LA Spas
LA Spas Hot Tubs & Spas Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
Advertisements
COdE
Display shows CODE or similar, spa may be in programming or diagnostic mode and not heat.
Control System Configuration / Programming Mode
COL
Display shows COL or COOL, heater is disabled and pumps may run to circulate water.
Cold Water Protection / Freeze or Low Temperature Condition
dr
Display shows dr or DR, spa will not heat and may shut down after attempting to start the heater.
Dry Heater / Insufficient Water in Heater
dY
Display shows dY or DY after a dr error, spa locks out heating.
Dry Heater Lockout
FL
Display alternates between FL and temperature, heater does not engage or cycles on and off frequently.
Intermittent Flow Detection Fault
FLO
Display shows FLO or FL, heater will not turn on, spa may run pumps but water does not heat.
Low Flow / No Flow Through Heater
HL
Display shows HL, spa may shut down heater and sometimes pumps, water may not feel excessively hot.
High Limit Trip Due to Localized Overheating
ICE
Display shows ICE or ICE2, pumps run automatically even when spa is not in use.
Freeze Protection Mode
LOC
Display shows LOC or LOCK, buttons do not respond to presses.
Panel Lock / Child Lock Activated
OH
Display shows OH or OHH, spa shuts down and may run pumps briefly to cool, water feels very hot.
Overheat Condition Detected
OHH
Display shows OHH and spa shuts down completely, sometimes accompanied by a clicking sound from the control box.
High Limit Overheat Trip
OHt
Display shows OHt or HOT, spa shuts down heater and may run pumps to cool.
Overheat at Heater Tube
PF
Display shows PF or PFAIL, spa is unresponsive after a power outage or surge.
Power Failure / Low Line Voltage Detected
Prr
Display shows PRR or Prr, spa may not heat and pumps may behave erratically.
Pressure Switch Reading Error
PSc
Display shows PSC or PSc, spa may not start a heating cycle.
Pressure Switch Closed When It Should Be Open
PSo
Display shows PSO or PSo, heater will not engage.
Pressure Switch Open When It Should Be Closed
SE
Display shows SE or SENSOR, spa may shut down heating and pumps may continue to run.
General Sensor Error
Sn1
Display shows Sn1 or SN1, spa may not heat or may shut down intermittently.
Temperature Sensor Fault (Spa Temp Sensor)
Sn2
Display shows Sn2 or SN2, spa may shut down heating and display incorrect water temperature.
High Limit Sensor Fault
— —
Display shows dashes (– –) or blank temperature reading, spa does not heat.
No Temperature Reading / Sensor Disconnected
Symptom
Air bubbles constantly come from some jets even when air controls are closed.
Air Induction Valve or Check Valve Fault
Symptom
Circulation pump is not running, water at heater return is still, and spa may show FLO/FL or not heat.
Circulation Pump Failure
Symptom
Jets are weak or some seats have very little water pressure even with pump on high speed.
Reduced Jet Flow / Hydraulic Restriction
Symptom
LED lights in the spa do not turn on, or some colors/functions are missing.
Spa Lighting System Failure
Symptom
Main jet pump hums but does not start, or starts slowly and then trips the breaker.
Jet Pump Motor Seized or Capacitor Failure
Symptom
Ozone generator indicator is off and there is no ozone smell when the circulation pump runs.
Ozone Generator Failure
Symptom
Some buttons on the topside control work, but others do not respond or activate the wrong function.
Keypad Membrane or Topside Logic Fault
Symptom
Spa cover is excessively heavy and waterlogged, difficult to remove and replace.
Waterlogged Spa Cover
Symptom
Spa does not heat, temperature stays well below set point, but pumps and jets work normally.
No Heat Condition
Symptom
Spa is leaking water inside the equipment bay, water collecting under pumps or heater.
Internal Plumbing or Component Leak
Symptom
Spa makes a high‑pitched whining or grinding noise from the pump area.
Worn Pump Bearings or Cavitation
Symptom
Spa makes loud banging or knocking noises when the pump runs, especially on high speed.
Hydraulic Hammer / Air in Lines or Loose Components
Symptom
Spa trips the GFCI breaker immediately or within a few seconds of turning it on.
Ground Fault / Short Circuit
Symptom
Spa water has a persistent musty or moldy odor despite chemical treatment.
Biofilm and Contaminant Buildup in Plumbing
Symptom
Spa water has a strong burning or electrical smell near the equipment bay.
Overheating Electrical Component
Symptom
Spa water is cloudy and does not clear even with filtration running.
Poor Water Clarity / Filtration Inefficiency
Symptom
Spa water is foamy, with bubbles that persist on the surface even when jets are off.
Excess Surfactants / Contaminants in Water
Symptom
Spa will not power on at all, no lights on topside control, no pump activity.
No Power to Spa System
Symptom
Topside control panel is completely blank but pumps may still run on a schedule, or nothing responds.
Topside Control Failure or Communication Loss
Symptom
Water is leaking from around a specific jet in the spa shell, often visible on the outside foam or cabinet.
Jet Body or Gasket Leak
Symptom
Water is leaking slowly from the drain fitting or hose at the base of the spa.
Drain Valve or Hose Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| COdE |
Display shows CODE or similar, spa may be in programming or diagnostic mode and not heat.
|
Control System Configuration / Programming Mode | View Details |
| COL |
Display shows COL or COOL, heater is disabled and pumps may run to circulate water.
|
Cold Water Protection / Freeze or Low Temperature Condition | View Details |
| dr |
Display shows dr or DR, spa will not heat and may shut down after attempting to start the heater.
|
Dry Heater / Insufficient Water in Heater | View Details |
| dY |
Display shows dY or DY after a dr error, spa locks out heating.
|
Dry Heater Lockout | View Details |
| FL |
Display alternates between FL and temperature, heater does not engage or cycles on and off frequently.
|
Intermittent Flow Detection Fault | View Details |
| FLO |
Display shows FLO or FL, heater will not turn on, spa may run pumps but water does not heat.
|
Low Flow / No Flow Through Heater | View Details |
| HL |
Display shows HL, spa may shut down heater and sometimes pumps, water may not feel excessively hot.
|
High Limit Trip Due to Localized Overheating | View Details |
| ICE |
Display shows ICE or ICE2, pumps run automatically even when spa is not in use.
|
Freeze Protection Mode | View Details |
| LOC |
Display shows LOC or LOCK, buttons do not respond to presses.
|
Panel Lock / Child Lock Activated | View Details |
| OH |
Display shows OH or OHH, spa shuts down and may run pumps briefly to cool, water feels very hot.
|
Overheat Condition Detected | View Details |
| OHH |
Display shows OHH and spa shuts down completely, sometimes accompanied by a clicking sound from the control box.
|
High Limit Overheat Trip | View Details |
| OHt |
Display shows OHt or HOT, spa shuts down heater and may run pumps to cool.
|
Overheat at Heater Tube | View Details |
| PF |
Display shows PF or PFAIL, spa is unresponsive after a power outage or surge.
|
Power Failure / Low Line Voltage Detected | View Details |
| Prr |
Display shows PRR or Prr, spa may not heat and pumps may behave erratically.
|
Pressure Switch Reading Error | View Details |
| PSc |
Display shows PSC or PSc, spa may not start a heating cycle.
|
Pressure Switch Closed When It Should Be Open | View Details |
| PSo |
Display shows PSO or PSo, heater will not engage.
|
Pressure Switch Open When It Should Be Closed | View Details |
| SE |
Display shows SE or SENSOR, spa may shut down heating and pumps may continue to run.
|
General Sensor Error | View Details |
| Sn1 |
Display shows Sn1 or SN1, spa may not heat or may shut down intermittently.
|
Temperature Sensor Fault (Spa Temp Sensor) | View Details |
| Sn2 |
Display shows Sn2 or SN2, spa may shut down heating and display incorrect water temperature.
|
High Limit Sensor Fault | View Details |
| — — |
Display shows dashes (– –) or blank temperature reading, spa does not heat.
|
No Temperature Reading / Sensor Disconnected | View Details |
| – |
Air bubbles constantly come from some jets even when air controls are closed.
|
Air Induction Valve or Check Valve Fault | View Details |
| – |
Circulation pump is not running, water at heater return is still, and spa may show FLO/FL or not heat.
|
Circulation Pump Failure | View Details |
| – |
Jets are weak or some seats have very little water pressure even with pump on high speed.
|
Reduced Jet Flow / Hydraulic Restriction | View Details |
| – |
LED lights in the spa do not turn on, or some colors/functions are missing.
|
Spa Lighting System Failure | View Details |
| – |
Main jet pump hums but does not start, or starts slowly and then trips the breaker.
|
Jet Pump Motor Seized or Capacitor Failure | View Details |
| – |
Ozone generator indicator is off and there is no ozone smell when the circulation pump runs.
|
Ozone Generator Failure | View Details |
| – |
Some buttons on the topside control work, but others do not respond or activate the wrong function.
|
Keypad Membrane or Topside Logic Fault | View Details |
| – |
Spa cover is excessively heavy and waterlogged, difficult to remove and replace.
|
Waterlogged Spa Cover | View Details |
| – |
Spa does not heat, temperature stays well below set point, but pumps and jets work normally.
|
No Heat Condition | View Details |
| – |
Spa is leaking water inside the equipment bay, water collecting under pumps or heater.
|
Internal Plumbing or Component Leak | View Details |
| – |
Spa makes a high‑pitched whining or grinding noise from the pump area.
|
Worn Pump Bearings or Cavitation | View Details |
| – |
Spa makes loud banging or knocking noises when the pump runs, especially on high speed.
|
Hydraulic Hammer / Air in Lines or Loose Components | View Details |
| – |
Spa trips the GFCI breaker immediately or within a few seconds of turning it on.
|
Ground Fault / Short Circuit | View Details |
| – |
Spa water has a persistent musty or moldy odor despite chemical treatment.
|
Biofilm and Contaminant Buildup in Plumbing | View Details |
| – |
Spa water has a strong burning or electrical smell near the equipment bay.
|
Overheating Electrical Component | View Details |
| – |
Spa water is cloudy and does not clear even with filtration running.
|
Poor Water Clarity / Filtration Inefficiency | View Details |
| – |
Spa water is foamy, with bubbles that persist on the surface even when jets are off.
|
Excess Surfactants / Contaminants in Water | View Details |
| – |
Spa will not power on at all, no lights on topside control, no pump activity.
|
No Power to Spa System | View Details |
| – |
Topside control panel is completely blank but pumps may still run on a schedule, or nothing responds.
|
Topside Control Failure or Communication Loss | View Details |
| – |
Water is leaking from around a specific jet in the spa shell, often visible on the outside foam or cabinet.
|
Jet Body or Gasket Leak | View Details |
| – |
Water is leaking slowly from the drain fitting or hose at the base of the spa.
|
Drain Valve or Hose Leak | View Details |
No matching codes found
Advertisements