Error Display
Code
Flashing
Lights
Fault
Indoor Outdoor
Indoor
operation
C1 or
CH1
1 Indoor temperature sensor
open or closed circuit
O ON
C2 or
CH2
2 Outdoor temperature sensor
open or closed circuit
O O ON
C4 0r
CH4
4 Heat sink temperature sensor
open or closed circuit
O O ON
C5 or
CH5
5 Communication between indoor
and outdoor units
O O OFF
C6 or
CH6
6 Excessive current at inverter
DC power circuit
O O SHUT
DOWN
C7 or
CH7
7 Excessive compressor current O O SHUT
DOWN
C8 or
CH8
8 Indoor fan not rotating O OFF
C9 or
CH9
9 Outdoor fan not rotating O O OFF
CA 10 1. Discharge temp more than
130 0C
2. Faulty discharge thermistor
O O ON
CC 2 + 1 EEPROM error O ON
CD 3 + 1 Inverter module error O ON
CE 4 + 1 O ON
Po System in Power Mode – not a
fault
O
Lo System in test mode – not a
fault
O .... Проверяют исправность исполнительных устройства наружного блока и их элементы управления (ключевые силовые реле)