Outdoor Unit Alarm History Monitor - Panasonic U-72MF2U9 Service Manual

11. Outdoor Unit Alarm History Monitor

• Displays outdoor unit alarms only.
• Check the indoor unit alarm histories separately using the
indoor unit remote controllers or other control device.
<Operating procedure>
Press and hold the
À
button simultaneously for 4 seconds or longer to engage
outdoor unit alarm history mode.
During temperature monitoring,
The display and operations are the same as for the
alarm history monitor performed from the indoor unit
remote controller. However the "UNIT No." display shows
the outdoor unit address.
Á Press the button and select the outdoor unit for
which to monitor the alarm history.
 Press the temperature setting
select the item code for the alarm history.
The select outdoor unit address, the item code, and the
alarm history (alarm data) are displayed.
The outdoor unit address is displayed as R.C. XX-YY.
System XX = Outdoor unit system address
R.C. XX = Outdoor unit system address
YY = Outdoor unit sub-bus address
Item codes 01-08 are displayed. 01 indicates the most
recent alarm.
The alarm history displays the alarm code. (If no alarm
are present, then -- -- is displayed.)
à To clear the alarm history, press the
outdoor unit alarm history will be cleared.)
Ä To exit, press the (Check) button. The display
returns to the normal display.
(Check) button and
illuminates.
and buttons and
button. (The
Outdoor Unit Maintenance Remote Controller
3
A
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