Mitsubishi Electric Lossnay LGH-100RX4-E, Руководство пользователя

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(3)Trouble Mode 3: The remote controller does not operate or operates irregularly.
1
Checklist for when using the PZ-41SLB-E (Table 3-1)
1
No.
Nothing displays on the
LCD.
«
Transmission cable is connected to the wrong
terminal
«
No Lossnay is set to “Main.”
« Power supply to the Lossnay is not turned on.
«
Lossnay is connected to a power supply with a
rating outside specification.
«
Transmission cable is not securely connected.
«
The length of wiring of the transmission cable is
longer than specification (longer than 500 m).
«
Check the transmission cable
connection (connected to TM4
on the Lossnay board).
«
Turn off the main power supply
and set the Main/Sub switch
(SW1) (first unit to main, second
and following units to sub).
« Check the power supply to the Lossnay.
«
Check the power supply.
«
Check the transmission cable
connection.
«
Check the length of the trans-
mission cable wiring.
2
Starts or stops, or the
display changes, by
itself. «
Multiple transmission cables have been wired
using multi core wires.
«
Transmission cable and power supply cable
are too close.
« Wire the transmission cable away from
the other transmission cable.
«
Wire the transmission cable at least 5
cm away from the power supply cable.
3 Displays a error code
that is not in the check
list.
«
Letters on the remote controller LCD are dim.
« The release of the Delay Start button or the
Filter Reset button is not good.
«
Replace the remote control.
« Replace the remote control.
4 Cannot stop the Lossnay
with the remote controller
(display shows “Interlocked”).
«
External priority ON/OFF setting is made.
«
Check the interlocked operation
mode setting.
5 Cannot switch fan speed
with the remote con-
troller.
«
High/Low change input (CN16) is ON.
«
The function select switch (SW2-4.5) on the
Lossnay circuit has the fixed high or fixed low
speed set.
«
Check the High/Low change
input (CN16).
«
Check the function select switch
(SW 2-4.5)
6 Lossnay operates when
the main power supply
turns on and the remote
controller displays.
«
Main power supply was cut during Lossnay
operation.
«
Stop the Lossnay with the
remote controller, then wait at
least 10 second and turn off the
main power supply .
Symptom Cause Corrective action
—29—
2 Checklist for when using PZ-52SF-E (Table 3-2)
1
No.
Nothing displays on the
LCD. « Transmission cable is connected to the wrong
terminal
«
There is no power supply unit (for Lossnay
only systems).
«
The power supply unit is not turned on.
«
Transmission cable is not securely connected.
« Wiring length of the transmission cable is from
the power supply unit or the outdoor unit is
longer than specifications (maximum extension
200 m).
« Check the transmission cable
connection (connected to
A
,
B
of terminal unit TB5 on the
Lossnay board).
«
Install the power supply unit.
«
Check the power to the power
supply unit.
«
Check the transmission cable
connection.
« Check the length of the trans-
mission cable wiring.
Symptom Cause Corrective action