Hitachi RAS-8FSXN - Page 261

Indication details:
Item
7-segment display
Details
SEG2 SEG1
1 Unit accumulated operating time
07 08
Outdoor unit accumulated operating time when
the stoppage is carried out
Unit: hour (indication x 10 hours)
2 Cause for stoppage
AC
Alarm stoppage
di
Retry stoppage
Ci
Control information
3 Alarm / Stoppage cause code
01 48
Alarm and stoppage cause code.
The
outdoor
unit No. is indicated in 10 digit of
SEG2.
The compressor and fan controller No. are
indicated in one digit of SEG2.
The alarm and stoppage cause code are
indicated in SEG1.
4 Abnormal data indication
 12
The Inverter stoppage cause code is indicated
when the IT
code exists in SEG2.
F 12
The fan controller stoppage cause code is
indicated when the FT code exists in SEG2.
C 0
Stoppage cause of the constant speed
compressor abnormal current is 0 A stoppage.
C FF
Overcurrent stoppage of the constant speed
compressor.
-- --
With the exception of the above.
(7) Running current of compressor
• Inverter primary current.
The
Inverter primary current is estimated from the running current
of compressor MC1 indicated on the 7-segment display as shown
in the picture.
• Indicated running current for compressor MC2.
The running current for compressor MC2 is detected by current
sensor (CT2).
• Cause of Inverter stoppage (check the item)
Upper Limit
Lower Limit
Invent Primary Current (A)
15
10
5
15105
Running Current of Compressor MC1
Indicated on 7- segment
0
20
25
20
8 Troubleshooting
255
SMGB0065 rev. 1 - 12/2010
8