Si20-701_B Troubleshooting by Remote Controller
222
3.40
F6
Refrigerant Overcharged
Remote Controller Display
F6
Applicable Models
CMSQ
Method of Error Detection
Excessive charging of refrigerant is detected by using the
outdoor air temperature, heat exchanger deicer
temperature and liquid pipe temperature during check
operation.
Error Decision Conditions
When the amount of refrigerant, which is calculated by
using the outdoor air temperature, heat exchanging
deicer temperature and liquid pipe temperature during
check operation, exceeds the criteria.
Supposed Causes
îš„ Refrigerant overcharge
îš„ Disconnection of outdoor air thermistor
îš„ Disconnection of heat exchanger deicer thermistor
îš„ Defective liquid pipe thermistor