Mitsubishi Heavy Industries KXZ Series Technical Manual page 164

Error code
Remote control: E12
7-segment display: -
1. Applicable model
All models
2. Error detection method
Automatic address setting and
manual adress setting are mixed
when setting adress of indoor
units
3. Condition of error displayed
Same as above
4. Presumable cause
Mistake in address setting for
indoor units
Note:
LED Green Red
Keeps flashing 1-time flash
Indoor
Keeps flashing Stays Off
Outdoor
5. Troubleshooting
Diagnosis
Is the
automatic setting and
manual setting mixed in the address
setting method for indoor
units?
Address setting method list (Figures in [ ] are for previous Superlink models)
(New SL)
Manual address setting
(Previous SL)
(New SL)
Automatic address setting
for single refrgerant system
(Previous SL)
(New SL)
Automatic address setting
for multiple refrgerant systems
(Previous SL)
161
-
Content
Address setting error
by mixed setting method
YES
NO
Models for new Superlink protocol
Outdoor unit
Indoor unit address setting
address setting
Indoor unit No. switch Outdoor unit No. switch Outdoor unit No. switch Indoor unit No. switch Outdoor unit No. switch Outdoor unit No. switch
000-127 00-31 00-31
[00-47] [00-47] [00-47]
000 49 49
000 49 00-31
Not available
-
'21 • KX-T-380
Countermeasure
Review address setting.
Replace indoor unit control
PCB.
Models for previous Superlink protocol
Outdoor unit
Indoor unit address setting
address setting
00-47 00-47 00-47
49 49 49
Not available