-
235
-
Error code
Remote control:
7-segment display:
LED Green Red
Indoor
Outdoor
Content
E2
Duplicated indoor unit address
Keeps flashing Keeps flashing
Keeps flashing
Stays Off
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Is the number of
connected indoor units up
to 128 units?
Is the different
address No. assigned to each
indoor unit?
Is E2 displayed?
Reset the power source and restart.
Caution:
Unless the power
source is reset,
addresses will not
be confirmed.
YES
NO
YES
NO
YES
NO
Review number of
connected units.
Correct indoor unit address
setting.
Implement test run.
Replace indoor unit control
PCB. *
* Before replacement,
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
More than 129 indoor units are
connected in the same Superlink
system.
Duplicated indoor unit address
3
.
Condition of error displayed
Same as above
4. Presumable cause
• Number of connected indoor
units exceeds the limitation.
• Duplicated indoor unit address
•
Indoor unit control PCB anomaly
Note:
Error code
Remote control:
7-segment display:
LED Green Red
Indoor
Outdoor
Content
E3/5
Outdoor unit signal line error
Keeps flashing
2 times flash
Keeps flashing
Stays Off
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Is the power
source to outdoor
unit OK?
Is the
signal wires (between
indoor
-
outdoor units)
connection OK?
Reset the power source and restart.
E3 is a communication error that occurs when communication between
indoor and outdoor units is not established at all. Once the communication
between indoor and outdoor units is established, it changes to E5.
In both cases, check signal wires (between indoor-outdoor units) locally.
YES
Is the
outdoor unit address
set on the indoor unit
OK?
YES
Is the LED
on indoor unit control
PCB OK?
YES
Is protective
fuse for the Superlink
circuit blown?
NO
Does E3/E5 occurs?
YES
NO
NO
NO
YES
YES
NO
NO
Temporary malfunction by
noise.
Identify the source of noise
and correct it.
Change to spare circuit.
Indoor unit control PCB
anomaly
Replace it.
Correct it.
Correct it.
Correct it.
Outdoor unit control PCB
anomaly
Replace it.
2. Error detection method
No outdoor unit exists in the
same Superlink system.
3
.
Condition of error displayed
Same as above
4. Presumable cause
• Power is not supplied to the
outdoor unit
• Unmatch of pairing between
indoor and outdoor units
•
Indoor unit control PCB anomaly
•
Outdoor unit control PCB anomaly
• Missing local wiring
Note:
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