Hitachi RAS-8FSXN - Troubleshooting in the Check Mode by Using the Remote Control Switch

8.4 Troubleshooting in the check mode by using the remote control switch
Check Mode Released
Forward: Press the switch to rise
from 00 to 01 to 02 …
Backward:
In Check Mode 2, Data of the first
three units connected serially to a
remote control switch are available.
You can press the CHECK switch to
release Check Mode 2.
Check Mode 1 cannot be released
even if you press the CHECK switch.
Unit number of connected unit or unit number for which
checking mode was selected previously.
Alarm code identifying the last fault that has occurred in
the indicated unit.
Unit Number and
Alarm Code Displayed
After
7 seconds
Perform within
7 seconds to
ch
ec
k another unit.
(A)
Press for more
than 3 secon
ds
.
To View the Previous Indication
ADDS: Number of Indoor Unit in No. ** Cycle
RN: No. ** Refrigerant Cycle
TEMP
Press
CHECK
Press for more
than 3 seconds.
CHECK
Press
CHECK
Unit Number and
Alarm Code Displayed
Check Mode 1
Press
Press
to view the next data.
to view the previous data.
Check Mode 2
COOL
HIGH
A/C
ADDS. RN
CHECK
COOL
HIGH
A/C
CHECK
COOL
HIGH
A/C
CHECK
COOL
HIGH
A/C
CHECK
COOL
HIGH
+
VENTI
A/C
CHECK
COOL
HIGH
A/C
ADDS. RN
CHECKCHECK
After
7 seconds
See (A)
To View the Next Indication
TEMP
Press
TEMP
Press
Check Mode 1: Current data will be displayed.
Check Mode 2: Data held immediately before
failure, will be displayed.
Check
Mode
PC-ART
Use the remote control CHECK switch in the following cases.
(3)
Normal Mode
NOTES:
Indication will delay as transmission between the remote
control switch and indoor unit takes about 10 seconds.
RUN/STOP
TEMP
MODE
LOUVER CHECK
TIME
FAN SPEED
RESET
VENT
ON/OFF TIMER
(2)
To trace back the cause of trouble after restarting from
stoppage with the R
UN lamp flashing.
(4)
(1)
When the RUN lamp is flashing.
To check during normal operation or stoppage.
To monitor the temperatures of intake and discharge air.
Press the switch to descend
from 15 to 14 to 13 …
If it is not indicated check mode 1, it has possibilities that
the tr
ansmissio
n between remote control switch and
indoor unit is not correct.
All data may be displayed as "FF" or "-1" or "255".
These tr
ansie
nt data produced temporarily by software do
not affect device functions at all. (The alarm code may also
be indicated as "FF".)
8 Troubleshooting
238
SMGB0065 rev. 1 - 12/2010