Sanyo CHDXR09663* - Page 48

Possible cause of malfunction
Protective
device for
compressor is
activated
Current is not detected when comp. No. 1 is ON.
EEP ROM on indoor unit PCB failure
Alarm
message
F29
F31
H03
EEP ROM on the main or sub outdoor unit PCB has failed.
Protective device in outdoor unit
is activated.
P14
Activation of
protective
device
P03
Incorrect discharge temperature. (Comp. No. 1)
P04
High pressure switch or over load relay is activated.
Power supply voltage is unusual. (The voltage is less than 160 V
between L1 and L2 phase.)
H06
Low pressure switch is activated.
P05
P17
P16
Negative (defective) phase.
Incorrect discharge temperature. (Comp. No. 2)
Compressor running failure resulting from missing phase in the
compressor wiring, etc. (Start failure not caused by IPM or no gas.)
Continued
P22
P26
H31
P29
Outdoor unit fan motor is unusual.
Inverter for compressor is unusual. (DC compressor does not
operate.)
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)
Overload current is detected.
Lock current is detected.
Current is not detected when comp. No. 2 is ON.
H15
H11
H12
H13
Discharge gas temperature of comp. No. 2 is not detected.
Protective device for compressor
No. 2 is activated.
Protective device for compressor
No. 1 is activated.
Thermistor
fault
Indoor thermistor is either open
or damaged.
Outdoor thermistor is either
open or damaged.
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)
<<F01>>
<<F02>>
<<F03>>
<<F10>>
<<F11>>
F04
F05
F06
F07
F08
F12
F16
F17
High pressure sensor.
Outdoor No. 2 coil gas temp. sensor (EXG2)
Outdoor No. 2 coil liquid temp. sensor (EXL2)
F23
F24
Compressor intake port temperature sensor (SCT)
Low-pressure sensor failure
Oil sensor fault.
H08
H27
(Disconnection, etc.)
Comp. No. 1 oil sensor
Comp. No. 2 oil sensor
O
2 sensor (detects low oxygen level) activated
Protective device in indoor unit
is activated.
<<P01>>
<<P09>>
<<P10>>
Thermal protector in indoor unit fan motor is activated.
Improper wiring connections of ceiling panel.
Float switch is activated.
P12
Operation of protective function of fan inverter.
48