Mitsubishi Electric Lossnay LGH-RX5-E Series Manual page 45

10.2 Checklist
10.2.1 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 220 to 240 V AC connected to the power
supply terminal (TM1)?
4 Has the fuse (FUSE 1) on the circuit board blown?
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?
7 Is power display LED4 (red) on the circuit board unlit?
Transmission cables (Table 1-1-2)
Check the following checkpoints when connecting with the remote controller, M-NET controller, or City Multi indoor units.
No.
1 Do the transmission cables meet regulations? (Type, diameter)
2 Is the transmission cable wired at least 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, PZ-41SLB-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, PZ-41SLB-E): Total extension within 500 m
M-NET control: Maximum extension within 200 m, total extension within 500 m
8 Is the Main/Sub selection switch (SW1) on the Lossnay circuit board set
correctly?
When using one Lossnay unit: Set the unit to "Main".
When using multiple Lossnay units: Set the first unit to "Main" and the
9 When using M-NET
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
second and following units to "Sub".
Action
Turn on the main power supply.
Use specified items.
Connect the specified power supply.
Replace the circuit board.
Connect them securely.
Make secure connections.
Check the above checkpoints.
Action
Use specified cables.
Wire the transmission cable at least
5 cm away from the power supply
cable.
Wire the transmission cables away
from the signal cables.
Using suitable cables, wire the
transmission cables so that they are
separated from one another.
Connect them securely.
Connect them to the specified termi-
nal blocks.
Wire within the regulations.
(Refer to page C-36)
Set the switches correctly.
Make the setting so that the
address does not duplicate that of
other devices within M-NET control.
Set the switches correctly to corre-
spond with the application.
(Refer to page C-72)
Set it correctly to correspond with
the application.
(Refer to page C-78 to C-90)
C-45