Mitsubishi Electric LGH-100RX5 -E, Manual

Page: 61 / 107

C-61
8 The damper board does
not operate.
«
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.
«
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)
9 Operation monitor output
is OFF during operation.
«
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.
«
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)
11 Night purge operation
does not work even
though Night purge oper-
ation is set. • 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.
• 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.
10 Delay operation does not
work even though Delay
operation is set.
«
Pulse input setting is set to ON.
«
<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).
No.
Error Cause Action
12 The fan does not stop
even though the remote
controller is set to stop.
«
Operation monitor with delay function is set.
(Function selection switch (SW2-8 or SW5-6) is
set to ON)
«
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)
13 The damper board does
not operate correctly.
«
The switch (SW5-10) setting is incorrect.
«
Check the switch (SW5-10) setting.
LGH-15 to 100 types: OFF
LGH-150 and 200 types: ON
(Refer to page C-72)