Failure Mode 2: The Remote Controller Does Not Work - Mitsubishi Electric LGH-F300RVX-E Handbook

Lossnay energy recovery ventilator
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(2) Failure mode 2: The remote controller does not work.

If the remote controller does not work after installation is completed, check the following items.
[1] PZ-61DR-E
No.
Problem
1 Nothing is displayed
on the remote con-
troller.
The ON/OFF lamp
does not blink.
2 The remote control-
ler continues to dis-
play "Please Wait".
Error code "6831" is
displayed.
3 It takes time for the
remote controller to
be fed with power
after turning the
Lossnay unit ON.
[2] PZ-43SMF-E
No.
Problem
1 The power indicator
" " is not displayed.
2 "H0" is displayed on
the remote control-
ler.
Factor
The power of the Lossnay unit is
not ON.
Faulty connection of the remote
controller transmission cable
In one group, three or more PZ-
61DR-E controllers are connected.
In one group, 16 or more Lossnay
units are connected.
The wiring length of the remote con-
troller exceeds 219 yd. (200 m).
In one group, two or more Lossnay
units are set as the main Lossnay
(SW5-10 ON).
The remote controller is starting up. The remote controller displays "Please Wait"
Faulty connection of the remote
controller transmission cable
The remote controller transmission
cable is connected to the terminal
block (TB5 [A] [B]) for the M-NET
transmission cable.
PZ-43SMF-E is used together.
The Lossnay unit is starting up.
Factor
The power of the Lossnay unit is
not ON.
Faulty connection of the remote
controller transmission cable
In one group, three or more PZ-
43SMF-E controllers are connected.
In one group, 16 or more Lossnay
units are connected.
The wiring length of the remote con-
troller exceeds 219 yd. (200 m).
In one group, two or more Lossnay
units are set as the main Lossnay
(SW5-10 ON).
The remote controller is starting up. The remote controller displays "H0" during
Check the items described in (1) [1].
Check the items described in (1) [2].
Only up to two PZ-61DR-E controllers can be
connected in one group.
Only up to 15 Lossnay units can be connect-
ed in one group.
The wiring length of the remote controller
shall be within 219 yd. (200 m).
Only one Lossnay unit can be set as the main
Lossnay in one group.
during start-up for maximum four minutes.
Check the items described in (1) [2].
Connect the remote controller transmission
cable to the terminal block (TM4 [1] [2]).
PZ-61DR-E and PZ-43SMF-E cannot be
used together.
The remote controller is not fed with power
during start-up of the Lossnay unit for maxi-
mum one minute.
Check the items described in (1) [1].
Check the items described in (1) [2].
Only up to two PZ-43SMF-E controllers can
be connected in one group.
Only up to 15 Lossnay units can be connect-
ed in one group.
The wiring length of the remote controller
shall be within 219 yd. (200 m).
Only one Lossnay unit can be set as the main
Lossnay in one group.
(See the Lossnay technical manual.)
start-up for a maximum of one minute.
─ 22 ─
Corrective action
Corrective action

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