Service Manual

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No. Check Item Corrective action
1 Are the designated cables used for the remote control-
ler transmission cable and M-NET transmission cable?
(See Table 2-1 and Table 2-2.)
Use the designated transmission cables.
2 Are the designated cables used for the external input/
output signal cable? (See Table 2-3.)
Use the designated cables.
3 Are the transmission cables wired using multicore
cables?
Use the designated transmission cables.
4 Are multiple transmission cables wired in the same pip-
ing duct?
Wire the transmission cable away from one
another.
5 Is the power supply cable wired at least 2 in. (5 cm)
away from transmission cables?
Wire the power supply cable at least 2 in. (5 cm)
away from the transmission cables.
6 Are the transmission cables connected to the desig-
nated terminal block? (See Table 2-1 and Table 2-2.)
Connect the transmission cables to the desig-
nated terminal blocks.
7 Are the transmission cables incorrectly wired, is there a
faulty connection or are screws loose?
Connect the cable securely and correctly, and
tighten the screws firmly.
8 Is the wiring length of the transmission cable within the
regulations? (See Table 2-1 and Table 2-2.)
Wire the cables within the regulations.
9 Are communication cables wired at least 2 in. (5 cm)
away from the other communication cables?
Wire the cables at least 2 in. (5 cm) away from
the other cables.
10 Does the external input signal match the specifica-
tions? (See Table 2-3.)
Input the signal that matches the specifications.
11 Is the external input signal input to the Lossnay set as
the main Lossnay?
Input the signal to the Lossnay set as the main
Lossnay (with address number 1 or the smallest
number other than 0).
Cable M-NET transmission cable
Type Shielded cable CVVS, MVVS
Number of cores 2-core cable
Cable diameter AWG 16 (1.25 mm
2
)
Max. extension (Note 1) 219 yd. (200 m)
Total extension (Note 2) 547 yd. (500 m)
Terminal block TB5 [A] [B]
Cable PZ-62DR-EA or PZ-43SMF-E transmission cable
Type Sheathed cable
Number of cores 2-core cable
Cable diameter AWG 22 (0.3 mm
2
)
Total extension 219 yd. (200 m)
Terminal block TM4 [1] [2]
[2] Transmission cables (remote controller transmission cable, M-NET transmission cable, external input/output
signal cable, and connection cable for IT communication appliances)
Table 2-1
M-NET transmission cable specifications
(Note 1) Distance from the power supply unit to the furthest unit or system controller
(Note 2) Overall length of the cable between the units and the system controllers
Table 2-2
Remote controller transmission cable specifications