| * * * (3 flashing dots under temp display) | Flow/Pressure switch either Open or Closed Circuit
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| * * * (as above, plus illuminated red LED on PCB) | High Limit Fault
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| - - - - , - - - | 'Watchdog' - 48C reached, electronic fault, shuts system down. Major Fault
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| - - | Temperature unknown - displayed at power up for 2 minutes - not a fault
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| - 01 | Hi-Limit fault
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| - 02 | Temp sensor fault
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| - 03 | Flow/pressure switch open
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| - 04 | Flow/Pressure switch closed
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| - 07 | Hi-limit fault
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| --- | "Watchdog" (spa is deactivated) A problem has been detected (most likely a bad temp or hi-limit sensor/probe)
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| --- | "Watchdog". Water temp has reached 118ºF. Entire system is disabled. Contact qualified service technician
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| --- | Unknown water temperature. (Displays when first powered up after refill)
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| 01 | Stuck Button
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| 02 | No Controller Data
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| 03 | Temperature Sensor
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| 04 | Water Sensor
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| 05 | Spa Over Temperature
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| 06 | Heater Thermal Cut Out
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| 07 | Stuck Heater Relay
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| 09 | Water Prime Failed
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| 131 | Hi-limit
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| BJ2P | Hi-Limit - water temp too high
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| BJ2P | Pump/Blower purge - normal condition
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| C | Celsius
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| C4.4 | Hi- Limit
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| CE 01 | Stuck Touchpad button
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| CE 02 | No controller Data Communication
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| CE 03 | Temperature sensor fault
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| CE 04 | Water Sensor/Pressure switch fault
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| CE 05 | Over Temperature Condition
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| CE 06 | High Limit manual reset Klixon tripped
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| CE 07 | Stuck Relay
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| CE 08 | Temp Sensor Fault -( Spaquip Digital 2000 MK1 sensor)
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| CE 09 | Water Prime Fault - Lack of water
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| CL | Current Time of Day
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| COL | Cool condition. If water temp drops 20ºF below set tempe, low speed pump and heater activates to bring temp within 15º of set temp
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| COOL | Spa water is more than 20° F cooler than the temperature set point
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| Cd, CLd | Freeze Condition
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| CoLd | Temp in heater housing is below 40° F. Low speed / circ pump will operate continuously until the temp rises above 45° F.
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| Cool | Water temp 20 degrees below set point
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| Cool, COOL, COL | Water is 11C below set point - not a fault
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| DR, dr, dy | Heater dry - insufficient water fault
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| E### | pH probe out of calibration
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| E0 | Short circuit temperature sensor
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| E1 | Open circuit temperature sensor
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| E2 | short circuit/closed high limit sensor
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| E3 | Open circuit high limit sensor
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| E4 | Short circuit/closed pressure/flow switch
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| E7 | Improper electrical connection
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| ECdu | Economy Mode Duration
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| EO | Shorted temp sensor
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| Ecn | Spa operating in Economy Mode.
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| Econ | Economy Mode Turn On
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| Er0, Er1 | Temperature sensor faulty
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| Er2, Er3 | Hi-Limit fault
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| Er4 | Flow/Pressure switch short circuit
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| Err | Software Program Fault
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| Error 3 | Stuck touchpad button
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| Error 4 | Water sensor fault
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| Error 5 | Over temperature
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| Error 6 | Klixon Tripped - over temp
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| Error 7 | Stuck Relay
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| Error 8 | Temperature sensor fault
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| F | Fahrenheit
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| F2 | 4 hours daily filtration
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| F4 | 8 hours daily filtration
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| F6 | 12 hours daily filtration
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| FC | continuous filtration
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| FL | Pressure switch or flow switch failure
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| FL1 | Water flow problem, pressure switch malfunction. Check for low water level and ensure pump is primed. Check for clogged filter
|
| FL2 | Pressure switch problem. Switch closed while pump is deactivated
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| FLC | Pressure Switch Alarm
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| FLC, FL2 | Flow/pressure switch closed circuit - debris in switch, perforated diaphragm, faulty
|
| FLO (flashing) | Flow switch open circuit - Sundance/Spa Builders/ Balboa
|
| FLO | Pressure switch or Flow Switch malfunction (heater and/or pump may be deactivated)
|
| FLO, Flo, FL1 | Flow/pressure switch open circuit - lack of flow or pressure or for Sundance/Spa Builders/Balboa - Flow switch is closed circuit
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| FLO2 | Closed or shorted flow switch on system startup
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| FP | Freeze protect-temp under acceptable condition
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| Fldu | Filter Cycle Duration
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| Flo | Improper flow or pressure switch malfunction
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| Flon | Filter Cycle Turn On
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| Fr | Freeze condition - temp below 40 degrees
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| FrE, Fr, FP | Freeze condition detected
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| FrEE | Freeze Protection Alarm
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| H2O | Water Prime Fault - lack of water
|
| HFL | Substantial difference between temperature sensors detected. Could indicate a flow problem
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| HL | High Temperature Alarm
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| HL | Temp above 118 degrees
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| HL, HFL, HH, OHH | High limit sensor reading 45-48C, or above - check flow
|
| HLoH | Hi Limit Over Heat. Hi limit sensor is disconnected, shorted, or spa temp is above 112° F.
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| HOT | Circuit Board temperature has exceeded acceptable limit (air blower may be on)
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| HiLi, HLEr | Water temperature above acceptable range
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| Hold | Panel buttons pressed too many times too quickly
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| I CE2 | Freeze protection. No action is necessary
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| ICE | Freeze condition. 55ºF detected. Low speed pump and heater will activate until spa reaches 65ºF
|
| IC | Freeze Condition
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| ILOC | Interlock failure - possible pump or ozone spike - posibly caused by faulty ozonators, pumps and equipment
|
| L1 | Panel Lock
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| L2 | Panel Lock
|
| LF | Low Flow Fault
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| LF | Persistent low flow problems. (Displays on the 5th occurrence of "HFL" message with 24 hours). Heater is shut down, but other spa functions run normally.
|
| LO | Freeze Condition
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| LOC | Control Panel functions Locked
|
| LS=0, LS=S | Multiple causes - open circuit sensor, faulty panel connection, improper voltage, etc
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| Loc | Panel / Keypad Locked
|
| 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
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| OH, OHS, oH | Overheat Condition 43-45C
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| OHH | Overheat. Spa has shut down. One sensor has detected 118º
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| OHS | Overheat. Spa has shut down. One sensor has detected 110º
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| OP | Open circuit sensor
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| PLUG | Sundance/Spa Builders Service Technician's Test Plug accidentally left connected to PCB
|
| PS | Flow or pressure switch failure
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| PSoC | Pressure switch open with circulation pump.
|
| PSoH | Pressure switch open with high pump.
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| PSoL | Pressure switch open with low pump.
|
| PnL | Communication between the panel and circuit board is faulty
|
| Pr | System Priming - When spa is first actuated, it will go into Priming Mode
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| PrH | Temperature Sensors Alarm
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| Prh | Hi-limit sensor failure
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| Prr | Temperature sensors alarm
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| SA, SnA, SnH, Sb, Snb, Snt | Sensor Open Circuit or faulty
|
| SnH | Hi Limit circuit open or faulty
|
| SnT | Temp sensor circuit open or faulty
|
| SE | Spa operating in Standard-in-Economy Mode.
|
| SESH | Sensor Short Circuit
|
| SESH | Sensor short, nonfunctional. Heater disabled but spa operational.
|
| SEoP | Sensor Open Circuit
|
| SEoP | Sensor open or disconnected. Heater disabled but spa operational.
|
| SH | Short circuit sensor
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| SN | Non functional high temperature sensor. Heater is deactivated
|
| SN | Sensor failure
|
| SN1 | Hi-limit sensor failure
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| SN2 | Temp sensor failure
|
| SS=0;SS=S; | Multiple causes; open sensors, bad connection to panel, improper voltage, etc.
|
| Sn | Sensors out of balance
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| Sn1 | Hi-limit sensor malfunction
|
| Sn2 | Nonfunctional temperature sensor. Heater deactivated
|
| Sn2 | Temperature sensor fault
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| Sn3 | Temp sensor failure
|
| SnS | Sensors out of balance. If alternating with temp, may be temporary condition. If display shows only this message (blinking) spa is shut down
|
| Sna | Spa is shut down. Sensor plugged into jack A is not working
|
| Snb | Spa is shut down. Sensor plugged into jack B is not working
|
| Std | Spa operating in Standard Mode.
|
| ToE | Time out error. Rare system error. Spa unusable.
|
| Tu | Temperature Set Celsius
|
| Tu | Temperature Set Fahrenheit
|
| dr | Inadequate water detected in heater.
|
| dry | Inadequate water detected in heater. (Displays on third occurrence of "dr" message). Spa is shut down.
|
| err 1 (H20) | Prime Failed
|
| err 3 | Stuck Button
|
| err 4 | No Water Sensor
|
| err 5 | Overtemperature
|
| err 6 | Thermal Cut Out Tripped
|
| err 7 | Stuck Relay
|
| err 8 | No Temperature Data
|
| hot | Overheating, water over 112° F. System will restart when temp. drops
|
| pd | Power supply interrupted, unit running on battery backup
|
| th2/current temperature | On startup indicates temperature probe problem
|
| th3/39 | On startup indicates water temperature less than 39° F
|
