Mitsubishi Electric CITY MULTI PUHY-P400YEM-A Service Handbook page 154

Check Code
6606 Communications with transmission processor abnormality
6607 No ACK abnormality
6608 No response abnormality
6831 MA communication, No-reception error
6832 MA communication, Synchronization recovery error
6833 MA communication, Transmission/reception handware error
6834 MA communication, Start bit error
7100 Total capacity abnormality
7101 Capacity code abnormality
7102 Connected unit count over
7105 Address setting abnormality
7106 Characteristics setting abnormality
7111 Remote control sensor abnormality
7130 Different indoor model connected abnormality
Intermittent fault check code
Trouble Delay Cope
1202 (1102) Preliminar
Preliminary heat exchanger gas temperature sensor abnormality (variable capacity unit (TH10a,
1204
TH10b), constant capacity unit (TH10a))
1205 Preliminary liquid pipe temperature sensor abnormality (TH5)
1211 (1111) Preliminary low pressure saturation abnormality or preliminary low pressure saturation sensor abnormality (TH2)
Preliminary low pressure saturation abnormality or preliminary liquid level sensor upper thermal
1212 (1112)
sensor abnormality (TH4)
Preliminary low pressure saturation abnormality or preliminary liquid level sensor lower thermal
1213 (1113)
sensor abnormality (TH3)
1214 Preliminary THHS sensor/circuit abnormality
1216 Preliminary sub-cool coil outlet thermal sensor abnormality (TH7)
1217 Preliminar
1218 Preliminary sub-cool coil bypass inlet thermal sensor abnormality (TH9a)
1219 Preliminary sub-cool coil bypass inlet thermal sensor abnormality (TH9)
1221 Preliminary ambient temperature thermal sensor abnormality (TH6)
1402 (1302) Preliminary high pressure abnormality or preliminary pressure sensor abnormality
1600 (1500) Preliminary
1601 Preliminary lacked refrigerant abnormality
1605 (1505) Preliminary suction pressure abnormality
1607 CS circuit b
1608 Control valve abnormality
1659 (1559) Oil balance circuit abnormality
[9] Preliminary serial transmission abnormality
4300 (0403)
4300 (5301) [6] IAC sensor/circuit abnormality
[13]
IAC sensor miss-wiring abnormality
4320 (4220) Preliminary bus voltage abnormality
4330 (4230) Preliminary heat sink overheating abnormality
4340 (4240) Preliminary overload protection
[1]
4350 (4250) IPM Alarm output/Bus voltage abnormality
[11]
IAC sensor overcurrent abnormality
4360 (4260) Preliminary cooling fan abnormality
Please refer to ( ) : Check Code. [ ] : Error detail No.
y discharge temperature abnormality or preliminary discharge thermal sensor abnormality (TH1)
y sub-cool coil bypass outlet thermal sensor abnormality (TH8)
overcharged refrigerant abnormality
lock abnormality
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Check Content
Trouble Delay Content