─
49
─
Pulse input setting is set to ON.
12 The fan does not stop
even though the remote
controller is set to stop.
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 cor-
rectly connected.
Connectors for the dampers are not cor-
rectly 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 22)
Check the display of the PZ-
60DR-E. (“
” is displayed)
Remove the rod, and check
whether the dampers can be
moved manually.
Check the connections of the
lead wire connectors and the
circuit connectors.
Check the connections of the
lead wire connectors and the
circuit connectors.
Check the trial operation switch
(SW2-1) on the Lossnay circuit
board. (Refer to page 25)
9
Operation monitor out-
put is OFF during opera-
tion.
When the “OPERATION MONITOR” is set
to “2” with the PZ-60DR-E function selec-
tion, 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 op-
eration 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
output setting with the PZ-
60DR-E function selection, or
the function selection switch
(SW5-2) on the Lossnay circuit
board.
(Refer to page 25 and 28)
11 Night purge operation
does not work even
though Night purge
operation is set.
• The night purge conditions have not been
satis
fi
ed.
• 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 condi-
tions. (Refer to page 23 and 24)
• When Lossnay has been start-
ed or stopped during the display
of “ ”, the night purge opera-
tion will not be performed until
1:00 of the next day.
10 Delay operation does
not work even though
Delay operation is set.
<When using PZ-60DR-E>
Check the pulse input setting
from the function selection.
(Refer to page 29)
<When not using PZ-60DR-E>
Check the setting of the pulse
input switch (SW2-2) on the
Lossnay circuit board.
(Refer to page 25).
Operation monitor with delay function is set.
( Function selection switch (SW2-8 or SW5-
6) is set to ON)
Check the setting of the func-
tion selection switch (SW2-8
or SW5-6). The fan will stop 3
minutes after the remote con-
troller OFF operation. (Refer to
page 14)
13 The damper board does
not operate correctly.
The switch (SW5-10) setting is incorrect.
Check that the switch (SW5-10)
is OFF. (Refer to page 26)
No.
Error
Cause
Action
