Initializing NHX-80X for Sub stations

3. INSTALLATION & WIRING

Switch cover

Power on indicator

Power on switch

NHX-80X

Front View

Inside the cover, are located dip switches SW2-1~4, RESET switch and four LED's.

			SW2			SW1
						SW1
	TEST	1 2 3 4		NORMAL OFF		RESET


	SET			CHECK
	SET			CHECK

LED1 LED11 LED12 LED13
	WD MD MA			DT
Blinking fast					Blinking slowly
Blinking fast					Blinking slowly
Not lit					Not lit

In standby, the status of the LED's are as above.

The NHX-80X CCU must be set to zero after all the sub station numbers are programmed. Proceed as follows;

1.Remove the switch cover on front cover. Place the dip switch SW2-2(SET) to upper ON position. The rest dip switches must remain in OFF position.

2.Make sure sub stations are all in standby.

If a sub is not in standby mode, it cannot be acknowledged properly.

3.Turn power switch on NHX-80X ON.

4.Press RESET switch. LED 1 blinks green.

5.LED13 blinks green for 5 seconds, and goes out.

6.Place the dip switch SW2-2(SET) back to OFF position.

7.Press RESET switch again. Programming for subs is complete. All the switches must be in OFF position. LED13 starts blinking. See the status of four LED’s as above.

Checking Status of Sub stations on NHX-50M (Testing)

Test the NHX-50M to visually check status of all sub stations:

• On the bottom of the NHX-50M, press RESET button while holding down OFF button on front panel. The NHX-50M enters testing mode. Check the sub stations throughout system as follows:

From sub 1 of the first row, the LED is lit and goes out if the sub is connected.

Then, the LED of sub 2 is lit and goes out. All subs are scanned in this way to check sub’s status. If a sub is not connected, the LED is lit and remains on.

• If a sub is connected but the LED won’t go out, check status of the sub station as follows:

(1)Incorrect programming

(2)Not placed in standby with bathroom call

(3)Incorrect wire terminations

•On the subs(s), which have been found yet not programmed in testing mode, check number programming. Repeat process from Step 4 of the above section.

•To get out of testing mode, press OFF button on NHX-50M.

– 15 –

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