F4 Malfunction - koppel KV24 ODU-ARF21C Service Manual

Troubleshooting
2.4.4 For the outdoor unit

2.4.4.1. F4 malfunction

F4
EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and
reprogrammed using a pulsed voltage.
110 Electrical Control System