Hitachi RAS-(2-6)HVNP1(E), Service Manual

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8 Troubleshooting
287
SMGB0087 rev.0 - 12/2013
8
8.3.2 Troubleshooting using the remote controller PC-ARF
Each “Check Menu” item and its function are explained in the following table.
Check Menu Item Function
Check 1 Sensor condition of air conditioner will be monitored and indicated.
Check 2 Sensor data of air conditioner prior to alarm occurrence will be indicated.
Alarm History Display Previous alarm record (date, time, alarm code) will be indicated.
Model Display Model name and manufacturing number will be indicated.
IU/OU PCB Check The result of PCB check will be indicated.
Self Checking Checking of remote control switch will be carried out.
Normal mode display Check menu display
Check Menu
Function 5
Model Display
Alarm History Display
Check 2
01
/
02
Check 1
ENT. RTN. SEL.
OK
A/C
COOL
HIGH
LOUV. ADJ
Meeting Room
MODE SPEED LOUV. TEMP
FLTR
OK
?
Press and hold “ ” (menu) and “?” (help)
simultaneously for 3 seconds during the
normal mode.

Contents of the check mode 1 and 2
(1) Press and hold “ ” (menu) and “?” (help) simultaneously for 3
seconds during the normal mode.
The check menu is displayed.
Check Menu
Function 5
Model Display
Alarm History Display
Check 2
01
/
02
Check 1
ENT. RTN. SEL. OK
(2) Select “Check 1” (or “Check 2”) from the check menu and press
“OK”.
(3) Select the set indoor unit by pressing “ ” and press “OK”.
(This screen is NOT displayed when the number of indoor units
connected with the remote control switch is 1 (one). In this case,
(4) will be displayed.)
Check 1
01-01 02-01 03-01 04-01
04-02
04-03
04-04
03-02
03-03
03-04 01-02 02-02
02-03
02-04
01-03
01-04
RTN. SEL. OK
ENT.
(4) Press “ “ or “ “ to change the screen.
Check 1:01-03
01
/
07
RTN. Next Page
b5 25
b4 20
b3 55
b2 20
Item Value
b1 22