Vivax ACP-12CC35AERI, Service Manual

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Troubleshooting
138 Electrical Control System
For other type (18K-60K):
Malfunction Error Code Timer Lamp
Operation Lamp
(flashes)
Indoor EEPROM malfunction E0 X 1
Communication malfunction between indoor and outdoor units E1 X 2
Indoor fan speed is out of control E3 X 4
Open or short circuit of T1 temperature sensor E4 X 5
Open or short circuit of T2 temperature sensor E5 X 6
Refrigerant leakage detection EC X 7
Water level alarm EE X 8
Communication error between master and slave unit (for twins system) E8 X 9
Another indoor unit malfunction (for twins system) E9 X 10
Outdoor unit is faulty (for old communication protocol) Ed X 11
Overcurrent protection (For some units) F0 O 1
Open or short circuit of T4 temperature sensor F1 O 2
Open or short circuit of T3 temperature sensor F2 O 3
Open or short circuit of T5 temperature sensor F3 O 4
Outdoor EEPROM malfunction (For some units) F4 O 5
Outdoor fan speed is out of control F5 O 6
Open or short circuit of T2B temperature sensor (For free-match
indoor units)
F6 O 7
Communication error between auto-lifting panel and slim cassette (For
slim cassette with auto-lifting panel)
F7 O 8
Auto-lifting panel is faulty (For slim cassette with auto-lifting panel) F8 O 9
Auto-lifting panel is not closed (For slim cassette with auto-lifting panel) F9 O 10
IPM module malfunction P0
ƿ
1
Over voltage or over low voltage protection P1
ƿ
2
High temperature protection of top of compressor P2
ƿ
3
Too low ambient temperature protection P3
ƿ
4
Error rotor position protection of compressor P4
ƿ
5
Mode conflict (For free-match indoor units) P5
ƿ
6
Low pressure protection of compressor P6
ƿ
7
Sensor of outdoor IGBT is faulty P7
ƿ
8
O (on) X(off)
ƿ ƿ
(flash at 2Hz)
For M floor standing:
Codes Contents
P0 Evaporator low temp. protection
Ed Outdoor unit malfunction
E1 Communication malfunction between indoor and outdoor units.
E2 Open or short circuit of T1 temperature sensor
E3 Open or short circuit of T2 temperature sensor
E4 Open or short circuit of T2B temperature sensor
E7 Indoor EEPROM malfunction
E8 Indoor fan speed has been out of control