Hitachi EV-1.5N1, Service Manual

Page: 285 / 480

8. Troubleshooting
271
SMGB0079 rev.0 - 01/2013
8
RAS-(4-12)H(V)NC(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 figure. (See figure above)
Capacity of operating indoor unit 02 oP 11
00~199
In case that capacity is higher than 100, the last two digits flash
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 flicker
Air flow 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 ” flashes
Temperature at the top of compressor 08
d 02
00~142 (ºC)
In case that temperature is higher than 100ºC, the last two digits flash
Evaporating temperature at heating 09 E 2 -19~80ºC
Ambient air temperature 10 o -3 -19~80ºC
Condensing temperature 11 C 0 -19~80ºC
Inverter fin temperature 12
F 20
-10~100 (ºC)
In case that temperature is 100%, “
00 ” flashes
Inverter firstly current 13 A1 12
00~199 (A)
In case that current is higher than 100ºC, the last two digits flash
Inverter secondary current 14 A2 20
00~199 (A)
In case that current is higher than 100ºC, the last two digits flash
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 ” flashes
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 flash
Connected indoor unit number 27
AA 2
00~64
Refrigerant adress 28 GA 0 00~63