Troubleshooting - Hitachi RAS-2-HVNP Service Manual

7. Test run
9 To finish the test run, press " " (run/stop) again or pass
over the set test run time. When changing the test run time,
press " " or " " to select "T-RUN TIME". Then, set the test
run time (30 to 600 minutes) by pressing " " or " "
The RUN indicator on the remote control switch flashes
-
when some abnormalities such as protection devices
activated occur during the test run as well as the RUN
indicator (orange) on the indoor unit flashes (0.5 second
ON/ 0.5 second OFF). Additionally, the alarm code,
the unit model code and connected number of indoor
units will be displayed on the LCD as shown in the
figure below. If the RUN indicator on PC-ARF flashes
(2 seconds ON/ 2 seconds OFF), it may be a failure in
the transmission between the indoor unit and the remote
control switch (loosening of connector, disconnecting
wiring or breaking wire, etc.). In this case, check the
item 8.3 "Alarm Code" and perform for troubleshooting.
Consult to authorized service engineers if abnormality
can not be recovered.
174
SMGB0079 rev.0 - 01/2013
Test Run: 2 units
MODE
SPEED
LOUV.
T-RUN TIME 510MIN
SEL. ADJ STOP
01-02
22
Alarm Code:
MODEL : b .02
SEL. OP MODE
Refrigerant Cycle No.
of Indoor Unit which
Abnormality Occurs
01 - 02
22
Alarm Code:
MODEL : b . 02
Unit Model Code
COOL
MED
ALM RST
ADDR
OK ENT.
Indoor Unit No.
which Abnormality Occurs
Alarm Code No.
Total No. of Indoor Unit in
Same Refrigerant Cycle as
One that Abnormality Occurs