Mitsubishi Electric Lossnay LGH-50RVS-E Handbook page 26

No. Problem
7 CO concentration is not
2
displayed on PZ-62DR-E.
[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
With the function setting No.
38, CO concentration indica-
2
tion setting is set to "0: N/A".
The detected CO
tration is outside the display
range.
The CO sensor is in warm-up oper-
2
ation. (For 15 minutes after power is
supplied to the CO
Factor
The power of the Lossnay unit is not
ON.
Faulty connection of the remote con-
troller transmission cable
Lossnay address setting is incorrect.
The power of the Lossnay unit is not
ON.
Faulty connection of the remote con-
troller transmission cable or external
input/output signal cables
The Lossnay unit is not set for inter-
lock 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 with multiple Lossnay
units, no Lossnay unit is set to the
main Lossnay.
In a group with multiple Lossnay units,
external control signal is input to a
Lossnay unit other than the main Lossnay.
The Lossnay unit is operating in the pro-
tective mode (intermittent operation).
Set the function setting No. 38 to "1:
Available on the screen of PZ-62DR-E".
(See the PZ-62DR-E Installation manual.)
concen- Detectable CO
2
300 to 2000 ppm
If the concentration exceeds 2000 ppm,
"2000" will be displayed, and if less than 400
ppm, "LO" will be displayed.
PZ-62DR-E does not display CO
while the CO
sensor) (It displays "--- ppm" during warm-up operation.)
2
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 setting
of the input (level or pulse).
(See the Lossnay Operating/Installation
Instructions or PZ-62DR-E Instruction Book.)
When PZ-62DR-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 (SW2-3) on
the circuit board or the function setting (No. 9) of
PZ-62DR-E. (See the Lossnay Operating/Installation
Instructions or PZ-62DR-E Instruction Book.)
Check the interlock mode setting.
(See the Lossnay Operating/Installation
Instructions or PZ-62DR-E Instruction Book.)
When externally controlling multiple Lossnay
units without using M-NET (and address setting),
set one Lossnay unit as the main Lossnay to
input external control signal. (Set its address to
the smallest number in the group, or set it to 1
and then set the other units address to 0.)
For details, see the Lossnay Operating/Installation
Instructions or PZ-62DR-E Instruction Book.
─ 26 ─
Corrective action
concentration range:
2
concentration
2
sensor is in warm-up operation.
2
Corrective action
"