Service Manual

8. Troubleshooting
270
SMGB0079 rev.0 - 01/2013
RAS-(3-12)H(V)NP(E)
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
Control software No. 03
SP 11
Control Software No. in use is indicated. Alternately upper 2 digits
and lower 2 digits are indicated every 0.5 sec.
Inverter software No. 04
iP 11
Control Software No. in use is indicated. Alternately upper 2 digits
and lower 2 digits are indicated every 0.5 sec.
Inverter order frequency to compressor 05
HI 74
0~115 ( Hz)
In case that frequency is higher than 100Hz, the last two digits icker
Air ow ratio 06
Fo 80
00~15
Outdoor unit expansion valve opening 07
Eo 30
00~100 (%)
In case that expansion valve opening is 100%, “00” ashes
Discharge pressure (high) 08
Pd 30
0.1 to 4.9 MPa
Temperature at the top of compressor 09
d 02
00~142 (ºC)
In case that temperature is higher than 100ºC, the last two digits ash
Evaporating temperature at heating 10
E 2
-19~80ºC
Ambient air temperature 11
o -3
-19~80ºC
Inverter n temperature 12
F 20
-10~100 (ºC)
In case that temperature is 100%, “00” ashes
Inverter rstly current 13
A1 12
00~199 (A)
In case that current is higher than 100ºC, the last two digits ash
Inverter secondary current 14
A2 20
00~199 (A)
In case that current is higher than 100ºC, the last two digits ash
Outdoor unit address 15
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 16
EA 20
00~100 (%)
In case that opening is
100%. “00” ashes
Liquid pipe temperature of indoor unit
(freeze protection)
17
LA 05
-19~127 (ºC)
Indoor unit intake air temperature 18
iA 28
-19~127 (ºC)
Indoor unit discharge air temperature 19
oA 20
-19~127 (ºC)
Cause of indoor unit stoppage 20
dA 05
(See table at the next page)
Accumulated Operating Time of Com-
pressor
21
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
22
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
23
AC 08
Alarm code on compressor
Cause of stoppage at inverter 24
i 1
(See table at the next page)
Abnormal data record 25
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 26
CP 22
00~199
In case that capacity is higher than 100, the last two digits ash
Connected indoor unit number 27
AA 2
00~64
Refrigerant adress 28
GA 0
00~63