Toshiba MMY-MAP0804HT8P-E - Page 210

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Strainer
Capillary
TK3
Error
No
Yes
No
Yes
No
Yes
No error
No error
Error
[H16]
No
Yes
Check the clogging of SV3E valve.
No
Yes
No
Yes
No error
No error
Error
Strainer
TK4
SV3C valve
[H16]
Error
esuaCedoc kcehC Check code name
e
sua
C
edo
c
kcehC Check code name
Oil level detection circuit error TK3 temperature detective circuit error
(Sub-code: 03)
1. Coming-off of TK3 sensor, miswiring, characteristics
error of resistance value
2. Oil-equalization circuit error (Check valve, capillary
clogging, strainer clogging)
3. Refrigerant stagnation in the compressor shell
TK4 temperature detective circuit error (Sub-code: 04)
1. Coming-off of TK4 sensor, miswiring, characteristics
error of resistance value
2. Malfunction of SV3E valve circuit (Check valve,
capillary clogging, strainer clogging)
3. Refrigerant stagnation in the compressor shell
Is not TK3 sensor
detached?
Is not TK4 sensor
detached?
Is there
no miswiring or
misinstallation on
TK1/TK2/TK3/TK4/TK5
sensors?
Is there
no miswiring or
misinstallation on
TK1/TK2/TK3/TK4/TK5
sensors?
Are
characteristics of
TK4 sensor resistance
value normal?
Check the clogging
of SV3E valve.
(Note 1)
Are
characteristics of
TK3 sensor resistance
value normal?
Check the clogging
of SV3E valve.
(Note 1)
Correct installation of sensor.
Correct installation of sensor.
Sensor error
replace
Replace clogging part (capillary).
Replace SV3E valve.
Check I/F P.C. board
Sensor error Replace clogging part.
Replace SV3E valve.
Check I/F P.C. board
Correct miswiring/misinstallation. TK1: CN531, black TK2: CN532, green TK3: CN533, pink TK4: CN534, yellow TK5: CN535, red
Correct miswiring/misinstallation.
TK1: CN531, black
TK2: CN532, green TK3: CN533, pink
TK4: CN534, yellow
TK5: CN535, red
After resetting the power
Start a test operation in COOL or HEAT mode.
↓
Display TK3 sensor temperature on 7-segment display with SW01/02/03=[1] [14] [2].
↓
Check TK3 sensor temp approx. 10 minutes after compressor 1 has operated.
If low temperature continues (approximately outside temp) or temperature has
little change, a clogging of strainer of oil-equalization circuit, clogging of
capillary tube, or malfunction of check valve is considered.
Start a test operation in COOL or HEAT mode.
↓
Display TK4 sensor temperature on 7-segment display with
SW01/02/03=[1] [15] [2].
↓
Check TK4 sensor temp approx. 10 minutes after compressor 1 has operated.
If low temperature continues (approximately outside temp) or temperature has little change, clogging of the parallel capillary tube is considered.
Compressor
3
(Note 1) Refer to the article of the check code [H07].
(Note 1) Refer to the article of the check code [H07].
After resetting
the power
*See “Outdoor unit temperature sensor
characteristics” on “8-9. Sensor Characteristics”.
*See “Outdoor unit temperature sensor characteristics” on “8-9. Sensor Characteristics”.