Mitsubishi Electric LOSSNAY PZ-25RF8-E Handbook page 51

Error
No.
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 supplied
to the system, the
Lossnay remote con-
troller 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 display
of PZ-52SF-E goes blank
and the system does not
start.
7 The power display "
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 specifications is used.
« The M-NET transmission cable is connected to
TM4 1, 2.
« The transmission cable is not properly con-
nected to MELANS or City Multi.
« The length of the transmission cable wiring is
longer than specified (longer than maximum
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 specified (longer than maximum
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 specified (longer than maximum
200 m from the power supply unit, longer than
500 m between ends).
« When using the Lossnay units connected to
"
indoor unit transmission cable side and
Lossnay M-NET remote controllers:
1PZ-52SF-E is not correctly connected to the
transmission cables of the indoor units.
2The outdoor unit is not turned on.
3The length of transmission cable wiring from
the outdoor units is longer than specified
(longer than 200 m).
« When using a power supply unit
1The power supply unit is not connected with
the transmission cable.
2The power supply unit is not turned on.
3The length of the M-NET transmission cable
wiring from the power supply unit is longer
than specified (longer than 200 m).
« The transmission cable power supply restric-
tions have been exceeded.
Cause
— 51 —
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
using 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.)
1 Check the transmission cable
connection.
2 Check the power of the outdoor unit.
3 Check the length of the trans-
mission cable wiring.
(See the technical manual for
details about the regulations.)
1 Connect the power supply unit
with the transmission cable.
2 Check the power of the power
supply unit.
3 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 supply
restrictions of the outdoor units,
or the power supply units.
(See the technical manual for
details about the restrictions.)