Mitsubishi Electric Lossnay LGH-RX5-E Series Manual page 57

Error
No.
7 The ventilation mode
cannot be switched with
the remote controller.
8 When the main power
supply is turned on, the
remote controller display
will indicate and Lossnay
will start.
9 There is no power failure
automatic return.
10 The fan does not stop
even though the remote
controller is set to stop.
11 When using PZ-60DR-E,
Lossnay starts or stops
operating, or the fan
speed changes, by itself.
12 When PZ-60DR-E is
used, Lossnay does not
operate in accordance
with the timer setting.
13 "CLEANING" "FILTER" /
"CLEANING" "CORE" (PZ-
60DR-E), or "FILTER" (PZ-
41SLB-E) continues to
blink and the display can-
not be reset.
Note: When two remote controllers are used, the combination of the PZ-60DR-E and PZ-41SLB-E cannot be used.
Checklist for PZ-52SF-E (Table 3-2)
Error
No.
1 Nothing displays on the
LCD.
Cause
« The bypass ventilation switching external input
(CN16) is set to ON.
« When using PZ-60DR-E, "RECOVERY SET-
TING" is set to "on" or "AUTo" with the function
selection of the remote controller.
« When not using PZ-60DR-E, the function
selection switch (SW2-6 or SW5-4) on the
Lossnay circuit board is set to ON.
« When using PZ-41SLB-E, the main power sup-
ply was turned off during operation.
« When using PZ-60DR-E, "RECOVERY SET-
TING" is set to "oFF" with the function selection
of the remote controller.
« When not using PZ-60DR-E, the function
selection switch (SW5-4) on the Lossnay cir-
cuit board is set to ON.
« Operation monitor with delay function is set to
ON. (Function selection switch SW2-8 or SW5-
6 is set to ON)
« Timer function has been set with PZ-60DR-E.
« "NIGHT PURGE" is set to "on" with PZ-60DR-E.
« When a different timer has been set with each
remote controller in a two remote controller
system, the resultant operation will not be in
accordance with the setting.
« The display is reset incorrectly.
« The remote controller has broken down.
Cause
« Transmission cable is connected to the wrong
terminal block.
« 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 from the
power supply unit or the outdoor unit is longer
than specified (maximum extension 200 m).
Action
« Check the bypass ventilation
switching input (CN16).
(Refer to page C-70)
« Check the power supply
ON/OFF/AUTO setting with the
PZ-60DR-E function selection.
(Refer to page C-90)
« Check the function selection
switch (SW2-6 or SW5-4). (Refer
to page C-73 and C-75)
« When using PZ-41SLB-E, the
operation prior to switching off the
power will return when the main
power supply is turned on. Switch
off the main power supply approx-
imately 10 seconds after Lossnay
stop with the remote controller.
« Check the power supply ON/OFF/AUTO
setting with the PZ-60DR-E function
selection. (Refer to page C-90)
« Check the function selection
switch (SW5-4) on the Lossnay
circuit board. (Refer to page C-75)
« Check the function selection
switch (SW2-8 or SW5-6).
(Refer to page C-74 and C-75)
« Check the timer function setting
with PZ-60DR-E.
« Check the night purge setting of
PZ-60DR-E. If enabled, this is
not an error. (Refer to page C-90)
« Perform the timer setting with
one remote controller only, and
use the other remote controller
as "( Timer off indicator)".
« During Lossnay operation, press
the "FILTER" button two times
(within 3 seconds).
« Replace the remote controller.
Action
« Check the transmission cable
connection (TB5 ,
A B
NET transmission cables).
« Install the power supply unit.
« Check the power to the power supply unit.
« Check the transmission cable connection.
« Check the length of the trans-
mission cable wiring. (Refer to
page C-31.)
for M-
C-57