Sanyo Big PACi 18 Series Technical Data & Service Manual page 223

Remote
controller
alarm display
P29 Error in current
detection circuit.
AC current value is
high, even while
compressor is
halted.
F04 Disconnection, open
circuit or short circuit
in discharge
temperature sensor
(TD)
F06 Disconnection, open
circuit or short circuit
in outdoor unit heat
exchanger temp.
sensor (C1)
F07 Disconnection, open
circuit or short circuit
in outdoor unit heat
exchanger temp.
sensor (C2)
F08
Disconnection, open
circuit or short circuit
in outdoor air temp.
sensor (TO)
F12 Disconnection, open
circuit or short circuit
in suction temp.
5
sensor (TS)
F31 EEPROM trouble
L02 Indoor and outdoor
units incompatible
(PAC-i, ECO-i, GHP)
L04 Settings failure
L07 Settings failure
L10 Settings failure
L13 Indoor and outdoor
unit types
E06 Outdoor unit detected
a signal error from the
indoor unit
E07 Outdoor unit sending
failure to indoor unit
Alarm
Judgement conditions
contents
Inverter halted after alarm
detected.
Alarm output on 4
consecutive (pre-trips.)
Sensor detection error
(90 or more after 60
minutes has elapsed since
the compressor was halted.)
(Open circuit)
Open circuit or short circuit.
Open circuit or short circuit
Open circuit or short circuit
Open circuit or short circuit
Reading/writing failure
Indoor unit judged
incompatible with the outdoor
unit type.
Duplicated outdoor unit
address (system address)
Group control wiring exists in
an individually-controlled
indoor unit.
Outdoor unit capacity not set. Power reset
Outdoor unit judged
incompatible with the outdoor
unit type.
Serial signals receiving failure
(including faulty unit quantity
confirmation)
Serial signal sending failure
Eliminating
condition of alarm
Recovery at restart
Automatic recovery
Automatic recovery
Automatic recovery
Automatic recovery
Automatic recovery
Power reset
recovery
Power reset
recovery
Automatic recovery
Power reset
recovery
recovery
Automatic recovery 1. Check indoor unit EEPROM.
Automatic recovery
Automatic recovery
5-6
Judgement and correction
1. Stops immediately even when
operations restarted.
Layer short on the
compressor
2. Check HIC circuit
Wiring trouble
1. Check discharge temp.
sensor (TD).
2. Check outdoor unit control
PCB.
1. Check outdoor unit heat
exchanger temperature
sensor (C1).
2. Check outdoor unit control
PCB.
1. Check outdoor unit heat
exchanger temp. sensor (C2).
2. Check outdoor unit control
PCB.
1. Check outdoor air temp.
sensor (TO).
2. Check outdoor unit control
PCB.
1. Check suction temp. sensor
(TS).
2. Check outdoor unit control
PCB.
1. Check EEPROM (IC007).
2. Check outdoor unit control
PCB.
1. Check indoor unit EEPROM.
2. Check indoor unit control
PCB.
1. Check outdoor unit
system address.
2. Check inter-unit control
wiring.
1. Check inter-unit control
wiring.
2. Check indoor unit
EEPROM.
Check outdoor unit EEPROM.
2. Check outdoor unit control
PCB.
1.Check inter-unit control
wiring.
2.Check indoor and outdoor
unit control PCB.
1. Check inter-unit control
wiring.
2. Check outdoor unit control
PCB.