– 149 –
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: TS condition
P15
P15
P17
—
P17
All stop
Protective shutdown due to
sustained suction
temperature at or above
judgment criterion
for at least 10 minutes is
repeated four times or more.
<TS error judgment criterion>
In cooling operation: 140˚F (60˚C)
In heating operation: 104˚F (40˚C)
• Check for insufficiency in
refrigerant quantity.
• Check outdoor service valves
(discharge gas side, suction
gas side, liquid side) to
confirm full opening.
• Check PMVs (PMV1, 2, 4) for
clogging.
• Check resistance
characteristics of TS1 sensor.
• Check for defect in 4-way
valve.
• Check SV4 circuit for leakage
• Check SV5 circuit leakage.
• Check mispiping of discharge
gas/suction gas main pipes.
• Check Cool/Heat FS unit.
Check SVD valve, SVS valve
leakage.
(Check SVDD valve, SVSS
valve leakage.)
Connecting piping to FS unit
Mispiping of (discharge gas/
suction gas)
Gas
leakdetection
(TS1 condition)
I/F
All stop
Discharge temperature (TD2)
exceeds 239˚F (115˚C).
• Check outdoor service valves
(discharge gas side, suction
gas side, liquid side) to
confirm full opening.
• Check outdoor PMVs
(PMV1, 2, 4) for clogging.
• Check resistance
characteristics of TD2 sensor.
• Check for defect in 4-way
valve.
• Check SV4 circuit for leakage.
• Check SV4 circuit (for wiring
or installation error involving
SV41, SV42 and SV43).
• Check SV5 valve circuit
leakage.
• Check SV6 circuit (Clogging,
valve operation error)
• Check mispiping of discharge
gas/suction gas main pipes.
• Check Cool/Heat FS unit.
Check SVD valve, SVS valve
leakage.
(Check SVDD valve, SVSS
valve leakage.)
Connecting piping to FS unit
Mispiping of (discharge gas/
suction gas)
Check wiring between FS unit
and indoor unit, connection of
connectors
Check miswiring of SVS/SVD
valve.
Discharge
temperature TD2
error
I/F
02: TD condition
All stop
Protective shutdown due to
sustained discharge
temperature (TD1, TD2 or TD3)
at or above 226˚F (108˚C) for at
least 10 minutes is repeated
four times or more.
• Check for insufficiency in
refrigerant quantity.
• Check PMVs (PMV 1, 2, 4) for
clogging.
• Check resistance
characteristics of TD1, TD2
and TD3 sensors.
• Check indoor filter for
clogging.
• Check piping for clogging.
• Check SV4 circuit (for leakage
or coil installation error).
• Check mispiping of discharge
gas/suction gas main pipes.
• Check Cool/Heat FS unit.
Check SVD valve, SVS valve
leakage.
(Check SVDD valve, SVSS
valve leakage.)
Connecting piping to FS unit
Mispiping of (discharge gas/
suction gas)
Check wiring and connection
of connectors between FS
unit and indoor unit.
Check miswiring of SVS/SVD
valves.
Gas leak
detection
(TD condition)
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...