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124
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'11 • KX-T-166
Error code
Remote controller:
7-segment display:
LED
Green
Red
Indoor
Outdoor
Content
E31
E31
Duplicated outdoor unit address No.
Keeps flashing Stays Off
Keeps flashing 1 time flash
1.Applicable model
5.Troubleshooting
Outdoor unit
Diagnosis
Countermeasure
Does E31 recur?
Check outdoor address No.
in the same superlink system
Reset the power supply
and restart operation.
Save data for 30 minutes before
stopping in Mente PC
Does the same
address No. exist?
YES
YES
NO
NO
Check and save the data of
operating condition.
Check the conditions
whether it occurs
immediately after the power
on or during operation.
Check the current address
Nos. of outdoor units.
Test run
*No action is taken because
it is judged that the power
reset is not done after
changing address
Correct address.
Replace outdoor control
PCB. *
* Before replacement,
please confirm whether
the rotary switch for
address setting is not
damaged.
(It was experienced that
No. 5 on rotary switch
was not recognized.)
2. Error detection method
When the microcomputer of
outdoor control PCB recognizes
the dupplicated address No. by
scanning all adresses of outdoor
units in the same superlink
system.
3. Condition of error displayed
When duplicated outdoor unit
address No. exists in the same
superlink system.
4. Presumable cause
• Mistake in the address setting
of outdoor units
• More than 129 indoor units
connected
[
Maximum number can be set
by address switch is 128 units
]
• No setting of Master/Slave
setting switch for combination
use
Note: After taken above measure, reset the power and confirm no error is displayed occurs
Unless the power is reset after changing address, the set address will not be confirmed
In case of combination use, set the same address to both master and slave units. Distinction of master or slave unit is done by
setting SW4-7. (Refer the instruction manual and technical manual for details)
Caution:
Unless the power is reset after changing
address, the set address will not be
confirmed
