Led Status Indicators (Hydro Unit); How To Read The Led - Mitsubishi Electric PUHY-M200YNW-A1 Service Handbook

[10-2 LED Status Indicators (Hydro unit) ]

10-2 LED Status Indicators (Hydro unit)

10-2-1

How to Read the LED

The operation status of the unit can be monitored on the service monitor.
The service monitor uses 4-digit 7-segment LED to display flags.
There are no check items using dipswitch settings.
LD1: Pump in operation
LD2: DIP SW 011-4 ON
LD3: DIP SW 011-5 ON
LD5: 52C
LD7: HU
LD8: Microcomputer in operation
10-2-2 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.)
No Item
Software version
1
Refrigerant type
2
Model and capacity
3
Communication address
4
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.
4
- chapter 10
7SEG LED
Display
LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8
Remarks
[0103] : Version 1.03
[ 32] : R32
[Hu-2] : WM250
[Hu-3] : WM350
[Hu-4] : WM500
[ 52] : Address 52
BS_10_E