Cal Spas
Error Codes
DR
Cal Spas
Hot Tub
DR (dry) is a serious code — the heater detected it's running without water (dry …
FLOW
Cal Spas
Hot Tub
FLOW means the flow switch on the heater isn't seeing water flow — the system …
HOT
Cal Spas
Hot Tub
HOT is Cal Spas' early warning that water temperature is climbing above the set …
ICE
Cal Spas
Hot Tub
ICE on Cal Spas means freeze protection has activated — temperature is dropping …
OH
Cal Spas
Hot Tub
OH means water has overheated past the safety limit (typically 110°F / 43°C) and …