29
Maintenance
4.7
Indoor unit error codes
Error code
Cause
Number of
flashes per
second
Timer
indicator
E0
EEPROM (Electrically Erasable Programmable Read-Only Memory)
error of the indoor unit
1
Off
E1
Communication error between an indoor unit and the outdoor unit
2
Off
E3
Malfunction of the indoor unit fan speed
4
Off
E4
Internal room temperature sensor error
5
Off
E5
Evaporator coil temperature sensor error
6
Off
EC
Malfunctioning of the refrigerant leak detection system
7
Off
EE
Water level alarm failure
8
Off
E8
Communication error between two indoor units (only in systems
with multiple indoor units)
9
Off
E9
Other malfunction of the two-unit model
10
Off
F0
Overload protection
1
On
F1
External temperature sensor error
2
On
F2
External condenser pipe sensor error
3
On
F3
Exhaust air temperature sensor error
4
On
F4
Outdoor unit EEPROM (Electrically Erasable Programmable
Read-Only Memory) error
5
On
F5
Malfunction of the outdoor unit fan speed
6
On
P0
IPM protection of the inverter module
1
Flashing
P1
High/low voltage protection
2
Flashing
P2
Compressor overheating protection
3
Flashing
P3
Low outside temperature protection
4
Flashing
P4
Compressor drive error
5
Flashing
P5
Mode conflict
6
Flashing
P6
Compressor low pressure protection
7
Flashing
P7
External IGBT sensor error
8
Flashing
FA
Malfunction of communication with the indoor unit
11
On
88
Malfunction of communication with the indoor unit
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Summary of Contents for CLIVET CRISTALLO
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