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Trouble Mode 3: The remote controller does not operate or operates irregularly.
(1) Checklist for when using the PZ-41SLB-E (Table 3-1)
Symptom
No.
1
Nothing displays on the
LCD.
2
Starts or stops, or the
display changes, by
itself.
3
Displays a error code
that is not in the check
list.
4
Cannot stop the Lossnay
with the remote controller
(display shows "Interlocked").
5
Cannot switch fan speed
with the remote con-
troller.
6
Lossnay operates when
the main power supply
turns on and the remote
controller displays.
(2) Checklist for when using PZ-52SF-E (Table 3-2)
Symptom
No.
1
Nothing displays on the
LCD.
Cause
« 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).
« Multiple transmission cables have been wired
using multi core wires.
« Transmission cable and power supply cable
are too close.
« Letters on the remote controller LCD are dim.
« The release of the Delay Start button or the Fil-
ter Reset button is not good.
« External priority ON/OFF setting is made.
« High/Low change input (CN16) is ON.
« The function select switch (SW2-4.5) on the Loss-
nay circuit has the fixed high or fixed low speed set.
« Main power supply was cut during Lossnay
operation.
Cause
« 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).
Corrective action
« Check the transmission cable
connection (connected to 5,6
of terminal unit TM2 on the Loss-
nay board). (refer to page 163)
« Turn off the main power supply and
set the Main/Sub switch (SW1) (first
unit to main, second and following
units to sub). (refer to page 164)
« Check the power supply to the Lossnay.
« Check the power supply.
« Check the transmission cable
connection. (refer to page 163)
« Check the length of the trans-
mission cable wiring.
« Wire the transmission cable away
from the other transmission cable.
« Wire the transmission cable at least 5
cm away from the power supply cable.
« Replace the remote control.
« Replace the remote control.
« Check the interlocked operation
mode setting. (refer to page 171)
« Check the High/Low change
input (CN16). (refer to page 165)
« Check the function select switch
(SW 2-4.5) (refer to page 167)
« Stop the Lossnay with the
remote controller, then wait at
least 10 second and turn off the
main power supply .
Corrective action
« Check the transmission cable
connection (connected to A, B
of terminal unit TB5 on the Loss-
nay board). (refer to page 165)
« Install the power supply unit.
« Check the power to the power
supply unit.
« Check the transmission cable
connection. (refer to page 165)
« Check the length of the trans-
mission cable wiring.
153
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