Saratoga Spas
Saratoga Spas Hot Tubs & Spas Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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CF
Display shows CF or CLn, reminder to clean or change filter; spa otherwise operates normally.
Filter Maintenance Reminder
COL
Display shows COL or COOL, heater does not run, pumps may circulate water only.
Cool Water Protection / Low Temperature Condition
dr
Display shows dr or DR, heater is disabled, spa may run pumps briefly then stop.
Dry Fire Protection / Inadequate Water in Heater
dy
Display shows dy or DRY, spa shuts down heater quickly after attempting to heat.
Dry Heater Detected / No Water in Heater Tube
EC
Display shows EC or ECON, spa heats only during filter cycles and may not maintain set temperature.
Economy Mode Active
FL
Display shows FL, spa may not heat, circulation pump may run continuously or cycle.
Flow Switch Open / Insufficient Circulation
FLO
Control panel displays FLO or FL, jets may run briefly then shut off, heater does not come on, possible blinking heat indicator.
Low Water Flow / Flow Switch Open
HL
Display shows HL or HLo, spa may shut down heater but pumps still operate.
High-Limit Sensor Trip (Non-Latching)
Htr
Display shows HTR or HEAT FAIL, water does not reach set temperature.
Heater Failure / No Heat Output
ICE
Display shows ICE or FR, pumps run periodically even when spa is not in use.
Freeze Protection Mode
LOC
Display shows LOC or PANEL LOCK, buttons do not respond or only limited functions work.
Control Panel Lock / Child Lock Enabled
OH
Display shows OH or OHH, spa shuts down, pumps may run briefly then stop, water feels excessively hot.
Overheat Condition / High-Limit Trip
OHH
Display shows OHH, spa shuts down completely, no heat, pumps may not respond until power is cycled.
Critical Overheat / High-Limit Lockout
P1
Display shows P1 ERROR or P1 FAIL, primary jet pump does not start or trips breaker.
Pump 1 Failure / Overcurrent
P2
Display shows P2 ERROR or P2 FAIL, secondary jet pump does not run or hums then shuts off.
Pump 2 Failure / Overload
SLP
Display shows SLP or SLEEP, spa temperature drops between cycles, heat only during programmed times.
Sleep Mode Active
Sn1
Display shows Sn1, SN1, or SENSOR 1, spa may not heat or may shut down heater.
Water Temperature Sensor Fault
Sn2
Display shows Sn2, SN2, or SENSOR 2, spa may shut down heater or display incorrect temperature.
High-Limit Sensor Fault
SNS
Display shows SNS or SENSOR, spa may not heat and may cycle pumps.
General Sensor Error (Temperature/High-Limit Mismatch)
— —
Display is blank or shows only dashes, spa does not respond to button presses.
Control Panel Communication Loss
Symptom
Air controls (venturi knobs) do not introduce air; jets feel flat with no bubbles even when air valves are open.
Air Induction Failure
Symptom
Filter cycles do not run at the programmed times, or spa seems to skip filtration.
Filtration Cycle Programming Issue
Symptom
Jets are weak or some seats have very little water pressure even when pump is on high speed.
Low Jet Pressure / Restricted Flow
Symptom
Loud grinding, squealing, or rattling noise from pump area when jets are on.
Pump Bearing or Cavitation Noise
Symptom
One or more jets do not flow at all while others work normally.
Individual Jet Blockage or Shut-Off
Symptom
Ozone generator not bubbling or no ozone smell, water quality declines faster than usual.
Ozone System Failure
Symptom
Spa cabinet or shell vibrates excessively when pumps are on high speed.
Excessive Vibration / Pump Misalignment
Symptom
Spa does not heat, temperature stays well below set point, but pumps and jets work normally and no heater error code is displayed.
No Heat Without Error Code
Symptom
Spa is leaking water into the equipment bay or from under the cabinet.
Plumbing Leak / Component Seal Failure
Symptom
Spa lights do not work, but all other functions are normal.
Lighting Circuit Failure
Symptom
Spa trips GFCI breaker immediately or within a few seconds of turning on.
Ground Fault / Electrical Leakage
Symptom
Spa water foams excessively when jets are on.
Foaming Water / Surfactant Buildup
Symptom
Spa water has a strong musty or rotten egg odor.
Contaminated Water / Biofilm Growth
Symptom
Spa water is not circulating during filtration cycles, but jets work when manually activated.
Circulation Pump Not Running
Symptom
Spa will not power on at all, no lights on control panel, no pump activity.
No Power / Dead Spa
Symptom
Strong chemical or burning plastic smell from equipment bay, components appear discolored.
Overheating Electrical Component
Symptom
Topside control buttons are unresponsive or only some buttons work intermittently.
Keypad / Topside Control Failure
Symptom
Water continuously dribbles from one or more jets even when pumps are off.
Backflow / Check Valve or Diverter Leak
Symptom
Water temperature fluctuates widely, sometimes too hot, sometimes too cool, without changing settings.
Erratic Temperature Control
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| CF |
Display shows CF or CLn, reminder to clean or change filter; spa otherwise operates normally.
|
Filter Maintenance Reminder | View Details |
| COL |
Display shows COL or COOL, heater does not run, pumps may circulate water only.
|
Cool Water Protection / Low Temperature Condition | View Details |
| dr |
Display shows dr or DR, heater is disabled, spa may run pumps briefly then stop.
|
Dry Fire Protection / Inadequate Water in Heater | View Details |
| dy |
Display shows dy or DRY, spa shuts down heater quickly after attempting to heat.
|
Dry Heater Detected / No Water in Heater Tube | View Details |
| EC |
Display shows EC or ECON, spa heats only during filter cycles and may not maintain set temperature.
|
Economy Mode Active | View Details |
| FL |
Display shows FL, spa may not heat, circulation pump may run continuously or cycle.
|
Flow Switch Open / Insufficient Circulation | View Details |
| FLO |
Control panel displays FLO or FL, jets may run briefly then shut off, heater does not come on, possible blinking heat indicator.
|
Low Water Flow / Flow Switch Open | View Details |
| HL |
Display shows HL or HLo, spa may shut down heater but pumps still operate.
|
High-Limit Sensor Trip (Non-Latching) | View Details |
| Htr |
Display shows HTR or HEAT FAIL, water does not reach set temperature.
|
Heater Failure / No Heat Output | View Details |
| ICE |
Display shows ICE or FR, pumps run periodically even when spa is not in use.
|
Freeze Protection Mode | View Details |
| LOC |
Display shows LOC or PANEL LOCK, buttons do not respond or only limited functions work.
|
Control Panel Lock / Child Lock Enabled | View Details |
| OH |
Display shows OH or OHH, spa shuts down, pumps may run briefly then stop, water feels excessively hot.
|
Overheat Condition / High-Limit Trip | View Details |
| OHH |
Display shows OHH, spa shuts down completely, no heat, pumps may not respond until power is cycled.
|
Critical Overheat / High-Limit Lockout | View Details |
| P1 |
Display shows P1 ERROR or P1 FAIL, primary jet pump does not start or trips breaker.
|
Pump 1 Failure / Overcurrent | View Details |
| P2 |
Display shows P2 ERROR or P2 FAIL, secondary jet pump does not run or hums then shuts off.
|
Pump 2 Failure / Overload | View Details |
| SLP |
Display shows SLP or SLEEP, spa temperature drops between cycles, heat only during programmed times.
|
Sleep Mode Active | View Details |
| Sn1 |
Display shows Sn1, SN1, or SENSOR 1, spa may not heat or may shut down heater.
|
Water Temperature Sensor Fault | View Details |
| Sn2 |
Display shows Sn2, SN2, or SENSOR 2, spa may shut down heater or display incorrect temperature.
|
High-Limit Sensor Fault | View Details |
| SNS |
Display shows SNS or SENSOR, spa may not heat and may cycle pumps.
|
General Sensor Error (Temperature/High-Limit Mismatch) | View Details |
| — — |
Display is blank or shows only dashes, spa does not respond to button presses.
|
Control Panel Communication Loss | View Details |
| – |
Air controls (venturi knobs) do not introduce air; jets feel flat with no bubbles even when air valves are open.
|
Air Induction Failure | View Details |
| – |
Filter cycles do not run at the programmed times, or spa seems to skip filtration.
|
Filtration Cycle Programming Issue | View Details |
| – |
Jets are weak or some seats have very little water pressure even when pump is on high speed.
|
Low Jet Pressure / Restricted Flow | View Details |
| – |
Loud grinding, squealing, or rattling noise from pump area when jets are on.
|
Pump Bearing or Cavitation Noise | View Details |
| – |
One or more jets do not flow at all while others work normally.
|
Individual Jet Blockage or Shut-Off | View Details |
| – |
Ozone generator not bubbling or no ozone smell, water quality declines faster than usual.
|
Ozone System Failure | View Details |
| – |
Spa cabinet or shell vibrates excessively when pumps are on high speed.
|
Excessive Vibration / Pump Misalignment | View Details |
| – |
Spa does not heat, temperature stays well below set point, but pumps and jets work normally and no heater error code is displayed.
|
No Heat Without Error Code | View Details |
| – |
Spa is leaking water into the equipment bay or from under the cabinet.
|
Plumbing Leak / Component Seal Failure | View Details |
| – |
Spa lights do not work, but all other functions are normal.
|
Lighting Circuit Failure | View Details |
| – |
Spa trips GFCI breaker immediately or within a few seconds of turning on.
|
Ground Fault / Electrical Leakage | View Details |
| – |
Spa water foams excessively when jets are on.
|
Foaming Water / Surfactant Buildup | View Details |
| – |
Spa water has a strong musty or rotten egg odor.
|
Contaminated Water / Biofilm Growth | View Details |
| – |
Spa water is not circulating during filtration cycles, but jets work when manually activated.
|
Circulation Pump Not Running | View Details |
| – |
Spa will not power on at all, no lights on control panel, no pump activity.
|
No Power / Dead Spa | View Details |
| – |
Strong chemical or burning plastic smell from equipment bay, components appear discolored.
|
Overheating Electrical Component | View Details |
| – |
Topside control buttons are unresponsive or only some buttons work intermittently.
|
Keypad / Topside Control Failure | View Details |
| – |
Water continuously dribbles from one or more jets even when pumps are off.
|
Backflow / Check Valve or Diverter Leak | View Details |
| – |
Water temperature fluctuates widely, sometimes too hot, sometimes too cool, without changing settings.
|
Erratic Temperature Control | View Details |
No matching codes found
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