Mitsubishi Electric LGH-F300RX5-E1 Handbook page 38

7-2 Checklist
( 1 ) Troubleshooting 1: The system will not start properly.
Initialization checklist from installation to operation ( Table 1-1 )
After checking the system, verify the checkpoints listed below.
Power supply ( Table 1-1-1 )
No.
1 Is the main power supply on?
2 Do the main power supply switching capacity and wiring diameter
meet specification?
3 Is the specified power supply of 208 to 230 V AC connected to the
power supply terminal ( TM1 ) ?
Has the fuse ( FUSE 1 ) on the circuit board blown?
4
5 Are connector CN1 of the transformer primary and connector CN2 of
the transformer secondary on the circuit board securely connected?
6 Is the power supply wiring incorrectly wired, or is there a faulty connection?
Is power display LED4 ( red ) on the circuit board unlit?
7
Transmission cables (Table 1-1-2)
Check the following checkpoints when Lossnay is connected with the remote controller, M-NET controller, or
City Multi indoor units.
No.
Do the transmission cables meet regulations? ( Type, diameter )
1
2 Is the transmission cable wired at least 2 in. (5 cm) away from the
power supply cable?
3 Are multiple transmission or signal cables wired to the same power
cable duct?
4 Are multiple transmission cables wired with multi core cables?
5 Are the transmission cables securely connected to the terminals?
6 Are the transmission cables connected to the specified terminal
blocks?
Basic system ( PZ-60DR-E ) : TM4 1, 2
M-NET control: TAB5
7 Is the wiring length of the transmission cable within the regulations?
Basic system ( PZ-60DR-E ) : Total extension within 547 yd. (500 m)
M-NET control: Maximum extension within 219 yd. (200 m), total extension
Is the Main/Sub selection switch ( SW1 ) on the Lossnay circuit board
8
set correctly?
When using one Lossnay unit: Set the unit to "Main".
When using multiple Lossnay units: Set the first unit to " Main " and
9 When M-NET is used
Is the address setting on the Lossnay circuit board ( SA1, SA2 ) set to
the correct number?
10 When PZ-60DR-E is not used, are the function selection switches
( SW2, SW5 ) on the Lossnay circuit board set correctly?
11 When PZ-60DR-E is used, is the function selection set correctly?
Checkpoint
Checkpoint
,
A B
within 547 yd. (500 m)
the second and following units
to " Sub " .
─ 38 ─
Action
Turn on the main power supply.
Use specified items.
Connect the specified power sup-
ply.
Replace the circuit board.
Connect them securely.
Make secure connections.
Check the above checkpoints.
Action
Use specified cables.
Wire the transmission cable at
least 2 in. (5 cm) away from the
power supply cable.
Wire the transmission cables
away from the signal cables.
Use suitable cables to wire the
transmission cables so that they
are separated from one another.
Connect them securely.
Connect them to the specified
terminal blocks.
Wire the cables within the regula-
tions. ( See the technical manual
for details about the regulations. )
Set the switches correctly.
Make the setting so that the ad-
dress does not duplicate that of
other devices within M-NET control.
Set the switches correctly to cor-
respond with the application.
( Refer to page 30 and 31 )
Set it correctly to correspond with
the application.
( Refer to page 32 to 34 )