
Simultaneously press the following
three switches. (During the operation, you
can press the switches.)
2
The LCD changes as shown in the right
3
figure.
After the LCD changes as shown in the right
figure, the RUN indicator flickers twice.
4
The LCD changes as shown below.
Press all the switches (13 switches) one by
one.
Every time you press the switch, the number
of the indication of the part (A) in the figure
below increases one.
5
The LCD changes as shown below.
The remote control switch automatically
starts to check the transmission circuit.
6
253 SMGB0091 rev.2 - 11/2015
Nº LCD indication
1
2
3
4
5
?
N O T E
• Unless all the switches are pressed, the checking does not proceed to the
next item.
• You can press the switches in any order.
• Pressing two or more switches simultaneously is invalid and not counted.
?
N O T E
In case that the transmission circuit is abnormal, the LCD remains as shown in
the left figure and the checking does not proceed to the next item.
Indicating
period
1 second
Only for the
cancellation of
EEPROM, press
the following
1 second
three switches
simultaneously
during the
changes of the
LCD.
1 second
To
1 second
11
3 seconds
10