Mitsubishi Electric MSZ-LN18VG2W-SC1 Service Manual page 43

3. Check of Wi-Fi module
MSZ-LN18VG2W-
SC1
MSZ-LN18VG2V-
E3
MSZ-LN18VG2B-
E3
MSZ-LN18VG2R-
E3
MSZ-LN25VG2W/V/B/R-
MSZ-LN35VG2W/V/B/R-
MSZ-LN50VG2W/V/B/R-
MSZ-LN60VG2W/V/B/R-
Follow the procedure below if the air conditioner cannot be monitored or controlled with a device such as a smartphone.
Did the LED indication blink 10 times after you
selected the setting of the Wi-Fi module and the
router?
No
Has the setting up in WPS-PUSH mode or in
Access Point mode been completed?
Yes
Did the LED indication and the buzzer operate
properly after you set up a connection between the
Wi-Fi module and the router?
Yes
To reset connection and set up the Wi-Fi module and the router
again
(1) Hold down the Temperature
5 seconds.
(2) Select "_ 2" by pressing Temperature
and
(3) Point the remote controller toward
the indoor unit and press the
(4) The indoor unit beeps 3 times when
resetting is complete.
Is the air conditioner registered with the MELCloud
application?
Yes
Refer to the OPERATING INSTRUCTIONS or
MELCloud support page.
https://www.mitsubishielectric.com/ldg/ibim/
https://www.melcloud.com/Support
OBH766G
, , ,
ET2 ER2 E3
, , ,
SC1 ET3 ER3 E3
, , ,
SC1 ET3 ER3 E3
, , ,
SC1 E3
ET3 ER3
, , ,
SC1 ET3 ER3 E3
Yes
No
No
for
.
.
No
There is a problem in a communication between the air con-
ditioner and the Wi-Fi module.
• Operate the air conditioner with the remote controller
once.
• If the situation does not improve, replace the Wi-Fi
module.
• If the situation does not improve even after you replace
the Wi-Fi module, replace the indoor P.C.board.
* After replacing the indoor P.C. board, perform a test run
once, and then set up the Wi-Fi communication. (Refer to
8-5. Wi-Fi MODULE SETTING UP.)
Incomplete connection between the indoor unit and the
outdoor unit causes an error on the pairing mode.
Refer to the OPERATING INSTRUCTIONS and set up a
connection between the Wi-Fi module and the router.
There is a problem in a communication between the air con-
ditioner and the router.
• Make sure that the communication distance is not too far
between the air conditioner and the router.
• Make sure that the router is compatible with WPA2-AES
encryption.
• Make sure that the SSID consists of the combination of
alphabets and numbers.
• If the problem persists even after you check above, follow
the instructions of
between the Wi-Fi module and the router again.
There is a problem in a communication between the air con-
ditioner and the MELCloud.
• Make sure that the number of the connected devices to
the router does not exceed the limit.
• Make sure that DHCP setting is enabled.
• Make sure that DNS setting of the router and DNS
address of the Wi-Fi module are correct.
• Make sure that the router is connected to the internet.
• Make sure that the communication is not limited with secu-
rity of the router.
• If the problem persist even after you check above, follow
the instructions of
between the Wi-Fi module and the router again.
If the situation does not improve
after you review above
43
, and then set up a connection
A
, and then set up a connection
A