Sanyo Big PACi 18 Series - Page 223

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