Quick answer
On Arçelik air conditioners, error code CH03 means: Remote control / thermostat error. Usually yes. Try the simple steps below; if the code returns, call a technician.
Can I keep using the air conditioner?
Severity: Low
Usually yes. Try the simple steps below; if the code returns, call a technician.
Common causes
- Flat batteries or connection problem in the remote control / thermostat
- Damaged wiring or a loose/corroded connector
How to fix it
- Replace the remote control / thermostat batteries and check its connection
- 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 CH03 mean?
On Arçelik air conditioners, error code CH03 means: Remote control / thermostat error.
How do I fix Arçelik error CH03?
Start with these steps: Replace the remote control / thermostat batteries and check its connection; 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 CH03?
Severity: Low. Usually yes. Try the simple steps below; if the code returns, call a technician.
Arçelik air conditioner error codes
CH01Temperature sensor (thermistor) faultCH02Pipe (coil) temperature sensor faultCH04Condensate drain (float switch) faultCH05Communication error between indoor and outdoor unitsCH06Pipe (coil) temperature sensor faultCH09Memory (EEPROM) errorCH10Fan faultCH21Inverter / compressor drive faultCH29Compressor fault