Toshiba MMC-AP0157HP1-E Service Manual page 75

Check code
Outdoor 7-segment display
Main
remote
Check
Sub-code
controller
code
SMMS
(1 series)
01: TK1 oil
circuit error
02: TK2 oil
circuit error
03: TK3 oil
circuit error
04: TK4 oil
circuit error
SMMS
(1 series)
01: TK1 oil
circuit error
02: TK2 oil
circuit error
03: TK3 oil
circuit error
04: TK4 oil
circuit error
H16 H16
SMMS-i
(4 series)
01: TK1 oil
circuit error
02: TK2 oil
circuit error
03: TK3 oil
circuit error
04: TK4 oil
circuit error
05: TK5 oil
circuit error
Location
Description System status
of
detection
I/F Oil detection All stop
circuit error
I/F Oil detection All stop
circuit error
I/F Oil level All stop
detection
circuit error
– 75 –
Error detection
Check items (locations)
condition(s)
The temperature Check the TK1 sensor installation.
Check the TK1 sensor resistant
change of TK1
characteristics.
cannot be detected
Check the misconnection of TK1, TK2,
even after
TK3, or TK4.
Compressor 1 starts
Check the SV3E valve error.
operating.
Check the oil circuit capillary clogging
and non-return valve error
Check the hibernating refrigerant in
compressor.
The temperature Check the TK2 sensor installation.
Check the TK2 sensor resistant
change of TK2
characteristics.
cannot be detected
Check the misconnection of TK1, TK2,
even after
TK3, or TK4.
Compressor 2 starts
Check the SV3E valve error.
operating.
Check the oil circuit capillary clogging
and non-return valve error.
Check the hibernating refrigerant in
compressor.
The temperature Check the TK3 sensor installation.
Check the TK3 sensor resistant
change of TK3
characteristics.
cannot be detected
Check the misconnection of TK1, TK2,
even after
TK3, or TK4.
Compressor 3 starts
Check the SV3E valve error.
operating.
Check the oil circuit capillary clogging
and non-return valve error.
Check the hibernating refrigerant in
compressor.
The temperature Check the TK4 sensor installation.
Check the TK4 sensor resistant
change of TK4
characteristics.
cannot be detected
Check the misconnection of TK1, TK2,
even after
TK3, or TK4.
Compressor 4 starts
Check the SV3E valve error.
operating, or the
Check the oil circuit capillary clogging
temperature
and non-return valve error.
difference from that
Check the hibernating refrigerant in
of the other TK
compressor.
sensor changes only
in the specified
range for a given
time or longer.
No temperature Check for disconnection of TK1 sensor.
Check resistance characteristics of
change is detected
TK1 sensor.
by TK1 despite
Check for connection error involving
compressor 1 having
TK1, TK2, TK3, TK4, and TK5 sensors
been started.
Check for faulty operation in SV3E or
SV3F valve.
Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
Check for refrigerant entrapment inside
compressor.
No temperature Check for disconnection of TK2 sensor.
Check resistance characteristics of
change is detected
TK2 sensor.
by TK2 despite
Check for connection error involving
compressor 2 having
TK1, TK2, TK3, TK4, and TK5 sensors
been started.
Check for faulty operation in SV3E or
SV3F valve.
Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
Check for refrigerant entrapment inside
compressor.
No temperature Check for disconnection of TK3 sensor.
Check resistance characteristics of
change is detected
TK3 sensor.
by TK3 despite
Check for connection error involving
compressor 3 having
TK1, TK2, TK3, TK4, and TK5 sensors
been started.
Check for faulty operation in SV3E or
SV3F valve.
Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
Check for refrigerant entrapment inside
compressor.
FILE NO. SVM-16042