Mitsubishi Electric Lossnay LGH-RX5-E Series Manual page 61

Error
No.
8 The damper board does
not operate.
9 Operation monitor output
is OFF during operation.
10 Delay operation does not
work even though Delay
operation is set.
11 Night purge operation
does not work even
though Night purge oper-
ation is set.
12 The fan does not stop
even though the remote
controller is set to stop.
13 The damper board does
not operate correctly.
Cause
« The outdoor air temperature is 8°C or lower.
« The bypass ventilation switching external input
(CN16) is set to ON.
« During the night purge operation
« Damper board operation is not correct.
« Connectors for the thermistor are not correctly
connected.
« Connectors for the damper are not correctly
connected.
« The trial operation switch (SW2-1) on the
Lossnay circuit board is turned ON.
« When the "OPERATION MONITOR" is set to
"2" with the PZ-60DR-E function selection, or
when the function selection switch (SW5-2) on
the Lossnay circuit board is ON, because there
is operation monitor output interlocked with the
air supply fan, the operation monitor output will
turn OFF when the outdoor temperature is -
10°C or less, or at the time of air conditioner
defrosting.
« Pulse input setting is set to ON.
• The night purge conditions have not been sat-
isfied.
• Lossnay has been started or stopped during
the display of " (Night purge)".
• Night purge operation will not be performed
when "CENTRAL" is displayed.
« Operation monitor with delay function is set.
(Function selection switch (SW2-8 or SW5-6) is
set to ON)
« The switch (SW5-10) setting is incorrect.
Action
« Check the outdoor air temperature.
« Check the bypass ventilation
switching input (CN16). (Refer to
page C-70)
« Check the display of the PZ-
60DR-E. (" " is displayed)
« Remove the rod, and check
whether the damper board can
be moved manually.
« Check the connections of the
lead wire connectors and the cir-
cuit connectors.
« Check the connections of the
lead wire connectors and the cir-
cuit connectors.
« Check the trial operation switch
(SW2-1) on the Lossnay circuit
board. (Refer to page C-76)
« Check the operation monitor out-
put setting with the PZ-60DR-E
function selection, or the function
selection switch (SW5-2) on the
Lossnay circuit board.
(Refer to page C-72 and C-90)
« <When using PZ-60DR-E>
Check the pulse input setting
from the function selection.
(Refer to page C-90)
<When not using PZ-60DR-E>
Check the setting of the pulse
input switch (SW2-2) on the
Lossnay circuit board.
(Refer to page C-73).
• Check whether these are the
night purge operation conditions.
(Refer to page C-82 and C-90)
• When Lossnay has been started
or stopped during the display of
" ", the night purge operation
will not be performed until 1:00 of
the next day.
« Check the setting of the function
selection switch (SW2-8 or SW5-
6). The fan will stop 3 minutes
after the remote controller OFF
operation. (Refer to page C-74
and C-75)
« Check the switch (SW5-10) setting.
LGH-15 to 100 types: OFF
LGH-150 and 200 types: ON
(Refer to page C-72)
C-61