Mitsubishi Electric LGH-F300RX3-E Handbook page 14

Symptom
No.
7
The power display "
does not display when
power is supplied to the
system.
8 The "HO" on the remote
controller continues to
flash when the power is
supplied to the system.
9 "LC 6608" displays on
the remote controller and
the Lossnay does not
operate.
10 The operation specified
by the centralised con-
troller differs from the
operation of the Lossnay.
(2)Trouble Mode 2
GAn error code displays on the remote controller.
GThe LED of the Lossnay circuit board is blinking.
An error code displayed on the remote controller (PZ-41SLB-E, PZ-52SF-E) or the M-NET controller and blinking
or illumination of LED1 (green) or LED2 (red) on the circuit board shows the type of error. The LED blink interval
is 0.25 seconds for both on and off. The display duration is approximately 5 seconds.
1 When using City Multi and Lossnay interlocked
"
system (connected to the indoor unit system)
« The transmission cable is not correctly con-
nected to the Lossnay remote controller.
« The power is not turned on for the outdoor unit.
« The length of wiring for the outdoor unit's M-
NET transmission cable is longer than specifi-
cation (longer than 656 ft).
2 When using a Lossnay individual system or
City Multi and Lossnay interlocked system con-
nected to the central system.
« The power supply unit is not connected to the
transmission cable.
« The power to the power supply unit is not
turned on.
« The length of wiring of the M-NET transmission
cable from the power supply unit is longer than
specification (longer than 656 ft).
« Lossnay is Not supplied with specified power.
« The address for the Lossnay remote controller
does not have a group setting at the MELANS.
« The M-NET transmission cable is connected to
TM2 5,6.
« For a Lossnay individual system with no
MELANS, Lossnay registration has not been
performed by the Lossnay remote controller.
« The remote controller is PZ-41LSB-E and con-
nected to the TB5
« The remote controller is PZ-41SLB-E and con-
nected to the TM2 5,6.
0.25S 0.25S 0.25S
ON
OFF
Error display example: Fan motor operation device error
Cause
, .
A B
5S
— 14 —
Corrective action
« Check the transmission cable
connection.
« Check the power to the outdoor unit.
« Check the length of the trans-
mission cable wiring.
« Connect to the power supply
unit.
« Check the power to the power
supply unit.
« Check the length of the trans-
mission cable wiring.
« Check the power to the Lossnay.
« Check the Lossnay remote con-
troller address registration with
the MELANS ("HO displays for 3
– 10 minute when electricity is
supplied to the system).
« Connect the transmission cable
to TB5 , .
A B
« Check the Lossnay registration
with the Lossnay remote con-
troller.
« Change to the PZ-52SF-E
remote controller (PZ-41SLB-E
can not be used with a M-NET
system).
« Change to the PZ-52SF-E
remote controller (PZ-41SLB-E
can not be used with a M-NET
system).