Hitachi RPI-0.8FSG1 Service Manual page 87

Alarm
Code
# This alarm code is indicated only when remote control switch PC-2H2 is used being connected to
indoor unit.
# This alarm occurs in the case of incorrect connection like that T
as below when indoor units are wired.
Remote Control
The unit No. and unit code are as below regardless of the indoor unit being connected to the remote
control switch.
Indoor Unit No.
Cycle System
Unit Code
Is wiring among indoor
units right?
Yes
Turn off the main power
switch and cut the wire JP4
at remote control switch,
then turn on the main power
switch again.
Phenomenon
Wiring Trouble
Incorrect Wiring Among Indoor Units
I. U. 1
CN13(blue) CN12(yellow)
Vc T T Vc T T
G L G L
Vc T T
G L
Remote
Control
Switch (yellow)
Switch
00
00
E.00
No
Cause
Incorrect Wiring
terminal is connected to Vc terminal
L
CN13(blue) CN12(yellow)
Vc T T Vc T T
G L G L
Incorrect
Wiring
Check Item
Check the wiring No.
TROUBLESHOOTING
Repair the wiring among
indoor units.
JP4
Action
(Turn OFF Main Switch)
Repair the wiring
correctly.
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