Hitachi RAS-(3-6)HVRNM2E Service Manual page 187

7 Test Run
Indication on the remote control
The operation LED flickers (1
time/1 sec.) and the unit number
and the alarm code 03 flicker
The operation LED flickers (1
time/2 sec.)
The flickering indicator is different
from the one above.
The operation lamp flashes (1
time/1 sec.).
And the unit N° 00. Alarm code
dd and Unit code E.00 flash.
5 Instructions for the recovery when the fuse of transmission circuit is blown out:
a. Correct the wiring to the terminal board.
b. Set the 1st pin on DSW7 of the indoor unit PCB to ON.
N O T E
Only for RPK-(1.0/1.5): Set the pin on DSW7 of the indoor unit PCB to ON.
Except RPK-(1.0/1.5)FSN(H)2M
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SMGB0064 rev.0 - 08/2011
Unit status
The unit does not start.
The unit does not start.
The unit does not start. The unit
starts once and then stops.
The unit does not start.
Check the indication on the remote control: Go back to point 1 after the check.
Fault
The connect wires of the operating
line are incorrect or loosened
The connection of the remote
control cable is incorrect.
The connection of the thermistor
or other connectors is incorrect.
There is tripping of the protector
The connection of the remote
control cable between indoor units
is incorrect.
Only for RPK-(1.0/1.5)FSN(H)2M
Inspection points after swit-
ching off the power supply
a. The connection order of each
terminal board. The fuse on
the PCB may have blown out
due to an incorrect wiring.
(The fue can be recovered
only once by DSW on the
PCB). Go to point 7.
b. The screw fastening of each
terminal board.
c. The connection order of the
power supply wire between
the indoor unit and the out-
door unit
This is the same as the point 3.
Check the alarm code in chapter 8.
(Service personnel should do the
checking).
Check by the abnormality mode
table in the Technical Catalogue
(do it by service people).
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