Toshiba MMY-MAP0806HT8P Service Manual page 180

Check code
Outdoor 7-segment display
Main
remote
Check
Sub-code
controller
code
01: TK1 oil circuit error
02: TK2 oil circuit error
04: TK4 oil circuit error
05: TK5 oil circuit error
H16 H16
Location
System
of Description
detection
I/F
Oil level
All stop
detection
circuit error
− 179 −
Error detection
status condition(s)
No temperature
change is detected
by TK1 despite
compressor 1
having been started.
No temperature
change is detected
by TK2 despite
compressor 2
having been started.
No temperature
change is detected
by TK4 despite
compressor having
been started.
No temperature
change is detected
by TK5 despite
compressor having
been started.
Check items (locations)
• 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.
• 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.
• 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.
• 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.