Hitachi RAS-(2-3)HVRN(S)(2), Service Manual

Page: 301 / 488

8 Troubleshooting
291
SMGB0064 rev.0 - 08/2011
8
Item
Item Indication data
Check
No.
Inidic. Indic Contents
Total capacity of indoor unit
connected
01
Cp 22
00~96 (00~80 in case of ≤6 HP)
Input / output state of outdoor
micro-computer
02
sC 8 =
Indicates only for the segments corresponding to the equipment in the figure. (See
figure above)
Alarm code for abnormal
stoppage of compressor
03
AC 02
Alarm Code on Compressor
Inverter order frequency to
compressor
04
H1 90
0~115 (Hz)
In case that frequency is higher than 100 Hz, the last two digits flicker
Indoor order frequency to
compressor
05
H2 90
0~115 (Hz)
In case that Frequency is higher than 100 Hz, last two digits flicker
Air flow ratio 06
fo 80
00~100 (%)
In case that air flow ratio is 100%, “00” flashes
Outdoor unit expansion valve
opening
07
eo 50
00~100 (%)
In case that Expansion Valve Opening is 100%, “00” flashes
Temperature at the top of
compressor
08
8 d 82
00~142 (ºC)
In case that temperature is higher than 100 ºC, the last two digits flash
Evaporating temperature at
heating
09
8 E -3
-19~80 ºC
Ambient air temperature 10
8 o -12
-19~80 ºC
Cause of stoppage at in-
verter
11
i8 9
(See table at the next page)
Inverter fin temperature 12
8 f 82
-10~100 ºC
Inverter fin temperature 13
A1 10
0~199 ºC
Inverter secondary current 14
A2 10
00~199 (A)
Outdoor unit address 15
nA 00
00~64
In case of twin/triple/quad-type unit, the
information of 2nd to the 4th indoor 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 in-
door unit (freeze protection)
17
LA 05
-19~127 (ºC)
Indoor unit intake air tem-
perature
18
iA 28
-19~127 (ºC)
Indoor unit discharge air
temperature
19
oA 20
-19~127 (ºC)
Cause of indoor unit stop-
page
20
dA 05
00~24 ºC