Shipping in Canada

Hot Tub Error Codes - Electronic Spa Packs (Control Systems)

Hot Tub Error Codes - Spa Topside Error Messages

1)  Hot Tub Error Codes (Alphabetical) 

2)  Flashing Light Error Codes for Spas

Hot Tub and Electrical Wiring Error Codes

1)  Hot Tub Error Codes (Alphabetical)

 * * * (3 flashing dots under temp display)

 Flow/Pressure switch either Open or Closed Circuit

 * * * (as above, & red LED lit up on board)

 High Limit Fault
 - - - , - - -   ‘Watchdog’ - 48C reached, electronic fault, shuts system down. Major fault
 - 01  Hi-Limit fault
 - 02  Temp sensor fault
 - 03  Flow/pressure switch open
 - 04  Flow/Pressure switch closed
 - 07  Hi-limit fault

 “Watchdog” (spa is deactivated), likely a bad temp or hi-limit sensor or water temp has reached 118ºF

 ---  Unknown water temperature. (Displays when first powered up after refill)
 01  Stuck Button
 02  No Controller Data
 03  Temperature Sensor
 04  Water Sensor
 05  Spa Over Temperature
 06  Heater Thermal Cut Out
 07  Stuck Heater Relay
 09  Water Prime Failed
 131  Hi-limit
 A1/A2-ER  Aux. system error
 AOH  Temp in Equipment compartment to high
 BJ2P  Hi-Limit - water temp too high
 BJ2P   Pump/Blower purge - normal condition
 BL-ER   Blower failure
 C4.4   Hi- Limit
 C  Celsius
 Cd, CLd  Freeze Condition
 CE 01  Stuck Touchpad button
 CE 02  No controller Data Communication
 CE 03  Temperature sensor fault
 CE 04  Water Sensor/Pressure switch fault
 CE 05  Over Temperature Condition
 CE 06  High Limit manual reset Klixon tripped
 CE 07  Stuck Relay
 CE 08  Temp Sensor Fault -( Spaquip Digital 2000 MK1 sensor)
 CE 09  Water Prime Fault - Lack of water
 CL  Current Time of Day
 COL  Cool condition. Water temp 20ºF below set temp. Low speed pump & heater activate
 Cold  Temp in heater housing is below 40° F. Low speed /circ pump will run until the temp rises above 45° F.
 Cool, COOL, COL  Water is 11C below set point - not a fault
 COOL  Spa water is more than 20° F cooler than the temperature set point
 CP-ER  Circ pump failure
 DR, dr, dy?  Inadequate water detected in heater.
 dr  Inadequate flow in heater.
 dry  Inadequate flow in heater. (Displays on third occurrence of “dr” message)
 E###   pH probe out of calibration
 E0   Short circuit temperature sensor
 E1  Open circuit temperature sensor or open temp sensor
 E2  Short circuit/closed high limit sensor or shorted hi-limit sensor
 E3  Open circuit high limit sensor or open hi-limit sensor
 E4  Short circuit/closed pressure/flow switch or shorted flow switch
 E7  Improper electrical connection
 ECdu  Economy Mode Duration
 Ecn   Spa operating in Economy Mode
 Econ  Economy Mode Turn On
 EO   Shorted temp sensor
 Er0, Er1  Temperature sensor faulty
 Er2, Er3  Hi-Limit fault
 Er4   Flow/Pressure switch short circuit
 err 1   (H20) Prime Failed
 err 3  Stuck Button
 err 4  No Water Sensor
 err 5  Over temp
 err 6   Thermal Cut Out Tripped
 err 7  Stuck Relay
 err 8  No Temp Data
 Err   Software Program Fault
 Error 3  Stuck touchpad button
 Error 4  Water sensor fault
 Error 5  Over temperature
 Error 6  Klixon Tripped - over temp
 Error 7   Stuck Relay
 Error 8  Temperature sensor fault
 F2  4 hours daily filtration
 F4   8 hours daily filtration
 F6   12 hours daily filtration
 FB-ER  Fiber optic failure
 FC   continuous filtration
 FL1   Flow problem/pressure switch malfunction. Check for low water or clogged filter. Ensure pump is primed.
 FL2   Pressure switch problem. Switch closed while pump is deactivated
 FL   Flow/pressure switch stuck in closed position or pressure switch or flow switch failure
 FLC, FL2  Flow/pressure switch closed circuit - debris in switch, perforated diaphragm.
 FLC   Pressure switch failure, switch closed
 Fldu   Filter Cycle Duration
 FLO*  Flow Switch (heater is deactivated. Pump may also be deactivated)
 FLO, Flo, FL1  Pressure switch open - lack of pressure OR for Sundance/Spa Builders/Balboa, pressure switch closed
 FLO2   Closed or shorted flow switch on system startup
 FLO (flashing)  Flow switch open circuit - Sundance/Spa Builders/ Balboa
 FLO   Pressure switch or Flow Switch malfunction (heater and/or pump may be deactivated)
 Flon  Filter Cycle Turn On
 FN-ER  Fan failure
 FP   Freeze protect mode - temp under acceptable condition
 Fr   Freeze condition - temp below 40 degrees
 FrE  Fr, FP Freeze condition detected
 FrE   Possible freeze condition
 FrEE   Freeze Protection Alarm
 H2O   Water Prime Fault - lack of water
 HFL  Substantial difference between temperature sensors detected. Could indicate a flow problem
 HiLi, HLEr   Water temperature above acceptable range
 HL, HFL, HH, OHH  High limit sensor reading 45-48C, or above - check flow
 HL  Temp above 118 degrees. High limit switch tripped
 HLoH  Hi Limit Over Heat. Hi limit sensor is disconnected, shorted, or spa temp is above 112° F
 Hold   Panel buttons pressed to many times/quickly
 HOT   Circuit Board temperature has exceeded acceptable limit. System will restart when temp. drops
 I CE2  Freeze protection. No action is necessary
 IC   Freeze Condition
 ICE   Freeze condition. 55ºF detected. Low speed pump and heater will activate until spa reaches 65ºF
 ILOC   Interlock failure - possible pump/ozone spike - possibly caused by faulty ozonators, pumps and equipment
 L1   Panel Lock
 L2   Panel Lock
 LF  Persistent low flow. (Displays on 5th occurrence of “HFL” message with 24 hours). Heater is shut down
 LO   Freeze Condition
 LOC   Control Panel functions Locked
 Loc   Panel / Keypad Locked
 LS=0, LS=S  Multiple causes - open circuit sensor, faulty panel connection, improper voltage, etc
 O3-Er  Ozone error
 OH   High temperature condition, has reached 110ºF. Spa may be partially deactivated or low speed pump (and air blower if equipped) may activate to lower temp
 OHH   Overheat. One sensor has detected 118º. Spa has shut down
 OHS  Overheat. One sensor has detected 110º. Spa has shut down
 OP   Open circuit sensor
 P1, P2 or P3-ER  Pump 1, 2 or 3 failure
 pd   Power supply interrupted, unit running on battery backup
 PLUG   Sundance/Spa Builders Service Technician’s Test Plug accidentally left connected to PCB
 PnL   Communication error between the panel and circuit board
 Pr   System Priming - When spa is first actuated, it will go into Priming Mode
 Prh   Hi-limit sensor failure
 Prr   Temperature Sensors Alarm
 PS   Flow or pressure switch failure
 PSoC   Pressure switch open with circulation pump
 PSoH   Pressure switch open with high pump
 PSoL   Pressure switch open with low pump
 Rly   Stuck Relay on In.XE
 RH-HR  Heater Hardware error
 RH-NC  Comm error to Pack
 RH-NF  No flow in heater
 RH-NH  Heat attempted & failed
 SA, SnA, SnH, Sb, Snb, Snt   Sensor Open Circuit or faulty
 SC-ER   System learning failure
 SE  Spa operating in Standard-in-Economy Mode
 SEoP  Sensor open or disconnected. Heater disabled but spa operational
 SESH  Sensor short, nonfunctional. Heater disabled but spa operational
 SH   Short circuit sensor
 Sn1   Hi-limit sensor malfunction
 Sn2   Nonfunctional temperature sensor. Heater deactivated
 Sn3   Temp sensor malfunction
 SN   Non functional high temperature sensor. Heater is deactivated
 Sn  Sensors out of balance
 Sna   Sensor plugged into jack A is not working. Spa is shut down
 Snb   Sensor plugged into jack B is not working. Spa is shut down
 SnH   Hi Limit circuit open or faulty
 SnS   Sensors out of balance. If display shows only this message (blinking) spa is shut down
 SnT   Temp sensor circuit open or faulty
 SP-BR  breaker setting to low
 SP-F1,F2 or F3  Fuse 1, 2 or blown
 SP-HR  hardware error
 SP-IN  Input voltage low
 SP-OH  Water temp over 112F
 SP-OT  Temp inside skirt high
 SS=0;SS=S;LS=O;LS=S  Multiple causes; open sensors, bad connection to panel, improper voltage, etc.
 Std   Spa operating in Standard Mode
 th2/current  On startup indicates temperature probe problem
 th3/39  On startup indicates water temperature less than 39° F
 thl/39  temp probe problem
 ToE  Time out error. Rare system error. Spa unusable.
 Tu   Temperature Set Celsius or Fahrenheit


2)  Flashing Light Error Codes

 1 flash - 3 second gap  High Limit fault
 2 flashes - 3 second gap  Pressure/Flow switch short circuit
 3 flashes - 3 second gap   Pressure/Flow switch open circuit
 4 flashes - 3 second gap  Open circuit Sensor(s)
 Flash - 1 second on, 1 second off  Same as OH
 Flash - briefly OFF once per second   Same as Sn1 or Sn3
 Flash - briefly ON once per second  Same as FLC
 Blinking Power Indicator Light - Hydromate   High Limit tripped or, sensor fault
 1 flash per second - onga 4352  
 53, 95, etc   Pressure switch open circuit - could also be motor, or motor thermal overload
 3 flashes per second - onga 4352  
 53, 95, etc  Electronic fault - sensor (most common cause) or PCB
 Green flashes - Spaquip Pulsar/2095 series  Water sensor fault - lack of water
 Red/Green alternate flashes  Temperature sensor fault, open circuit, or high limit tripped - push Reset Rod