Service Manual

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No. LED Contents Check Item Corrective action
1 LED1
(green)
Lossnay unit error
indicator
Blinking: Starting up, error occurred In the case of an error, see Failure
Mode 4.
Lit: During delay operation Lossnay operates after the delay time
has passed.
Unlit: Other than above It is normal.
2 LED2
(red)
M-NET System
error indicator
Blinking: Error occurred See Failure Mode 4.
Lit: No M-NET connection
information
When not using M-NET, it is normal.
When using M-NET, perform group reg-
istration with the system controller.
Unlit: Other than above It is normal.
3 LED3
(green)
Remote control-
ler power supply
indicator
Lit: Power supplied to the remote
controller (Main Lossnay)
The LED goes out when power is sup-
plied to the remote controller from other
Lossnay units in a group with multiple
Lossnay units.
Unlit: Power not supplied to the
remote controller (Sub
Lossnay)
4 LED4
(red)
Power supply
indicator (control
circuit board)
Check that this LED is lit. The LED lights while power is supplied
to the control circuit board.
(Do not touch the circuit board when the
LED is lit to avoid electric shock.)
5 LED6
(red)
Power supply
indicator (power
circuit board)
Check that this LED is lit. The LED lights while power is supplied
to the power circuit board.
(Do not touch the circuit board when the
LED is lit to avoid electric shock.)
[5] LED Indications on the circuit boards