SaluSpa
SaluSpa 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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E01
Control panel displays E01 and the pump/heater unit will not run; no bubbles or filtration start.
Control Panel Communication Failure
E02
E02 error appears and the heater will not start or shuts off shortly after starting.
Water Flow / Circulation Fault
E03
E03 error code appears and the heater shuts off; water temperature reading seems incorrect or unstable.
Water Temperature Sensor Fault
E04
E04 error code appears and the heater will not operate; spa may shut down shortly after starting.
Overheat / High Temperature Protection Trip
E05
E05 error code appears; heater and pump functions are disabled.
Dry Heating / Low Water Level Protection
E06
E06 error code appears; spa stops heating and may shut down other functions.
Pump Motor Overload / Overcurrent Protection
E07
E07 error code appears; bubble (air blower) function will not start or stops shortly after starting.
Air Blower Overheat / Overload Protection
E08
E08 error code appears; spa functions may be locked out and display may flicker or go blank intermittently.
Low Voltage / Power Supply Fault
E09
E09 error code appears; GFCI on the power cord may trip frequently when heater or bubbles are activated.
Ground Fault / Leakage Current Detection
E10
E10 error code appears; spa may not heat and temperature reading may be frozen or show dashes.
Ambient / Freeze Sensor Fault
E11
E11 error code appears; spa may not respond to button presses or may behave erratically.
Keypad / Button Matrix Fault
E12
E12 error code appears; spa may shut down or lock out heating and bubble functions.
Internal Communication / PCB Synchronization Error
E13
E13 error code appears; spa may not heat and may show inconsistent temperature readings.
Dual Temperature Sensor Mismatch
E14
E14 error code appears; spa may not start heating cycle and may shut down shortly after power-up.
Heater Relay / Triac Failure
E15
E15 error code appears; spa may not allow heating or bubble operation in very low temperatures.
Freeze Protection Active
Symptom
Air leak specifically around the inflation valve; hissing sound at valve area.
Inflation Valve Seal Failure
Symptom
Condensation or moisture visible inside the control panel display window.
Control Panel Moisture Ingress
Symptom
Control panel lights up but buttons do not respond or respond intermittently.
Unresponsive Keypad
Symptom
Filter cartridge collapses or deforms frequently; flow is reduced soon after replacement.
Filter Overload / Incorrect Cartridge
Symptom
Loud humming noise from pump/heater unit; little or no water movement.
Seized or Obstructed Circulation Pump
Symptom
Rattling or grinding noise from pump/heater unit during filtration or heating.
Worn Pump Bearings or Loose Impeller
Symptom
Slow water leak from the bottom of the spa liner; damp area under spa even when hoses are dry.
Punctured or Separated Spa Liner
Symptom
Spa cover collects water, sags in the middle, and may allow heat loss.
Cover Sagging / Water Pooling
Symptom
Spa frequently shuts off or resets when other household appliances are used.
Circuit Overload / Voltage Drop
Symptom
Spa heats very slowly or cannot reach the set temperature, especially in cooler weather.
Reduced Heating Performance
Symptom
Spa is leaking water from around the pump/heater connection area.
Hose Connection / O-Ring Leak
Symptom
Spa liner develops bulges or uneven floor; users feel lumps underfoot.
Liner Support / Ground Settlement Issue
Symptom
Spa loses temperature quickly when bubbles are turned on; users feel water getting cold during bubble operation.
Perceived Heat Loss During Air Blower Operation
Symptom
Spa trips breaker or GFCI when bubbles (air blower) are turned on, but filtration and heating work.
Air Blower Electrical Short
Symptom
Spa trips the household breaker or GFCI immediately when heater is turned on, but runs in filtration-only mode.
Heater Element Short to Ground
Symptom
Spa walls feel soft, sagging, or lose firmness over time; spa appears partially deflated.
Air Leak in Inflatable Liner
Symptom
Spa will not heat; water stays cold even though heater indicator shows ON and filtration is running.
Heater Element Failure
Symptom
Spa will not start; no lights on control panel and no response when pressing power button.
No Power / Dead Unit
Symptom
Strong chemical or musty odor from spa water.
Water Chemistry Imbalance / Biofilm
Symptom
Very loud roaring or high-pitched noise when bubbles are turned on.
Air Blower Bearing Wear or Obstruction
Symptom
Water appears cloudy or milky despite filtration running regularly.
Poor Water Clarity / Contamination
Symptom
Water feels slimy or foamy; visible foam on surface when bubbles are on.
Foaming / Organic Contamination
Symptom
Water flow from return jet is weak even with a clean filter; heating is slow or triggers flow-related errors intermittently.
Partial Flow Restriction
Symptom
Water leaking from the drain valve area at the bottom of the spa.
Drain Valve Seal Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Control panel displays E01 and the pump/heater unit will not run; no bubbles or filtration start.
|
Control Panel Communication Failure | View Details |
| E02 |
E02 error appears and the heater will not start or shuts off shortly after starting.
|
Water Flow / Circulation Fault | View Details |
| E03 |
E03 error code appears and the heater shuts off; water temperature reading seems incorrect or unstable.
|
Water Temperature Sensor Fault | View Details |
| E04 |
E04 error code appears and the heater will not operate; spa may shut down shortly after starting.
|
Overheat / High Temperature Protection Trip | View Details |
| E05 |
E05 error code appears; heater and pump functions are disabled.
|
Dry Heating / Low Water Level Protection | View Details |
| E06 |
E06 error code appears; spa stops heating and may shut down other functions.
|
Pump Motor Overload / Overcurrent Protection | View Details |
| E07 |
E07 error code appears; bubble (air blower) function will not start or stops shortly after starting.
|
Air Blower Overheat / Overload Protection | View Details |
| E08 |
E08 error code appears; spa functions may be locked out and display may flicker or go blank intermittently.
|
Low Voltage / Power Supply Fault | View Details |
| E09 |
E09 error code appears; GFCI on the power cord may trip frequently when heater or bubbles are activated.
|
Ground Fault / Leakage Current Detection | View Details |
| E10 |
E10 error code appears; spa may not heat and temperature reading may be frozen or show dashes.
|
Ambient / Freeze Sensor Fault | View Details |
| E11 |
E11 error code appears; spa may not respond to button presses or may behave erratically.
|
Keypad / Button Matrix Fault | View Details |
| E12 |
E12 error code appears; spa may shut down or lock out heating and bubble functions.
|
Internal Communication / PCB Synchronization Error | View Details |
| E13 |
E13 error code appears; spa may not heat and may show inconsistent temperature readings.
|
Dual Temperature Sensor Mismatch | View Details |
| E14 |
E14 error code appears; spa may not start heating cycle and may shut down shortly after power-up.
|
Heater Relay / Triac Failure | View Details |
| E15 |
E15 error code appears; spa may not allow heating or bubble operation in very low temperatures.
|
Freeze Protection Active | View Details |
| – |
Air leak specifically around the inflation valve; hissing sound at valve area.
|
Inflation Valve Seal Failure | View Details |
| – |
Condensation or moisture visible inside the control panel display window.
|
Control Panel Moisture Ingress | View Details |
| – |
Control panel lights up but buttons do not respond or respond intermittently.
|
Unresponsive Keypad | View Details |
| – |
Filter cartridge collapses or deforms frequently; flow is reduced soon after replacement.
|
Filter Overload / Incorrect Cartridge | View Details |
| – |
Loud humming noise from pump/heater unit; little or no water movement.
|
Seized or Obstructed Circulation Pump | View Details |
| – |
Rattling or grinding noise from pump/heater unit during filtration or heating.
|
Worn Pump Bearings or Loose Impeller | View Details |
| – |
Slow water leak from the bottom of the spa liner; damp area under spa even when hoses are dry.
|
Punctured or Separated Spa Liner | View Details |
| – |
Spa cover collects water, sags in the middle, and may allow heat loss.
|
Cover Sagging / Water Pooling | View Details |
| – |
Spa frequently shuts off or resets when other household appliances are used.
|
Circuit Overload / Voltage Drop | View Details |
| – |
Spa heats very slowly or cannot reach the set temperature, especially in cooler weather.
|
Reduced Heating Performance | View Details |
| – |
Spa is leaking water from around the pump/heater connection area.
|
Hose Connection / O-Ring Leak | View Details |
| – |
Spa liner develops bulges or uneven floor; users feel lumps underfoot.
|
Liner Support / Ground Settlement Issue | View Details |
| – |
Spa loses temperature quickly when bubbles are turned on; users feel water getting cold during bubble operation.
|
Perceived Heat Loss During Air Blower Operation | View Details |
| – |
Spa trips breaker or GFCI when bubbles (air blower) are turned on, but filtration and heating work.
|
Air Blower Electrical Short | View Details |
| – |
Spa trips the household breaker or GFCI immediately when heater is turned on, but runs in filtration-only mode.
|
Heater Element Short to Ground | View Details |
| – |
Spa walls feel soft, sagging, or lose firmness over time; spa appears partially deflated.
|
Air Leak in Inflatable Liner | View Details |
| – |
Spa will not heat; water stays cold even though heater indicator shows ON and filtration is running.
|
Heater Element Failure | View Details |
| – |
Spa will not start; no lights on control panel and no response when pressing power button.
|
No Power / Dead Unit | View Details |
| – |
Strong chemical or musty odor from spa water.
|
Water Chemistry Imbalance / Biofilm | View Details |
| – |
Very loud roaring or high-pitched noise when bubbles are turned on.
|
Air Blower Bearing Wear or Obstruction | View Details |
| – |
Water appears cloudy or milky despite filtration running regularly.
|
Poor Water Clarity / Contamination | View Details |
| – |
Water feels slimy or foamy; visible foam on surface when bubbles are on.
|
Foaming / Organic Contamination | View Details |
| – |
Water flow from return jet is weak even with a clean filter; heating is slow or triggers flow-related errors intermittently.
|
Partial Flow Restriction | View Details |
| – |
Water leaking from the drain valve area at the bottom of the spa.
|
Drain Valve Seal Leak | View Details |
No matching codes found
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