Mitsubishi Electric LGH-F300RVX-E Handbook page 25

[2] Interlocking with air conditioners (Mr. Slim indoor unit or City Multi indoor unit) or external devices
No. Problem
1 Lossnay interlock
settings cannot be
performed with the
remote controller.
2 Lossnay does not
perform interlock
operation.
Factor
The power of the Lossnay unit is
not ON.
Faulty connection of the remote
controller transmission cable
Lossnay address setting is incor-
rect.
The power of the Lossnay unit is
not ON.
Faulty connection of the remote
controller transmission cable or
external input/output signal cables
The Lossnay unit is not set for
interlock operation.
The terminal block connected and
the type of external signal do not
match (charged or volt-free)
The type of external signal and
input setting do not match (level
signal or pulse signal).
The Lossnay unit is set to the
delay operation.
The interlock mode of the
Lossnay unit is set to "ON
Interlock" or "OFF Interlock".
In a group of multiple Lossnay
units, no Lossnay unit is set to the
main Lossnay.
In a group of multiple Lossnay
units, external control signal is
input to a Lossnay unit other than
the main Lossnay.
The Lossnay unit is operating in
the protective mode (intermittent
operation).
Check the items described in (1) [1].
Check the items described in (1) [2].
Check the Lossnay address.
Check the items described in (1) [1].
Check the items described in (1) [2].
Set the interlock setting.
Check the type of external signal and the con-
nections of the external control input terminal
(TM2).
Check the type of external signal and the set-
ting of the input (level or pulse).
(See the Lossnay technical manual.)
When PZ-61DR-E is used, it displays the icon
" " that indicates the delay operation is
in-progress.
LED1 (green) on the control circuit board lights.
The Lossnay unit starts operation in 30 minutes
(or 15 minutes) after starting operation by the
air conditioner or external signal.
Check the function selection switch (SW5-1) on
the circuit board or the function setting (No. 9) of
PZ-61DR-E.
(See the Lossnay technical manual.)
Check the interlock mode setting.
(See the Lossnay technical manual.)
For a group of multiple Lossnay units, set one
Lossnay unit as the main Lossnay (SW5-10
ON) to input external control signal.
(See the Lossnay technical manual.)
For details, see the Lossnay technical manual.
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Corrective action