Sanyo XH3672R / C3672R Manual Do Utilizador

IV-7

SM831148

F31

L02

L04

L07

L10

L13

 E07

 E06

E14

E15

E16

E20

E31

H01

Automatic recovery

EEPROM trouble

Reading/writing failure

Recovery at power 
reset

1. Check EEPROM (IC007).
2. Check outdoor unit control 

PCB.

Mismatch of indoor 
and outdoor unit types 
(Espacio, Multi )

Indoor unit judges that type 
does not match outdoor unit 
type.

Recovery at power 
reset

1. Check indoor unit EEPROM.
2. Check indoor unit control 

PCB.

Settings failure

Settings failure

Settings failure

Duplicated outdoor unit 
address (system address)

1. Check outdoor unit 

system address.

2. Check inter-unit control 

wiring.

Group control wiring is 
connected to an 
independent-control indoor 

Recovery at power 
reset

1. Check inter-unit control 

wiring.

2. Check indoor unit 

EEPROM.

Outdoor unit capacity not set.

Recovery at power 
reset

Check outdoor unit EEPROM.

Indoor-outdoor unit 
types

Outdoor unit judges that type 
does not match indoor unit 
type.

Recovery at power 
reset

1. Check indoor unit 

EEPROM.

2. Check outdoor unit control 

PCB.

Outdoor unit detected 
abnormal signal from 
indoor unit.

Serial signal receiving failure 
(including failure to verify No. 
of units)

Automatic
recovery

Automatic
recovery

1. Check inter-unit control 

wiring.

2. Check outdoor unit 

Outdoor unit sending 
failure to indoor unit

 

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wiring.

2. Check outdoor unit control 

PCB.

Settings failure

Duplicated master unit in 
simultaneous-operation multi 
control
(Detected by outdoor unit)

Recovery at power 
reset

1. Check inter-unit control 

wiring.

2. Check indoor unit 

combination.

Automatic address 
setting failure

Automatic address 
setting failure

Automatic address 
setting failure

Indoor unit capacity too low.

Recovery at power 
reset

Recovery at power 
reset

Recovery at power 
reset

1. Check inter-unit control 

wiring.

2. Check outdoor unit control 

PCB.

 

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wiring.

2. Check outdoor unit control 

PCB.

Outdoor unit cannot receive 
any serial signals from indoor 
units.

1. Check inter-unit control 

wiring.

2. Check outdoor unit control 

PCB.

Communications
trouble within unit

No communication possible 
with MDC for 3 minutes or 
longer.

Automatic recovery Check outdoor unit control 

PCB.

Overcurrent 

Inverter stops after alarm is 
detected.

Recovery at restart

1. Refrigerant cycle trouble, 

overload operation

2. Loose screws between HIC 

control PCB and radiating 
plate

3. Cooling failure of radiating 

plate

4. Check outdoor unit PCB 

wiring.