Hitachi RAS-4-HNPE - Page 283

8. Troubleshooting
269
SMGB0079 rev.0 - 01/2013
8

Check mode items
RAS-(2-2.5)HVNP / RAS-3HVNP
Item
Item Indication data
Check
No.
In-
dic.
In-
dic.
Contents
Input/output state of outdoor micro-
computer
01
SC 
Indicates only for the segments corresponding to the equipment in
the gure. (See gure above)
Capacity of operating indoor unit 02
oP 11
00~199
In case that capacity is higher than 100, the last two digits ash
Inverter order frequency to compressor 03
HI 74
0~115 ( Hz)
In case that frequency is higher than 100Hz, the last two digits icker
Indoor order frequency to compressor 04
H2 74
0~115 ( Hz)
In case that frequency is higher than 100Hz, last two digits icker
Air ow ratio 05
Fo 80
00~100 (%)
In case that air ow ratio is 100%, “00” ashes
Outdoor unit expansion valve opening 06
Eo 30
00~100 (%)
In case that expansion valve opening is 100%, “00” ashes
Temperature at the top of compressor 07
d 02
00~142 (ºC)
In case that temperature is higher than 100ºC, the last two digits ash
Evaporating temperature at heating 08
E 2
-19~80ºC
Ambient air temperature 09
o -3
-19~80ºC
Control PCB information 10
F 20
Internal information of the PCB
Control PCB information 11
A1 12
Internal information of the PCB
Inverter secondary current 12
A2 20
00~199 (A)
In case that current is higher than 100ºC, the last two digits ash
Outdoor unit address 13
nA 00
00~63
In case of twin/triple/quad-type unit,
the information of 2nd to the 4th indo-
or units is indicated repeatedly.
The right character of the indication
represents the indoor unit setting No.
Single: A
Twin: A, b
Triple: A, b, c
Quad: A, b, c, d
Indoor unit expansion valve opening 14
EA 20
00~100 (%)
In case that opening is
100%. “00” ashes
Liquid pipe temperature of indoor unit
(freeze protection)
15
LA 05
-19~127 (ºC)
Indoor unit intake air temperature 16
iA 28
-19~127 (ºC)
Indoor unit discharge air temperature 17
oA 20
-19~127 (ºC)
Cause of indoor unit stoppage 18
dA 05
(See table at the next page)
Accumulated Operating Time of Com-
pressor
19
UJ 00
0 to 9,999 (x 10 hours)
Alternately upper 2 digits and lower 2 digits are indicated every
0.5 sec.
Accumulated Operating Time of Com-
pressor
20
cU 00
0 to 9,999 (x 10 hours)
Alternately upper 2 digits and lower 2 digits are indicated every
0.5 sec.
Alarm code for abnormal stoppage of
compressor
21
AC 08
Alarm code on compressor
Cause of stoppage at inverter 22
i 1
(See table at the next page)
Abnormal data record 23
n1 00
One of the abnormal data record from latest (n1) to oldest (n9) is
indicated. Alarm code or cause code is indicated.
Total capacity of indoor unit connected 24
CP 22
00~96
In case that capacity is higher than 100, the last two digits ash
Connected indoor unit number 25
AA 2
00~64
Refrigerant adress 26
GA 0
00~63