Balboa Water Group
Error Codes
FLO
Balboa
Hot Tub
FLO means the flow switch detects no water flowing through the heater — the …
HFL
Balboa
Hot Tub
HFL means the high flow switch is stuck in the closed (active) position — the …
OH
Balboa
Hot Tub
OH means the water has overheated past the safe maximum (typically 110°F / 43°C) …
SnA
Balboa
Hot Tub
SnA means the high-limit (safety) temperature sensor — sensor A — has failed or …
SnB
Balboa
Hot Tub
SnB means the regulating temperature sensor — sensor B — has failed or is …