Af Drain Level Above Limit - Daikin VRVII Manual

Troubleshooting by Indication on the Remote Controller
AF
3.10
Remote Controller Display
AF
Applicable Models
R-22: FXF, FXC, FXK, FXS, FXM, FXYB
R-410A: FXFQ, FXZQ, FXCQ, FXKQ, FXDQ, FXMQ,
FXHQ, FXUQ
Method of Error Detection
Water leakage is detected based on float switch ON/OFF
operation while the compressor is in non-operation.
Error Decision Conditions
When the float switch changes from ON to OFF while the
compressor is in non-operation.
∗ Error code is displayed but the system operates
continuously.
Supposed Causes
Humidifier unit (optional accessory) leaking
Defective drain piping (upward slope, etc.)
Defective indoor unit PCB
Drain Level above Limit
71