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

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(4)Trouble Mode 4: The Lossnay does not operate or operates irregularly.
1
Lossnay checklist (Table 4).
1
No.
The fan does not operate.
The fan does not operate
normally.
«
Connectors for the fan connection or connec-
tors for the control circuit section connection
are not secure.
«
Power supply is not supplied to the Lossnay, or
power outside specifications is connected.
« Lossnay group setting is not made by using the
M-NET. (LED2 lights)
«
Check the lead wire connectors
and the control circuit section
connectors.
«
Check the power supply.
«
Check the Lossnay address and
the group setting (LED2 lights
when not using M-NET. This is
no error.)
3 Fan will not stop.
«
The trial operation switch (SW 2-1) is ON.
«
Check the test operation switch (SW2-1).
2 Interlocked operation
with external device
(air conditioner) does not
occur.
«
The type of external signal does not match the
connected terminal unit (charged, uncharged,
Mr. Slim signal).
« The type of external signal does not match the
pulse input switch (SW2-2) setting (level sig-
nal, pulse signal).
«
The external device signal is not being input.
«
The external device and signal cable wiring is
longer than specifications
(12V DC, 24V DC: Longer than limitations
of external device
Uncharged a-contact: Longer than 500 m
Mr. Slim signal: Longer than 500 m)
« The Delayed Start mode is set at the remote
controller (PZ-41SLB-E) or the function select
switch (SW 5-1) on the Lossnay circuit board.
« The ON Interlocked Operation mode or OFF
Interlocked Operation mode is set at the
remote controller (PZ-41SLB-E) or the function
select switch (SW 5-7,8) on the Lossnay circuit
board.
«
When using multiple Lossnay units, the exter-
nal control input signal is connected to a unit
with the “Sub” setting made.
«
In a group of multiple Lossnay units with the M-
NET, the external control input signal is con-
nected to a Lossnay unit other than the one
with the smallest address.
«
There is a communication error with the
remote controller or controller.
«
Check the external signal type and the
external control input terminal (TM2)
connection.
« Check the external signal type and
the pulse input switch (SW2-2)
setting.
«
Check the external device.
«
Check the wiring length of the
signal cable.
« Check the delayed start settings of
the remote controller (PZ41SLB-E)
and the function select switch
(SW5-1).
«
Check the interlocked operation mode
settings of the remote controller
(PZ41SLB-E) and the function
select switch (SW5-7, 8)
«
Connect the external control
input signal to the Lossnay set to
“Main.”
«
Connect the external control
input signal to the Lossnay in the
group with the lowest address.
«
Check the remote controller or
controller.
Symptom Cause Corrective action
—31—
4 Lossnay operates when
main power is turned on.
«
The PZ-41SLB-E is being used.
« By using the M-NET, the power supply ON/OFF
setting is set to ON at the function select switch
(SW 2-6) on the Lossnay circuit board.
«
By using the M-NET, the automatic recovery
following power supply interruption (refer to
page 61) setting is made at the function select
switch (SW 5-4) on the Lossnay circuit board.
«
When the main power supply is
turned off while the Lossnay is
operating from the remote con-
troller, the Lossnay will resume
operation when the main power is
turned back on (this is no error).
« Check the power supply ON/OFF
setting of the function select
switch (SW2-6).
«
Check the automatic recovery fol-
lowing power supply interruption
setting of the function select
switch (SW5-4).