Gree GMV-400WM/B-X - Page 337

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
334
The memory module has 5 indicating LEDs:
LED
Meaning
User
User LED, set by the user program with the base address of the module
(SET = off; RES = on)
Diag
Flashes when there is an error message
Write Prot
Active when a "write-protected" condition is detected (read-only SD switch,
BCD switch or software)
Busy
Do not remove the module when this LED is on.
Activity
Works as with a hard disk drive; flashes when data being processed
Note: Do not remove the card when the "Busy" LED is on.
4.3.4 I/O Module Indicating LED
As shown in the figure above, E0, E1, E/A2, E/A3 indicating LEDs are marks for four inputs and E/A4,
E/A5, A6, A7 indicating LEDs are marks for four outputs. Among them, when any one is the high-level
input/output, the corresponding LED will light on. (Voltage between each I/O and GND is 24V. I/O is at
the high level.)
4.4 Field Installation
4.4.1 Hardware Installation
1. Outline Dimensions
2. Installation in the Electric Control Cabinet