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Ⅵ Initializing NHX-80X for Sub stations
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.
Ⅵ 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.
3. INSTALLATION & WIRING
Inside the cover, are located dip switches SW2-1~4,
RESET switch and four LED's.
Switch cover
SW1
Power on switch
NHX-80X
Front View
In standby, the status of the LED's
are as above.
Power on
indicator
LED1 LED11 LED12
LED13
SW2
1 2 3 4
Blinking slowly
Not lit
Blinking fast
Not lit
RESET
WD MD MA DT
SET
TEST
NORMAL OFF
CHECK