Mitsubishi Electric LMAP02, Installation Manual

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14
6. Troubleshooting
LED009
Item
ON
Normal state Contents to check
Check for turn-off on the power supply (TB1) of LM-AP,
disconnection on the connectors (CN605, CN65, CN32, CN33, CN31, CN71)
and blown fuse (F).
LED402 ON
Check for turn-off on the power supply (TB1) of LM-AP,
disconnection on the connectors (CN405, CN45, CN21, CN31, CN71)
and blown fuse (F).
Service LED —
It blinks when it is not binding.
At this time, operation is unavailable from the network side from L
ON
W
ORKS
®
.
Binding the equipment which corresponds to L
ON
W
ORKS
®
network.
LED002 OFF
If it is ON when the dip switch SW2 is all OFF, the LM-AP is incompletely initialized.
Wait for 15 minutes after the power supply is turned on (Until the initializing process
is completed).
LED004 OFF
If it is ON when the dip switch SW2 is all off, the indoor unit may be troubled.
Check the connection and setting of all indoor units.
CN40/41 —
If the power supply unit is connected, insert the jumper connector to CN41.
If the power supply unit is not connected, insert the jumper connector to CN40.
SW71 —
L
ON
W
ORKS
®
The switch sets the termination of L
ON
W
ORKS
®
network.
According to the system design of L
ON
W
ORKS
®
network, check whether it is properly
set or not.
M—NET
Address switch
SWU1, SWU2
—
If MELANS is used, check whether M-NET address is overlapped or not.
Initial setting of LM-AP is 247.
Dip switch
SW1, SW2,
SW3
—
Check whether MELANS is present or not (SW1-2), and whether the
independent/combined LOSSNAY (SW1-5) is properly set or not.
Moreover, verify that all other switches are all off.
LED003 OFF
If it is ON when the dip switch SW2 is all off, check the setting of the switches and
so on, and turn on the power supply again.
6-1 Abstract
If LM-AP does not properly operate, first check the following contents.