Mitsubishi Electric Lossnay LGH-100RX4-E, Handbook

Page: 30 / 76

«
After supplying power to the sys-
tem, HO blinks for a maximum of
about 10 minutes.
(This is not an error.)
«
Make the group setting (registra-
tion). If using a system with a sys-
tem controller, register at the sys-
tem controller. If there is only the
Lossnay remote controller, register
at the remote controller.
« Check the group setting at the
MELANS.
«
Check the power supply to the
Lossnay.
«
Check the power supply.
«
Check the transmission cable
connection (connected to
A
,
B
of terminal unit TB5 on the
Lossnay board).
« Check the Lossnay address.
«
If the board has been replaced,
reset the group settings.
«
Check the length of the trans-
mission cable wiring.
2
No.
Displays “HO” and does
not start.
«
It is less than 10 minutes since the power was
supplied to the system.
«
Group setting (registration) has not been
made.
« Remote control address has not been registered
in the group setting by the system controller.
«
Power supply to the Lossnay is not turned on.
«
Lossnay is connected to a power supply with a
rating outside specification.
«
Lossnay transmission cable connection termi-
nal is wrong.
« Lossnay address was changed.
«
Lossnay board was changed.
«
The length of wiring of the transmission cable is longer
than specifications (longer than maximum 200 m from
the power supply unit, longer than 500 m between ends).
3 Cannot register the
Lossnay from the remote
controller or the con-
troller.
«
Power supply to the Lossnay is not turned on.
« Lossnay is connected to a power supply with a
rating outside specification.
«
Transmission cable to the Lossnay is not con-
nected.
«
Lossnay transmission cable connection termi-
nal is wrong.
«
Lossnay address is wrong.
« The length of wiring of the transmission cable is longer
than specifications (longer than maximum 200 m from
the power supply unit, longer than 500 m between ends).
«
Check the power supply to the
Lossnay.
« Check the power supply.
«
Check the transmission cable
connection.
«
Check the transmission cable
connection (connected to
A
,
B
of terminal unit TB5 on the
Lossnay table).
«
Check the Lossnay address.
« Check the length of the trans-
mission cable wiring.
4 Starts or stops, or the dis-
play changes, by itself.
«
Set for interlocked operation with City Multi.
«
Cancel interlocked operation set-
ting.
5 Displays a error code that
is not in the checklist.
«
Letters on the remote controller LCD are dim.
«
Replace the remote controller.
6 Cannot stop the Lossnay
with the remote controller
(display shows “Central”).
«
“Cancel Operation” setting is made from the
MELANS.
«
External priority ON/OFF setting is made.
«
Remote/nearby switch input (CN32) is set to
“Remote.”
«
Check the settings of the
MELANS.
«
Check the interlocked operation
mode setting.
«
Check the remote/nearby
change input (CN32).
Symptom Cause Corrective action
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