Hitachi RAS-(3-6)HVRNM2E Service Manual page 299

8 Troubleshooting
Contents for Check mode 2
When more than three indoor units are connected to remote control switch, the latest data of only the first three indoor units
are connected serially are displayed.
If you press the part "▲" of the TEMP switch, the next display appears. If you press the past "▼" of the TEMP switch, the
previous display appears.
Temperature indication
Indoor unit air inlet

1 temp. at thermistor
(°C)
Indoor unit discharge

2 air temp. at thermistor
(°C)
Indoor unit heat

exchanger liquid
3
pipe temp. (freeze
protection) (°C)
Outdoor temperature

4
(°C)
Indoor unit heat

5 exchanger gas pipe
temp. (°C)
Evaporating temp.

6
at heating (°C)

7 Control information
Discharge gas temp.

8 at the top of comp.
chamber (°C)
Compressor pressure/frequency indication
Discharge pressure

9
(high) (x 0.1 MPa)
Suction pressure (low)

10
(x 0.01 MPa)

11 Control information
Operating frequency

12
(Hz)
Expansion opening indication
Indoor unit expansion
)
13
valve opening (%)
Outdoor unit

14 expansion valve mv1
opening (%)
Estimated electric current indication
Compressor running

15
current (A)
Returns to temperature indication
289
SMGB0064 rev.0 - 08/2011
Indication of the category code
Indication of the temperature, etc
Corresponds to check mode 1 " "
Corresponds to check mode 1 " "
Corresponds to check mode 1 "
Corresponds to check mode 1 "
Corresponds to check mode 1 "
Corresponds to check mode 1 "
Corresponds to check mode 1 "  "
Corresponds to check mode 1 "
Corresponds to check mode 1 "
Corresponds to check mode 1 " "
Corresponds to check mode 1 " "
Corresponds to check mode 1 "
Corresponds to check mode 1 " "
Corresponds to check mode 1 "
Corresponds to check mode 1 "
The total value is displayed when several compressors are running
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