Quick answer
On Arçelik air conditioners, error code CH09 means: Memory (EEPROM) error. Switch the unit off and try a power reset. If the code comes back, have it checked by a technician before using it again.
Can I keep using the air conditioner?
Severity: Medium
Switch the unit off and try a power reset. If the code comes back, have it checked by a technician before using it again.
Common causes
- Faulty control or motor board
How to fix it
- Switch the unit off at the breaker for about 5 minutes, then switch it back on
- If the code returns, contact an authorised AC technician; don't open the unit yourself
Frequently asked questions
What does Arçelik error CH09 mean?
On Arçelik air conditioners, error code CH09 means: Memory (EEPROM) error.
How do I fix Arçelik error CH09?
Start with these steps: Switch the unit off at the breaker for about 5 minutes, then switch it back on; If the code returns, contact an authorised AC technician; don't open the unit yourself.
Can I keep using the air conditioner with error CH09?
Severity: Medium. Switch the unit off and try a power reset. If the code comes back, have it checked by a technician before using it again.
Arçelik air conditioner error codes
CH01Temperature sensor (thermistor) faultCH02Pipe (coil) temperature sensor faultCH03Remote control / thermostat errorCH04Condensate drain (float switch) faultCH05Communication error between indoor and outdoor unitsCH06Pipe (coil) temperature sensor faultCH10Fan faultCH21Inverter / compressor drive faultCH29Compressor fault