Mitsubishi Electric LGH-100RX5 -E, Manual

Page: 54 / 107

C-54
Checklist of error codes displayed on PZ-60DR-E (when using M-NET), PZ-52SF-E or M-NET controllers, and LED displays(Table2-2)
Error code
LED1
(green)
LED2
(red)
Error Cause Action
6600 — 6
blinks
Multiple
address error
«
There is another unit with the same
address setting.
«
Check the addresses of devices in
the system.
6607
6608
— 8
blinks
No ACK error
*2
No answer
error
(M-NET
communi-
cation
error)
«
Power is not supplied to Lossnay.
«
Lossnay address was changed.
«
Multiple transmission cables are
wired using multi core cables.
«
Transmission cable is not securely connected.
«
The length of the transmission cable
wiring is longer than specified (longer
than maximum extension 200 m,
longer than 500 m between ends).
«
Check the power supply to Lossnay.
«
Check the Lossnay address.
«
Using suitable cables, wire the
transmission cables so that they are
separated from one another.
«
Check the transmission cable connection.
«
Check the length of the transmission
cable wiring. (Refer to page C-36.)
0900 — — Lossnay trial
operation
«
Trial operation switch on the Lossnay
circuit board (SW2-1) is set to ON.
«
Check the trial operation switch.
(Refer to page C-68)
3126 8
blinks
— External
device
error
«
When the TM3
6
,
7
output setting
switch (SW5-6) is ON, the following
conditions are applied.
• OA temperature is still -10°C or lower,
60 minutes after the output started
• OA temperature is 15°C or higher with-
in 15 minutes after the output started
• OA temperature is 70°C or higher
«
When external devices are connect-
ed, check the external devices.
«
When external devices are not con-
nected, check the TM3
6
,
7
output
setting switch (SW5-6). (Refer to
page C-75)
3602 3
blinks
— Damper
related
error
«
Damper board operation is not cor-
rect.
«
Connectors for the damper unit are
not correctly connected.
«
The switch (SW5-10) setting is
incorrect.
«
Remove the rod, and check whether the
damper board can be moved manually.
«
Check the connection of the lead wire
connectors and the circuit connector.
«
Check the switch (SW5-10) setting.
(Refer to page C-72)
LGH-15 to 100 types: OFF
LGH-150 and 200 types: ON
4116 2
blinks
— Fan motor
operation
drive error
*1
«
The Lossnay fan does not stop due
to a breakdown of the fan motor
operation drive of the circuit board.
«
Fan motor error
«
Check and replace the circuit board.
«
Check and replace the fan motor.
5101 4
blinks
— OA thermis-
tor related
error
«
Connectors for the thermistor are
not correctly connected.
«
Check the connection of the lead
wire connectors and the circuit con-
nectors.
5102 5
blinks
— RA thermis-
tor related
error
«
Connectors for the thermistor are
not correctly connected.
«
Check the connection of the lead
wire connectors and the circuit con-
nectors.
6602
6604
— 1 to 4
blinks communi-
cation cir-
cuit section
error
«
Controller where error originally
occurred is defective.
«
Lossnay circuit board is defective.
«
Check the controller where the error
occurred.
«
Replace the circuit board.
6603 — 5
blinks
Transmissi
on cable
error
«
Power is supplied to the same trans-
mission cable from two or more
power supply units.
«
The power supply unit is connected
to the TB3 side of the power supply
expansion unit.
«
The power supply unit is connected
to the indoor and outdoor transmis-
sion cables.
«
Adjust the wiring of the power sup-
ply unit.