Balboa Spa Touchpad (topside control panel) dr, dY drY, HL, HH, OH, SF, HFL, LF, OHH, OHS, HTR, HTR FLOW FAIL, HTR FLOW LOSS, HTR MAY BE DRY, HTR DRY, HEATER DRY SERVICE REQD, SPA TEMP LMT, HOT-CALL SVC, HTR TOO HOT error messages.Check for the following conditions:
- Low Water Level - ensure water level is correct.
- Blocked Suction Fitting - check & clear any blockages.
- Blocked Skimmer - check & clear any blockages.
- Dirty Filter - clean or remove filters temporarily.
- Too Many Closed Jets - ensure jets are all open and diverters working.
- Closed Valve - ensure all valves are open. Also check the stems haven't broken.
- Circ pump or 2-speed pump not running - test for power to pump & pump working correctly (requires electrician). Replace pump if faulty.
- Circ pump or 2-speed pump not primed - bleed any air from outlet of pump. Ensure adequate water flow.
- Circ pump or 2-speed pump impeller blocked or broken - check impeller spins and is clear.