Toshiba MMY-MAP0806HT7(J)P, Service Manual

Page: 180 / 350

Check code
Location
of
detection
Description
System
status
Error detection
condition(s)
Main
Check items (locations)
remote
Outdoor 7-segment display
controller
Check
code
Sub-code
Oil level
detection
circuit error All stop 01: TK1 oil circuit error
02: TK2 oil circuit error
04: TK4 oil circuit error
05: TK5 oil circuit error
•
•
No temperature
change is detected
by TK1 despite
compressor 1
having
been started.
•
•
•
Check for disconnection of TK1
sensor. Check resistance
characteristics of TK1 sensor.
Check for connection error involving
TK1, TK2, , TK4, and TK5 sensors
Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
Check for refrigerant entrapment
inside compressor.
•
•
No temperature
change is detected
by TK2 despite
compressor 2
having
been started.
•
•
•
Check for disconnection of TK2
sensor. Check resistance
characteristics of TK2 sensor.
Check for connection error involving
TK1, TK2, , TK4, and TK5 sensors
Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
Check for refrigerant entrapment
inside compressor.
I/F
No temperature
change is detected
by TK4 despite
compressor having
•
been started.
•
•
•
•
Check for disconnection of TK4
sensor. Check resistance
characteristics of TK4 sensor.
Check for connection error involving
TK1, TK2, , TK4, and TK5 sensors
Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
Check for refrigerant entrapment
inside compressor.
No temperature
change is detected
by TK5 despite
compressor having
•
been started.
•
•
•
•
H16
Check for disconnection of TK5
sensor. Check resistance
characteristics of TK5 sensor.
Check for connection error involving
TK1, TK2, , TK4, and TK5 sensors
Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
Check for refrigerant entrapment
inside compressor.
H16
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