Mitsubishi Electric LGF-100GX-E Handbook page 48

No. Error
4 Lossnay operates when
the main power is turned
on.
5 Takes in air from out-
doors during interlocked
operation with a Mr. Slim
or a City Multi, but air
supply fan does not stop
when defrosting.
6 The air supply fan and
air exhaust fan both pe-
riodically stop operating.
7 Fan speed will not
change.
Cause
When PZ-60DR-E is used, " RECOVERY
SETTING " is set to " on " or " AUTo " with the
function selection of the remote controller.
When PZ-60DR-E is not used, the function
selection switches ( SW2-6 or SW5-4 ) on the
Lossnay circuit board are set to ON.
When PZ-41SLB-E is used, the main power
supply was turned off during operation.
The outdoor air intake setting of the PAC
indoor unit or the PAC remote controller is
not enabled.
In a system that Lossnay has duct con-
nections and interlocked with Mr. Slim or
City Multi indoor units, when " EA SETTING
DEFROST " is set to " oFF " with PZ-60DR-E,
or when the function selection switch ( SW5-
3 ) on the Lossnay circuit board is ON, the
fans will stop during air conditioner defrost-
ing.
High/Low fan speed switching external input
( CN16 ) is ON.
When PZ-60DR-E is used, " POWER VENT
START " is set to " on " with the function selec-
tion of the remote controller.
When PZ-60DR-E is not used, the function
selection switch for " Power supply/exhaust
when operation starts " ( SW2-3 ) on the
Lossnay circuit board is set to ON.
When PZ-60DR-E is used, the supply fan
speed setting and the exhaust fan speed
setting are set to " L " with the function selec-
tion of the remote controller.
When PZ-60DR-E is not used, the function
selection switches for " Supply fan fi xed at
Low speed " , and " Exhaust fan fi xed at Low
speed " ( SW2-4, SW2-5 ) on the Lossnay
circuit board are set to ON.
Trial operation switch ( SW2-1 ) on the
Lossnay circuit board is set to ON.
─ 48 ─
Action
Check the power supply ON/
OFF/AUTO setting with the
PZ-60DR-E function selection.
( Refer to page 28 )
Check the function selection
switches ( SW2-6 or SW5-4 )
( Refer to page 25 )
When PZ-41SLB-E is used, the
operation prior to switching off
the power will return when the
main power supply is turned
on. Switch off the main power
supply approximately 10 sec-
onds after Lossnay stop with
the remote controller.
Set the outdoor air intake to
" ON " with the indoor unit or the
PAC remote controller.
Check the exhaust operation
setting for air conditioner de-
frosting with the PZ-60DR-E
function selection, or the func-
tion selection switch ( SW5-3 ) .
( Refer to page 25 and 29 )
Check the High/Low fan speed
switching input ( CN16 ) .
( Refer to page 20 and 21 )
Check the setting of " power
supply/exhaust when opera-
tion starts " with the PZ-60DR-E
function selection.
( Refer to page 28 )
Check the function selection
switch ( SW2-3 ) .
( Refer to page 25 )
Check the supply fan speed set-
ting and the exhaust fan speed
setting with the PZ-60DR-E func-
tion selection. ( Refer to page 28 )
Check the function selection
switches ( SW2-4, SW2-5 ) .
( Refer to page 25 )
Check the trial operation switch
( SW2-1 ) . ( Refer to page 25 )