Mitsubishi Electric LGF-100GX-E Handbook page 38

No. Error
4 Cannot perform group
settings for the Lossnay
using MELANS, ME
remote controller, or MA
remote controller. ( The
remote controller dis-
plays " 88 " at the time of
registration. )
5 When power is sup-
plied to the system, the
Lossnay remote control-
ler PZ-52SF-E contin-
ues to display " HO " and
does not start. ( Group
registration information
is erased. )
6 When power is supplied
to the system, the dis-
play of PZ-52SF-E goes
blank and the system
does not start.
The power display "
7
does not appear on
the remote controller
when power is supplied
to the system.
Power is not supplied to Lossnay, or power
that does not follow specifi cations is used.
The M-NET transmission cable is connected
to TM4 .
,
The transmission cable is not properly con-
nected to MELANS or City Multi.
The length of the transmission cable wiring
is longer than specifi ed ( longer than maxi-
mum 200 m from the power supply unit,
longer than 500 m between ends ) .
Lossnay address setting ( SA1, SA2 ) is
wrong.
In a system connected to MELANS, the
group setting was performed from the
Lossnay remote controller PZ-52SF-E.
The length of the transmission cable wiring
is longer than specifi ed ( longer than maxi-
mum 200 m from the power supply unit,
longer than 500 m between ends ) .
The restricted number of connected PZ-
52SF-E units have been exceeded.
The length of the transmission cable wiring
is longer than specifi ed ( longer than maxi-
mum 200 m from the power supply unit,
longer than 500 m between ends ) .
"
When the Lossnay units are connected
to indoor unit transmission cable side and
Lossnay M-NET remote controllers:
PZ-52SF-E is not correctly connected to
the transmission cables of the indoor units.
The outdoor unit is not turned on.
The length of transmission cable wir-
ing from the outdoor units is longer than
specifi ed ( longer than 200 m ) .
When a power supply unit is used
The power supply unit is not connected
with the transmission cable.
The power supply unit is not turned on.
The length of the M-NET transmission
cable wiring from the power supply unit is
longer than specifi ed ( longer than 200 m ) .
The transmission cable power supply re-
strictions have been exceeded.
Cause
─ 38 ─
Action
Check the power supply to Lossnay
and perform the registration again.
Connect the transmission cable
to TB5 , .
A B
Check the transmission cable
connection.
Check the length of the trans-
mission cable wiring.
( See the technical manual for
details about the regulations. )
Check the setting of the address
setting switches ( SA1, SA2 ) on
the Lossnay circuit board.
In a system connected to MELANS,
perform the group setting with the
MELANS. ( Do not perform the
group setting with PZ-52SF-E. )
Check the length of the trans-
mission cable wiring.
( See the technical manual for
details about the regulations. )
Check the restricted number of
remote controller units when us-
ing the power supply unit. ( See
the technical manual for details. )
Check the length of the trans-
mission cable wiring.
( See the technical manual for
details about the regulations. )
Check the transmission cable
connection.
Check the power of the outdoor
unit.
Check the length of the trans-
mission cable wiring.
( See the technical manual for
details about the regulations. )
Connect the power supply unit
with the transmission cable.
Check the power of the power
supply unit.
Check the length of the trans-
mission cable wiring.
( See the technical manual for
details about the regulations. )
Make connections within the
transmission cable power sup-
ply restrictions of the outdoor
units, or the power supply units.
( See the technical manual for
details about the restrictions. )