Checking Of The Alarm Code History - Hitachi FSXN Series Service Manual

8 Troubleshooting

8.1.3 Checking of the alarm code history

Alarm code history is indicated in the following order while the check mode is displayed.
"no01" (latest) history data ~ "no15" (oldest)
Refer to the figure below as an example.
PSW1
PSW2(▲)
PSW4(▼) PSW2(▲)
PSW4(▼)
PSW4(▼) PSW2(▲)
PSW4(▼)
PSW4(▼)
PSW4(▼)
PSW4(▼)
Select by PSW3( )
when menu mode is displayed.
PSW4(▼)
PSW4(▼)
PSW4(▼)
PSW4(▼)
150
SMGB0065 rev. 1 - 12/2010
History is displayed up to 15 cases at the maximum
in alarm occurrence order.
PSW2(▲)
PSW2(▲)
PSW2(▲)
PSW2(▲)
PSW2(▲)
Alarm
PSW2(▲)
PSW3( )
PSW5(
PSW4(▼)
PSW4(▼)
PSW4(▼)
PSW2(▲)
PSW4(▼)
Inverter Retry
PSW3( )
PSW5(
PSW4(▼)
PSW4(▼)
PSW2(▲)
PSW4(▼)
PSW4(▼)
PSW2(▲)
Fan Controller
PSW3( )
PSW5(
PSW4(▼)
PSW4(▼)
PSW4(▼)
PSW4(▼)
history data
Accumulated time when alarm occurs.
PSW2(▲)
Indication of Stoppage Cause
Item Contents
PSW2(▲)
AC Alarm Code
d1. Retry Stoppage
PSW2(▲)
c1. Micro Computer Reset
PSW2(▲)
Alarm/Retry Code
Item Contents
10th Outdoor Unit No.
Seg2
1st Compressor/Fan Controller No.
Seg1 Alarm/Retry Code
PSW2(▲)
PSW2(▲)
PSW2(▲)
PSW2(▲)
Indication of Stoppage Code
Item Contents Remarks
iT. ITC In case of ITC
FT. FTC In case of FTC
Constant Speed Comp.
CT. 0
0(A) Stoppage
Constant Speed Comp.
CT. FF
Overcurrent
Other than above
PSW2(▲)
PSW2(▲)
PSW2(▲)
PSW2(▲)