32
Maintenance
4.9
70M - 105M - 140M -160M indoor unit error codes
Error code
Cause
Timer light
“Operation
light (flashes)”
E0
Internal EEPROM malfunction
OFF
Once
E1
Communication malfunction between the indoor unit and the
outdoor unit
OFF
Twice
E3
Internal fan speed malfunction
OFF
4 times
E4
Temperature sensor T1 circuit open or in short circuit
OFF
5 times
E5
Temperature sensor T2 circuit open or in short circuit
OFF
6 times
EC
Detection of refrigerant leaks
OFF
7 times
EE
Water level alarm malfunction
OFF
8 times
E8
Communication error between master and slave units
(for twin configuration)
OFF
9 times
E9
Other malfunction of indoor units (for twin configuration)
OFF
10 times
Ed
Faulty outdoor unit (due to the old communication protocol)
OFF
11 times
F0
Overcurrent protection (for some units)
ON
Once
F1
Temperature sensor T4 circuit open or in short circuit
ON
Twice
F2
Temperature sensor T3 circuit open or in short circuit
ON
3 times
F3
Temperature sensor T5 circuit open or in short circuit
ON
4 times
F4
External EEPROM malfunction (for some units)
ON
5 times
F5
External fan speed malfunction
ON
6 times
F6
Temperature sensor T2B circuit open or in short circuit
(for free-match indoor units)
ON
7 times
F7
Communication error between the automatic lifting panel and
the slim box
ON
8 times
F8
Faulty automatic lifting panel (for slim box with automatic lifting
panel)
ON
9 times
F9
Automatic lifting panel not closed (for slim box with automatic
lifting panel)
ON
10 times
FA
Communication malfunction between two internal chips
(for DUCT-SL 2)
ON
11 times
P0
IPM module malfunction
FLASHING
Once
P1
DC voltage protection too high/too low
FLASHING
Twice
P2
Maximum compressor temperature protection
FLASHING
3 times
P3
Low room temperature protection
FLASHING
4 times
P4
Compressor inverter drive protection
FLASHING
5 times
P6
Compressor low pressure protection
FLASHING
7 times
P7
Faulty external IGBT sensor
FLASHING
8 times
Содержание Ceiling & Floor-SL 2 IF2 53M Series
Страница 34: ...34 Allegati 6 ALLEGATI 6 1 Schemi elettrici unit interna 53M SERIE GRANDEZZA IF2 XY 53M...
Страница 36: ...36 Allegati 6 3 Schemi elettrici unit esterna 105M 140M 160M SERIE GRANDEZZA IF2 XY 105M 140M 160M...
Страница 74: ...34 Attachments 6 ATTACHMENTS 6 1 Indoor unit wiring diagrams 53M SERIES SIZE IF2 XY 53M...
Страница 76: ...36 Attachments 6 3 Outdoor unit wiring diagrams 105M 140M 160M SERIES SIZE IF2 XY 105M 140M 160M...
Страница 114: ...34 Pi ces jointes 6 PI CES JOINTES 6 1 Sch mas lectriques unit interne 53M S RIE TAILLE IF2 XY 53M...
Страница 116: ...36 Pi ces jointes 6 3 Sch mas lectriques de l unit externe 105M 140M 160M S RIE TAILLE IF2 XY 105M 140M 160M...