Hitachi RAS-8-FSNM - Test Run Operation and Abnormalities


Depress RUN/STOP switch.
a. The TEST RUN operation will be started. (The 2 hours OFF-TIMER will be set and the TEST RUN operation will be nished after 2
hours unit operation or by depressing the RUN/STOP switch again).
? NOTE
• TESTRUNoperationignoresthetemperaturelimitationandambienttemperatureduringheatingoperationtohaveacontinuous
operation,buttheprotectionsarealive.Therefore,theprotectionmayactivatewhentheheatingTESTRUNoperationisperformed
inhighambienttemperature.
• TESTRUNoperationtimecanbemodifyed/increaseddepressingthetimeswitchintheRemoteControl.
b. If the unit do not start or the operation lamp on the remote control switch is ickered, some abnormalities exist. →Go to 

Remote Control
Switch Indication
Unit Condition Wrong Portions
Inspection Points after Power
Source OFF
The operation lamp
ickers (1 time/1 sec.)
and the unit Nº and
alarm Code “03” icker
The unit does not start.
The power source of Outdoor Unit
in not turned ON.
The connecting wires of operating
line are incorrect or loosened.
1 Connecting Order of each
Terminal Board.
2 Screw fastening of each
Terminal Boards.
? NOTE
Recovering method of FUSE for
operating circuit. There is a fuse
(FUSE4onIndoorUnitPCB1,EF1
on Outdoor Unit PCB1) to protect
operatingcircuitonthePCB,when
the power lines are connected to
operating lines. If fuse is melted,
operating circuit can be recovered
oncebysettingthedipswitchonthe
PCBasshownin
The operation lamp
ickers (1 time/2 sec.)
The unit does not start.
Remote control cable is broken.
Contact of connectors is not good.
The connection of remote control
cable is incorrect
1 This is the same as item  1
and 2
Indication of Flicker
except above
The unit does not start, or start once and
then stops
The connection of thermistor or
other connectors are incorrect.
Tripping of protector exists, or else.
Check by the abnormality mode
table in the Technical Catalogue
(Do it by service people).
The operation lamp
Flickers (1 Time/1s)
Unit nº , Alarm
Code  and Unit
Code 00 icker
The unit does not start.
The connection of the remote
control cable between Indoor Units
is incorrect.
Check by the abnormality mode
table in the Technical Catalog (Do it
by service people).
1 Back to  after checking

Instructions fot the recovery when the fuse of the transmission
circuit is blown out:
1 Correct the wiring to the terminal board.
2 Set the 1st pin of DSW7 on the indoor unit PCB to ON
Set the DSW7 on the indoor unit PCB to ON
(Only RPK-1.0/1.5)
Except
RPK 1.0/1.5
Only
RPK-1.0/1.5
Outdoor PCB
DSW10
COMMISSIONING
PMML0390B REV.0 - 11/2015 - P5416649
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