Hitachi RAS-(4-12)HNP(1)(E) - Page 291

8 Troubleshooting
277
SMGB0087 rev.0 - 12/2013
8
Check mode
Check mode 2: The data which was held immediately before
the failure will be displayed
Check mode 1: Current data will be displayed
Normal mode
- The indication will delay as the transmission between the remote control switch and the
indoor unit takes about ten seconds.
- All the data may be displayed as "" or "1" or "255". These transient data, which
are produced temporarily by the software, do not affect the device functions at all. (The
alarm code may also be displayed as "".)
Unit number and
alarm code
displayed
The alarm code that identies the last fault that has occurred
in the displayed unit.
The unit number of the connected unit or the unit number for
which the checking mode was selected previously.
• ADDS: Number of the indoor unit in number ** cycle
• RN: Number ** refrigerant cycle
Check mode 1
After
seven
seconds
Within seven seconds to check
another unit
Forward:
Press the "" switch to increase from 00 to 01 to 02 ···
Backward:
Press the "" switch to decrease from 15 to 14 to 13 ···
Press "" to see the previous indication
Press "" to see the next indication
Press "" to see the next data
Press "" to see the previous data
Unit number and
alarm code
displayed
Check mode 2
(Refer to Check
mode 1 for details)
Check mode
disabled
Press ""
- In the check mode 2, the data of the rst three units
that are connected serially to a remote control switch
are available.
- You can press the “OK” switch to disable the check
mode 2. Check mode 1 cannot be disabled even if you
press the “OK” switch.
Press “OK” for
more than 3
seconds
After
seven
seconds
(A)
See (A)
Press “OK” for more than 3 seconds
Press “OK”
for more than
3 seconds