Hitachi RAS-2-HVNP Service Manual page 272

8. Troubleshooting
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Contents of the check mode 2
When more than three indoor units are connected to one remote control switch, the latest data of only the first three indoor
units that are connected serially are displayed.
If you press the part "" of the TEMP switch, the next display appears. If you press the part "" of the TEMP switch, the
previous display appears.
Temperature indication
Indoor unit air inlet temperature at
1
thermistor (°C)
Indoor unit discharge air tempera-
2
ture at thermistor (°C)
Indoor unit heat exchanger liquid
3 pipe temperature
(freeze protection) (°C)
4 Outdoor temperature (°C)
Indoor unit heat exchanger gas
5
pipe temperature (°C)
Evaporating temperature at
6
heating (°C)
7 Control information
Discharge gas temperature at the
8
top of compressor chamber (°C)
Compressor pressure/frequency indication
Discharge pressure (high)
9
(x 0.1 MPa)
Suction pressure (low)
10
(x 0.01 MPa)
11 Control information
12 Operating frequency (Hz)
Expansion opening indication
Indoor unit expansion valve
13
opening (%)
Outdoor unit expansion valve mv1
14
opening (%)
Estimated electric current indication
15 Compressor running current (A)
Returns to temperature indication
258
SMGB0079 rev.0 - 01/2013
Indication of the category code
Indication of the temperature, etc
91 23
Corresponds to check mode 1 "
92 50
Corresponds to check mode 1 "
93 25
Corresponds to check mode 1 "
94 12
Corresponds to check mode 1 "
95 25
Corresponds to check mode 1 "
96 03
Corresponds to check mode 1 "
97 --
Corresponds to check mode 1 "
98 45
Corresponds to check mode 1 "
9g 18
Corresponds to check mode 1 "
9A 04
Corresponds to check mode 1 "
96 44
Corresponds to check mode 1 "
9C 44
Corresponds to check mode 1 "
9d 20
Corresponds to check mode 1 "
9E gg
Corresponds to check mode 1 "
9F 20
Corresponds to check mode 1 "
"
b2
b3 "
b4 "
b6 "
b7 "
b8 "
b9 "
bA "
H1 "
H2 "
H3 "
H4 "
L1 "
L2 "
P1 "