– 145 –
Check code
Location
of
detection
System status
Description
Error detection
condition(s)
Check items (locations)
Outdoor 7-segment display
Main
remote
controller
Check
code
Sub-code
I/F
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
H16
H16
H25
—
H25
All stop
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 TD1,
TD2, TD3, TK1, TK2, TK3, TK4, and TK5
sensors
• 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
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 TD1,
TD2, TD3, TK1, TK2, TK3, TK4, and TK5
sensors
• 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
change is detected
by TK3 despite
compressor 3 having
been started.
• Check for disconnection of TK3 sensor.
• Check resistance characteristics of TK3
sensor.
• Check for connection error involving TD1,
TD2, TD3, TK1, TK2, TK3, TK4, and TK5
sensors
• 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
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 TD1,
TD2, TD3,TK1, TK2, TK3, TK4, and TK5
sensors
• 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
change is detected
by TK5 despite
compressor having
been started.
Or difference from
other TK sensor
changes within
specified range only
for over the specified
period.
• Check for disconnection of TK5 sensor.
• Check resistance characteristics of TK5
sensor.
• Check for connection error involving TD1,
TD2, TD3, TK1, TK2, TK3, TK4, and TK5
sensors
• Check for faulty operation in SV3E valve.
• Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
• Check for refrigerant entrapment inside
compressor.
Oil level
detection
circuit error
I/F
All stop
Discharge
temperature (TD3)
does not increase
despite compressor
3 being in operation.
• Check installation of TD3, TK1, TK2,
TK3 , TK4, TK5 sensor.
• Check connection of TD3, TK1, TK2,
TK3 , TK4, TK5 sensor
connector and wiring.
• Check resistance characteristics of TD3
sensor.
• Check for defect in outdoor P.C. board
(I/F).
TD3 sensor
miswiring
(incomplete
insertion)
Summary of Contents for MMY-MAP0724FT6UL
Page 35: ...35 3 5 Parts Layout in Outdoor Unit 072 type Model MMY MAP0724FT...
Page 36: ...36 096 120 type Model MMY MAP0964FT MAP1204FT...
Page 37: ...37 3 6 Parts Layout in Inverter Assembly 208 230V model MMY MAP0724FT9UL...
Page 38: ...38 208 230V model MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 39: ...39 460V model MMY MAP0724FT6UL...
Page 40: ...40 460V model MMY MAP0964FT6UL MMY MAP1204FT6UL...
Page 41: ...41 3 7 Outdoor Inverter print circuit board 3 7 1 Interface P C board MCC 1606...
Page 42: ...42 3 7 2 Inverter P C board for compressor MCC 1595 A3 IPDU For 208 230V model MMY MAP 4FT9UL...
Page 43: ...43 3 7 3 Inverter P C board for compressor MCC 1596 A3 IPDU For 460V model MMY MAP 4FT6UL...
Page 44: ...44 3 7 4 Inverter P C board for fan motor MCC 1610 FAN IPDU...
Page 45: ...45 3 7 5 Noise Filter P C board MCC 1608 A B For 208 230V model MMY MAP 4FT9UL...
Page 46: ...46 3 7 6 Noise Filter P C board MCC 1625 A B C For 460V model MMY MAP 4FT6UL...
Page 195: ...195...
Page 197: ...197...
Page 257: ...257 15 EXPLODED DIAGRAM PARTS LIST Outdoor unit 15 1 MMY MAP0724FT9UL...
Page 258: ...258 15 1 MMY MAP0724FT9UL...
Page 262: ...262 15 1 Inverter Assembly MMY MAP0724FT9UL...
Page 264: ...264 15 2 MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 265: ...265 15 2 MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 269: ...269 15 2 Inverter Assembly MMY MAP0964FT9UL MMY MAP1204FT9UL...
Page 271: ...271 15 3 MMY MAP0724FT6UL...
Page 272: ...272 15 3 MMY MAP0724FT6UL...
Page 276: ...276 15 3 Inverter Assembly MMY MAP0724FT6UL...
Page 278: ...278 15 4 MMY MAP0964FT6UL MMY MAP1204FT6UL...
Page 279: ...279 15 4 MMY MAP0964FT6UL MMY MAP1204FT6UL...
Page 283: ...283 15 4 Inverter Assembly MMY MAP0964FT6UL MMY MAP1204FT6UL...