Mitsubishi Electric PURY-HP144, Service Handbook

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[10-1 LED Status Indicators ]
2
- chapter 10 HWE18220_GB
10 LED Status Indicators on the O
u
tdoor Unit Circuit Board
10-1-2 Initial LED Display
From power on until the completion of initial settings, the following information will be displayed on the monitor screen.
(Displays No. 1 through No. 4 in order repeatedly.)
After the initial settings have been completed, the information on these items can be checked by making the switch setting
that corresponds to No. 517 in the LED display table.
Only item No. 1 "Software Version" appears on the display if there is a wiring failure between the control board and the trans-
mission line power supply board or if the circuit board has failed. LED may not light up at all.
No Item Display Remarks
1
Software version
[0103] : Version 1.03
2
Refrigerant type
[ 410] : R410A
3
Model and capacity
[H-20] : Cooling/Heating 20 HP
For the first few minutes after power on, the capacity of
each outdoor unit is displayed. Thereafter, the com-
bined capacity is displayed.
4
Communication address
[ 51] : Address 51