Sanyo 85464359982001 Installation Instructions Manual page 83

07-007 W-2WAY_II_NA 1/23/07
Possible cause of malfunction
Activation of Protective device in indoor unit
protective is activated.
device
Protective device in outdoor unit
is activated.
Indoor thermistor is either open
Thermistor
or damaged.
fault
Outdoor thermistor is either
open or damaged.
EEP ROM on indoor unit PCB failure
Protective device for compressor
Protective
No. 1 is activated.
device for
compressor is
activated
Protective device for compressor
No. 2 is activated.
Protective device for compressor
No. 3 is activated.
Low oil level.
Oil sensor fault.
(Disconnection, etc.)
6:09 PM Page 83
Thermal protector in indoor unit fan motor is activated.
Improper wiring connections of ceiling panel.
Float switch is activated.
Operation of protective function of fan inverter.
Compressor thermal protector is activated.
Power supply voltage is unusual. (The voltage is more than 260 V
or less than 160 V between L1 and L2 phase.)
Incorrect discharge temperature. (Comp. No. 1)
High pressure switch is activated.
Negative (defective) phase.
2
O sensor (detects low oxygen level) activated
Compressor running failure resulting from missing phase in the
compressor wiring, etc. (Start failure not caused by IPM or no gas.)
Incorrect discharge temperature. (Comp. No. 2)
Compressor 3 discharge temp. failure
Outdoor unit fan motor is unusual.
Overcurrent at time of compressor runs more than 80Hz (DCCT
secondary current or ACCT primary current is detected at a time
other than when IPM has tripped.)
IPM trip (IPM current or temperature)
Inverter for compressor is unusual. (DC compressor does not
operate.)
Indoor coil temp. sensor (E1)
Indoor coil temp. sensor (E2)
Indoor coil temp. sensor (E3)
Indoor suction air (room) temp. sensor (TA)
Indoor discharge air temp. sensor (BL)
Comp. No. 1 discharge gas temp. sensor (DISCH1)
Comp. No. 2 discharge gas temp. sensor (DISCH2)
Outdoor No. 1 coil gas temp. sensor (EXG1)
Outdoor No. 1 coil liquid temp. sensor (EXL1)
Outdoor air temp. sensor (AIR TEMP)
Compressor intake port temperature sensor (RDT)
High pressure sensor. Negative (defective) N phase.
Low-pressure sensor failure
Compressor 3 discharge temp. sensor failure (DISCH3)
Outdoor No. 2 coil gas temp. sensor (EXG2)
Outdoor No. 2 coil liquid temp. sensor (EXL2)
EEP ROM on the main or sub outdoor unit PCB has failed.
Current is not detected when comp. No. 1 is ON.
Discharge gas temperature of the comp. No. 1 is not detected.
Temp. sensor is not seated at the sensor holder.
Overload current is detected.
Lock current is detected.
Current is not detected when comp. No. 2 is ON.
Discharge gas temperature of comp. No. 2 is not detected.
Compressor No. 3 current trouble (overcurrent)
Compressor No. 3 current trouble (locked)
Compressor No. 3 CT sensor disconnected or short circuit
Compressor No. 3 discharge temp. sensor disconnected
Low pressure switch is activated.
Comp. No. 1 oil sensor
Comp. No. 2 oil sensor
Oil sensor (connection) failure
83
Alarm
message
<<P01>>
<<P09>>
<<P10>>
P12
P02
P03
P04
P05
P14
P16
P17
P18
P22
P26
H31
P29
<<F01>>
<<F02>>
<<F03>>
<<F10>>
<<F11>>
F04
F05
F06
F07
F08
F12
F16
F17
F22
F23
F24
F29
F31
H03
H05
H11
H12
H13
H15
H21
H22
H23
H25
H06
H07
H08
H27
H28
Continued