Error code
Remote controller:
7-segment display:
LED
Green
Red
Indoor
Outdoor
Content
–
75
–
E36
E36-1
Discharge pipe temperature
error (Tho-D1)
Keeps flashing
Stays Off
Keeps flashing 1 time flash
1. Applicable model
5. Troubleshooting
Outdoor unit
Diagnosis
Countermeasure
Is the unit
installation environment
within the range of
limitation?
Are the
refrigerant amount and
piping length
OK?
Is the
discharge pipe
temperature thermistor
OK?
Save data for 30 minutes before stopping in Mente PC
YES
YES
YES
Is the error recur
when restarting?
YES
YES
Is there
AC200V of output
signal for SV1 from
outdoor control
PCB?
YES
Is the coil of
SV1 energized?
YES
Does the
refrigerant flow through
SV1 main body
?
YES
Is the
insertion of the
thermistor connector into the
connector on outdoor
control PCB
OK?
Reset the power supply and restart operation.
NO
NO
NO
NO
NO
NO
NO
NO
Check and save the data of
operating condition
Check the ROM version
Confirmation of SV1 operation
Propose an improvement to
the customer.
Adjust the refrigerant
amount poperly
(Check whether the
refrigerant amount is
insufficient or not.)
(Check the gas leakage)
Insert connector securely.
Check if the characteristics
are correct by referring
the characteristics chart
of E39. And if necessary,
replace the discharge pipe
temperature thermistor.
Check it, as much as
possible, under the
operating conditions for
30 minutes before error
occurred.
Wait and see.
Continue to obtain data, if
possible.
(Keep connecting the
Mente PC)
Replace outdoor control
PCB
Replace the coil SV1
Replace the SV1 main body
(If there is no refrigerant
in liquid line, charge
refrigerant additionall)
Check refrigerant amount
again.
2. Error detection method
When anomalously high
temperature is detected by the
discharge pipe temperature
thermistor (Tho-D1)
3.
Condition of error displayed
When 130°C or higher is
detected by the discharge
temperature thermistor, the
compressor stops. After 3
minutesdelay, the compressor
starts again automatically, but
if this anomaly occurs 2 times
within 60 minutes after the
initial detection, or 130°C or
higher is detected continuously
for 60 minutes.
4. Presumable cause
• Discharge pipe temperature
anomaly
• SV1 (liquid refrigerant
by-pass valve ) anomaly
• Beakage of coil
• Faulty main body.
• Outdoor control PCB anomaly
• Insufficient amount of
refrigerant
• Insufficient airflow volume
• Short-circuit of airflow
Note:
Summary of Contents for 112KXE6
Page 105: ... 101 Model FDC335KXE6 A PCB003Z035 shows local wining ...
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